Materiały źródłowe

• #1 Pseudofolliculitis of the Beard: Background, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/1071251-overview

  Two mechanisms are involved in the pathogenesis of pseudofolliculitis barbae: (1) extrafollicular penetration occurs when a curly hair reenters the skin, and (2) transfollicular penetration occurs when the sharp tip of a growing hair pierces the follicle wall. […] Black men who shave are predisposed to this condition because of their tightly curved hair. The sharp pointed hair from a recent shave briefly surfaces from the skin and reenters a short distance away. Several methods of close shaving result in a hair cut below the surface. These methods include pulling the skin taut while shaving, shaving against the grain, plucking hairs with tweezers, removing hairs with electrolysis, and using double- or triple-bladed razors. The close shave results in a sharp tip below the skin surface, which is then more likely to pierce the follicular wall, causing pseudofolliculitis barbae with transfollicular penetration. […] Improper shaving techniques and the desire for a clean-shaven appearance can result in ingrown hairs via extrafollicular or transfollicular penetration.

• #1

  https://journals.lww.com/md-journal/fulltext/2016/05100/ingrowing_hair__a_case_report.73.aspx

  Cutaneous pili migrans is a rare condition characterized by a hair fragment or hair shaft moving in the shallow epidermis or dermis, forming an eruption resembling larva migrans. […] Interestingly, there is an exceptionally rare condition previously called ingrown hair mimicking the presentations of cutaneous pili migrans, in which the causative factor is a hair growing inside the skin and burrowing in the uppermost dermis rather than a hair shaft moving inside. […] Based on the entities that the black lines were beard hairs with follicles extending gradually rather than hair shafts moving alone, we considered that the present conditions resulted from the hairs growing inside the skin, and we diagnosed them as ingrown hair rather than cutaneous pili migrans. […] Although the exact mechanisms for ingrowing hair remain unknown, we considered that the actions of pulling or extruding the beard might play important roles for the present patient, because the actions might result in possibility of localized inflammation and edema around the follicle, and/or changing the growing direction of the beard hair, that made the hair grow inside the skin possible.

• #2

  https://journals.lww.com/md-journal/fulltext/2016/05100/ingrowing_hair__a_case_report.73.aspx

  Cutaneous pili migrans is a rare condition characterized by a hair fragment or hair shaft moving in the shallow epidermis or dermis, forming an eruption resembling larva migrans. […] Interestingly, there is an exceptionally rare condition previously called ingrown hair mimicking the presentations of cutaneous pili migrans, in which the causative factor is a hair growing inside the skin and burrowing in the uppermost dermis rather than a hair shaft moving inside. […] Based on the entities that the black lines were beard hairs with follicles extending gradually rather than hair shafts moving alone, we considered that the present conditions resulted from the hairs growing inside the skin, and we diagnosed them as ingrown hair rather than cutaneous pili migrans. […] Although the exact mechanisms for ingrowing hair remain unknown, we considered that the actions of pulling or extruding the beard might play important roles for the present patient, because the actions might result in possibility of localized inflammation and edema around the follicle, and/or changing the growing direction of the beard hair, that made the hair grow inside the skin possible.

• #2

  https://journals.lww.com/md-journal/fulltext/2016/05100/ingrowing_hair__a_case_report.73.aspx

  When the hair is growing inside the skin, it may also cause physical stimulation causing possible erythema around. […] As ingrowing hair is caused by a hair growing inside the skin, extracting the hair and correcting the bad habit may be its optimal management strategies. […] Ingrowing hair is a rare cutaneous disease caused by hair growing inside the skin and characterized by slowly extending black linear lesion beneath the skin, the length of the lesion is always equal to the length of the hair except that inflammatory reaction occurs.

• #3 Infected Ingrown Hair: Causes, Symptoms, Treatment, Prevention

  https://www.health.com/ingrown-hair-7373876

  Infected ingrown hair can occur when a hair that has been shaved, waxed, or plucked grows back into the skin instead of outward. This can lead to inflammation, irritation, skin discoloration, and the formation of tiny, painful bumps. […] An ingrown hair occurs when a hair that has been shaved, waxed, or plucked begins to grow back into the skin. This causes inflammation. […] A hair can become ingrown in two ways: The hair either exits the follicle and curls back into the skin (extrafollicular penetration), or becomes trapped before it can even exit the follicle (transfollicular penetration). […] Extrafollicular penetration can occur because shaving produces short hairs that are sharp enough to enter the skin. Transfollicular penetration can occur if you stretch your skin while shaving. […] Its believed that razors with at least two edges can also lead to transfollicular penetration. As the first blade pulls the hair up, the next blades cut the hair, causing the hair to go back into the skin after shaving.

• #4 Ingrown Hair: Causes, Symptoms, and Treatments

  https://resources.healthgrades.com/right-care/skin-hair-and-nails/ingrown-hair-why-it-happens-and-what-to-do

  Ingrown hairs usually occur when hairs that are shaved, waxed, or tweezed out curl back into the skin, instead of growing outward. This can result in tender red or brown bumps that may respond to home care. However, without proper treatment, ingrown hairs can lead to infection and scarring. For that reason, it is important to contact a skin doctor, or dermatologist, for ingrown hairs that do not come out on their own. […] An ingrown hair is a hair that gets trapped in the skin instead of growing outward. These hairs are most often caused by hair removal methods such as shaving, waxing, or tweezing. […] Ingrown hairs most often result from shaving, waxing, tweezing, or threading. These hair removal methods cut the hair close to the skin, allowing the hair to curve back inward as it grows. People with tightly curled hair are more prone to ingrown hairs because the curved shape of the hair follicle may cause hair to grow sideways into the skin.

• #4 Ingrown Hair: Causes, Symptoms, and Treatments

  https://resources.healthgrades.com/right-care/skin-hair-and-nails/ingrown-hair-why-it-happens-and-what-to-do

  The Canadian Dermatology Association outlines these other ways in which hair removal techniques can cause ingrown hair: When shaving, pulling the skin taut can cause the ends of the hairs to retract under the skin. Shaving also cuts hairs on an angle, making them more likely to grow on a curve back into the skin. Even though waxing pulls the hair out by the root, the hair that grows back may grow sideways instead of straight back out. […] Shaving too close to the skin or using a blunt razor can also make you more prone to ingrown hairs. Doctors also recommend moisturizing and exfoliating the skin, which helps clear dead skin cells and encourages hairs to grow in the right direction. […] If the area of an ingrown hair becomes swollen, warm, tender, or pus-producing, you may have an infection called folliculitis. A dermatologist can diagnose folliculitis and prescribe treatments such as antibiotics to clear the infection.

• #5 Ingrown Hair Removal: How to Get Rid of an Ingrown Hair | SELF

  https://www.self.com/story/remove-ingrown-hair-yourself

  An infected ingrown hair will likely be painful, red, swollen, and may have a yellowish green fluid draining from it, she adds. […] This happens when bacteria from the skin’s surface get into the follicle; it could be from an accidental tear in the skin or from poking at an ingrown hair with unclean hands or tweezers, Dr. Clay explains. […] If you’re someone who finds yourself getting ingrown hairs frequently, it may be worth considering a single-blade razor. […] You can also try an electric trimmer that’s not on the closest shave setting—that way, you won’t cut the hair too close to your skin, reducing the chances of it curling back into the skin. […] And if you can afford it (and deal with the moderate pain), laser hair removal is perhaps the best option for the ingrown-prone. It’s not foolproof—the hair can still grow back—but it prevents your hair follicles from working properly, cutting back on your body hair and, therefore, annoying ingrown hairs.

• #6 Ingrown hair // Middlesex Health

  https://middlesexhealth.org/learning-center/diseases-and-conditions/ingrown-hair

  Ingrown hair occurs when a hair that’s been removed starts to grow back and curves into the skin. […] Hair structure and direction of growth play a role in ingrown hair. A curved hair follicle, which produces tightly curled hair, is believed to encourage the hair to reenter the skin once the hair is cut and starts to grow back. Shaving creates a sharp edge on hair, making it easier to pierce the skin. […] When a hair penetrates your skin, your skin reacts as it would to a foreign body it becomes irritated.

• #7 Ingrown Hair: Causes, Symptoms, Treatments, and Infections

  https://www.webmd.com/skin-problems-and-treatments/ingrown-hair-causes-symptoms-treatment

  An ingrown hair is one that’s grown back into your skin instead of rising up from it. […] Sometimes, dead skin can clog a hair follicle, which forces the hair to grow sideways under your skin rather than up and out. […] If you shave often, you’re more likely to have ingrown hairs. You’re also more likely to have them if you have skin of color or your hair is thick, coarse, or curly. Curly hair is more likely to bend back and reenter your skin, especially after it’s been shaved or cut. […] When you have thick or curly hair, you can get a type of ingrown hair called pseudofolliculitis. These bumps are common on your beard area. The hair that grows back has a sharper edge, so it can more easily poke back through your skin and get trapped under the surface. […] Some doctors believe that ingrown hairs also cause pilonidal cysts. These pockets of hair and skin debris usually happen at the base of your tailbone, between your buttocks. They can be swollen and painful. You might need surgery to treat them.

• #8 Ingrown Hair Removal Treatment, Home Remedies, Types, Pictures

  https://www.medicinenet.com/ingrown_hair/article.htm

  Ingrown hairs happen when the sharp tip of the hair curls back or grows sideways into the skin of the hair follicle. […] An ingrown hair is a very common skin condition occurring primarily after puberty. […] Individuals with thicker, tightly curled hairs, such as African Americans, tend to have the highest rate of problems with ingrown hairs, particularly in the beard area. […] Although ingrown hair is primarily caused by improper or aggressive hair removal, it sometimes occurs naturally as too much dead skin debris blocks the hair follicle opening, causing the hair to grow sideways. […] An ingrown hair can lead to a localized foreign-body inflammatory reaction, which causes pinpoint red or pink bumps on the skin. […] Symptoms include itch and tenderness, as well as the following: Some of the bumps may be slightly red or have an accompanying light-red halo indicating inflammation.

• #8 Ingrown Hair Removal Treatment, Home Remedies, Types, Pictures

  https://www.medicinenet.com/ingrown_hair/article.htm

  Ingrown hairs most characteristically involve areas that are shaved, like the beard, bikini area, and legs. […] The diagnosis of ingrown hair is typically very straightforward and based on the skin’s appearance. […] Available treatments include: Chemical depilatories, Improved shaving techniques, Topical antibiotics if infected, Medical removal of the ingrown hair by small incision and pulling out the hair, Hair-removal laser. […] Although no cure exists, it is possible to decrease the occurrence of ingrown hairs. […] The simplest way to prevent ingrown hair is to allow hair to grow without cutting it too short.

• #9 Folliculitis barbae: Causes, Management, and More – DermNet

  https://dermnetnz.org/topics/folliculitis-barbae

  Folliculitis barbae presents similarly to pseudofolliculitis barbae (PFB), which is a papulopustular foreign body reaction towards curved hair-follicles that penetrate the perifollicular epidermis as they grow out of the skin (ingrown hairs). […] If the colonization of S. aureus seeds deeper in the skin, it may induce sycosis barbae, which presents as persistent sinus tracts, abscesses, and inflammation deep between hair follicles. […] Curlier and coarser hairs of persons with darker skin types (such as African Americans) are more likely to penetrate perifollicular epidermis, causing PFB. […] While PFB and folliculitis barbae may co-present in darker skin individuals, finer and straighter hairs in persons with lighter skin types are less likely to cause PFB.

• #10 Ingrown Hair: Symptoms, Causes, Treatment, and Prevention

  https://www.verywellhealth.com/difference-between-acne-pimple-and-ingrown-hair-3960297

  An ingrown hair occurs when hair that has been shaved, tweezed, or waxed curls back into the skin as it regrows. […] Ingrown hairs are otherwise known as pseudofolliculitis barbae. Although the term is typically applied to ingrown hairs of the beard area, it can refer to any part of the body in which shaving or plucking has caused an ingrown hair. […] As an ingrown hair tip penetrates the skin, it sets off an inflammatory reaction that causes itching and swelling along with post-inflammatory hyperpigmentation (darkening of the skin). […] Pseudofolliculitis barbae is a chronic (persistent) inflammatory condition associated with shaving or plucking. It is common in people with tight curly hair whose hair can curve back and penetrate the adjacent skin. […] If left untreated, an ingrown hair can cause a keloid. A keloid is an abnormally hard and smooth scar that can spread beyond the original borders of the skin injury.

• #11 Ingrown hair – Wikipedia

  https://en.wikipedia.org/wiki/Ingrown_hair

  Ingrown hair is a condition where a hair curls back or grows sideways into the skin. […] Anything that causes the hair to be broken off unevenly with a sharp tip can cause ingrown hairs. […] Ingrown hairs are also caused because of lack of natural exfoliation in the skin. […] Not enough exfoliation before and after hair removal causes hair to become ingrown. Daily exfoliation prevents the accumulation of excess skin, which can allow hair to grow properly above the skin.

• #12 Ingrown hair: Treatment and prevention

  https://www.medicalnewstoday.com/articles/317951

  An ingrown hair is a hair that has curled back into the skin instead of growing out of the skins surface. […] The most common cause of ingrown hairs is an improper shaving technique. Cutting hair very close to the skin creates a very sharp tip on the end of each of the hairs. […] However, some hairs can curl back on themselves and grow into the skin. When this happens, the body responds to the hair as if it were an intruder, causing inflammation, which is the typical symptom of an ingrown hair. […] It is also possible for hair follicles to become clogged by dead skin, dirt and debris. […] When this happens, the hair in the follicle can become stuck or grow sideways into the skin, causing an ingrown hair. […] Friction caused by wearing tight clothing for extended periods of time can also cause ingrown hairs. […] The friction caused by body movement throughout the day can also rub hairs against the skin continuously. This causes the hairs to turn around and push back into the follicle.

• #13

  https://curology.com/blog/how-to-prevent-ingrown-hairs-according-to-the-experts/

  Hair normally grows upward and out of the skin, but sometimes it curls in on itself. Instead of going up and out, an ingrown hair makes a U-turn and grows back into your skin. This can either occur when the hair exits the skin and curls back downward, penetrating the skin a few millimeters away from the follicle (aka extrafollicular penetration), or the hair curls back through the wall of the follicle before exiting the skin (aka transfollicular penetration). This leads to inflammation that can cause painful or itchy papules and pustules. […] Ingrown hairs are often referred to as razor bumps because they generally occur after shaving, but there are other causes. Sometimes, ingrown hairs can appear without hair removaltight-fitting clothing along crease lines can push hair inward, for instance. […] Some of the most common causes are shaving with multi-blade razors, tweezing and waxing, and epilating (electric shaver).

• #14 Prevation of ingrown or encapsulated hair

  https://www.haarfreiheit.net/en/ingrown-hair/

  Ingrown hair is a common annoyance that can occur when regrowing hair curves under the skin surface instead of growing out freely. […] People with thick, curly or thick hair are particularly susceptible to ingrown hair. The reason for this is the structure of these hairs, which tends to get trapped more easily in the follicles and thus penetrate the skin. […] The causes of ingrown hair can be very versatile. Skin and hair structure, genetic component, age and density of hair systems, as well as hormone balance are factors that influence hair growth and thus also the risk and frequency of ingrown hair. […] In this more complicated form of ingrown hair, the hair channel at the surface is clogged (e.g. by dirt particles, hardened sebum or wound crusts, etc.). The hair bends off as it grows and grows inwards into the skin.

• #14 Prevation of ingrown or encapsulated hair

  https://www.haarfreiheit.net/en/ingrown-hair/

  The germs get under the skin and into the tissue via the ingrown hair and are recognized and combated as foreign invaders. […] A well-known example of an abscess is the crotch fistula, which occurs mainly in men. A crotch fistula, or sinus pilonidalis, is a painful disease directly at the top of the buttock/lower back, often caused by ingrown hairs that produce a pus blister. […] Ingrown hair can occur in all parts of the body if hair does not grow properly out of the hair follicle after shaving, epilation or waxing. […] Proper care is essential to avoid ingrown hair. Regular peeling and wearing loose clothing can help. […] Ingrown hair can be completely prevented with permanent hair removal with Haarfreiheit. Our professional service and state-of-the-art technology ensure that hair is effectively and permanently removed without growing into the skin.

• #15 Ingrown Hair: What It Looks Like, Causes, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/17722-ingrown-hair

  An ingrown hair is a strand of hair that grows back into your skin after shaving, tweezing or waxing. […] Removing hair by shaving, waxing or tweezing can cause ingrown hairs. New hairs grow from hair follicles under your skin. Shaving, waxing and tweezing only remove hair strands they dont remove hair follicles. […] When new hair grows, it may curl back and enter your skin. This more commonly occurs if your hair is thick, curly or coarse. […] If an ingrown hair becomes infected, you may notice the bumps getting bigger and more painful. Pustules occur when theres pus around the follicles. This infection can lead to scarring. […] Your healthcare provider may provide medications that can decrease inflammation and improve infections from ingrown hairs, including: Antibiotic ointment or pills.

• #15 Ingrown Hair: What It Looks Like, Causes, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/17722-ingrown-hair

  For more serious cases, your healthcare provider may recommend other hair removal options, including: Electrolysis. This technique uses a tiny needle and a mild electrical zap to destroy your hair roots one by one. […] Laser hair removal. In this technique, heat from a laser destroys cells that have a lot of pigment (color). This works best on dark hair.

• #16 Ingrown Hair – Canadian Dermatology Association

  https://dermatology.ca/public-patients/diseases-conditions/hair-conditions/ingrown-hair/

  Ingrown hair is hair that grows into the skin instead of outward. Hair removal methods such as shaving, waxing, or tweezing can cause ingrown hairs, often producing itchy, painful red bumps similar to pimples. […] Having tightly curled hair increases the chance of ingrown hairs because the curved hair follicle may orient hair to grow sideways, in the direction of the skin. People with coarse, curly, kinky, or afro-textured hair have a higher tendency to develop ingrown hairs. This particularly affects people with skin of colour. […] Hair removal methods may also play a role in the formation of ingrown hair. Shaving typically cuts hair at an angle, which may lead the hair to curve into the skin. Waxing pulls hair out by the root. When hair re-grows, it can grow to the side and into the skin, rather than straight outwards past the skins surface.

• #17 • Ingrown Pubic Hair: Causes, Treatment, and Prevention

  https://flo.health/menstrual-cycle/lifestyle/hygiene-and-beauty/ingrown-pubic-hair

  An ingrown hair occurs when the tip of the hair folds back into the skin at the root. Instead of growing up to the surface, the hair grows back into the skin, often because of shaving, waxing, or plucking. […] Hair structure and the direction of growth are factors in developing ingrown hair bumps. Although anyone can develop ingrown hairs, they are more common in people with curly hair. This is because curly hair is more likely to curl around and grow back into your skin. […] If the ingrown hair bump is causing you severe irritation and pain, you should stop waxing, shaving, and tweezing the hair in that area. These hair removal techniques are the major causes of ingrown pubic hair. […] Using a single-blade razor can reduce your chances of developing ingrown pubic hair. When you use a multi-blade razor, the blades pass over your skin several times and can cut the hair beneath the skin.

• #18 Say Goodbye to Ingrown Hair: How Long Will It Last?

  https://www.harmonyaestheticscenter.com/post/say-goodbye-to-ingrown-hair-how-long-will-it-last

  Ingrown hair occurs when the hair curls back or grows sideways into the skin, causing redness, inflammation, and sometimes even infection. […] One of the main causes of ingrown hair is improper hair removal techniques. When you shave against the direction of hair growth or use a dull blade, it can lead to the hair being cut too short, resulting in it growing back into the skin. […] Tight clothing and friction from rubbing against the skin can also contribute to the development of ingrown hair. When the hair follicles are trapped and cannot grow out properly, they can become inflamed and lead to the formation of ingrown hairs. […] The duration of an ingrown hair can vary depending on several factors, including the individual’s hair growth cycle, the severity of the ingrown hair, and the effectiveness of treatment methods.

• #19 Expert Advice

  https://slmdskincare.com/blogs/learn/some-people-are-more-prone-to-ingrown-hairs?srsltid=AfmBOormLRxWxuxZKNfBKsRUB8eQc4AC4ylPgQvDoWRt7xcfkDUd_W1k

  With millions of follicles covering our skin, its no surprise that ingrown hairs pop up periodically. According to dermatologist and SLMD Skincare founder Sandra Lee, MD (aka Dr. Pimple Popper), the condition is completely normal, but some people are more susceptible than others. […] But occasionally, this process goes awry: hairs can grow in the wrong direction, curling back into the skin, becoming ingrown and sometimes, infected. […] The most common culprit here is actually hair removal, because it increases the chances of hair growing back at an angle. […] Common mistakes include: Not shaving in the direction of the hair growth; Pulling skin taut while shaving so hair is removed beneath the skin; Using multi-blade razors that shave hair closer to/beneath the skin. […] No matter what type of skin and hair you have, Dr. Lee says there are several preventive measures you can take to reduce your risk of developing ingrown hairs: Exfoliate. Reduce the buildup of dead skin with alpha hydroxy acids. […] Generally speaking, having an ingrown hair every so often is no big deal. Redness, pus, and pain are all typical symptoms. […] Though people with curly, coarse hair are more susceptible to ingrown hairs, they can happen to anyone.

• #20 Ingrown hair – treatment, symptoms, causes and prevention | healthdirect

  https://www.healthdirect.gov.au/ingrown-hair

  An ingrown hair is when a hair grows back into the skin. […] Ingrown hairs can happen after your body hair is removed, such as through shaving, tweezing, waxing, or using hair removal cream. […] Removing hair makes it more likely to grow back into the skin. […] Ingrown hairs can also be caused by wearing tight clothes that force hair to grow back into your skin. […] You are also more likely to get ingrown hairs if you have very curly or coarse hair. […] Chronic (ongoing) inflammation of the skin caused by ingrown hairs is called razor bumps, shave bumps, barbers itch, or pseudofolliculitis barbae.

• #21 What’s The Deal With Ingrown Hairs? – Waxing the City

  https://www.waxingthecity.com/beauty-buzz/how-to/whats-the-deal-with-ingrown-hairs/

  Ingrown hairs are actually quite common and can show up anywhere on your body, but they are most likely to occur in areas where your hair is especially curly or course. […] An ingrown hair happens when hair curls back and grows back beneath the skin. […] In most cases, ingrown hairs are caused by various forms of hair removal, usually tweezing and shaving. […] Sometimes when hair grows back, it grows back inwardly instead of resuming its normal growth pattern. […] However, hair removal isn’t the only culprit to blame. Ingrown hairs can also be caused by dry skin and dead skin cells as this can cause your hair follicles to become clogged. […] Skin-tight can also sometimes be the cause due to the friction between your skin and fabric, especially if you’re wearing nylon and polyester.

• #22 Ingrown Hair Removal, Causes & Prevention    – SelfDecode Health

  https://health.selfdecode.com/blog/ingrown-hair/

  Frequently associated with shaving, ingrown hairs occur when growing hairs curl back into the skin. This causes the formation of round bumps and pustules that may become infected. […] After shaving, short, sharp, and pointed hairs grow out from under the skin. These become ingrown hairs (also known as Pseudofolliculitis barbae) if they grow back into the skin, slightly penetrating the outer skin layer (epidermis). This happens close to the hair follicle, forming dimples, as seen in the figure below. […] Round bumps and small blisters with pus (pustules) may appear at the ingrown site because the ingrown hair triggers the foreign body inflammatory response. […] Rapid hair growth (body or facial) and curly hair are common risk factors for ingrown hairs. These may be influenced by genetics or hormonal disorders. […] Some people have genetic mutations in a gene for hair proteins (keratin) in follicles, which increases their risk of ingrown hairs.

• #23 Ingrown Hair Philadelphia & Main Line, PA | Farber Dermatology

  https://farberdermatology.com/medical-dermatology/ingrown-hair/

  Ingrown hair happens when, shaved, waxed or tweezed hair grows back into the skin. Ingrown hairs cause causes inflammation, irritation and can lead to infections. […] When hair grows back into the skin, the body reacts as if it is a foreign pathogen triggering an inflamed immune response.

• #24 Thanks for your interest!

  https://www.eraorganics.com/blogs/damage-skin/how-to-get-rid-of-ingrown-hair?srsltid=AfmBOopMw_Zoqh2uV4TUETfhHrKwmYfWY_gChsHfOuX17XbP7vLs0GAw

  As the name implies, ingrown hairs are hairs that have grown into the skin and gotten trapped underneath the skins surface. This commonly happens when hair that has grown out of the skin curls back and re-enters the skin. […] When a hair becomes ingrown, the body responds by sending white blood cells to the area, which results in inflammation that causes the area to look red or inflamed. […] No matter the cause, hairs that become ingrown can be a real pain.

• #25

  https://drbaileyskincare.com/blogs/blog/ingrown-hair-treatment-and-prevention?srsltid=AfmBOordaNGEk42EsYOnYdRGo5v177YnWkTBV172_-UpAuXNCg-4iQKZ

  If the hair enters the dermis, there is inflammation and a 'foreign body reaction’. That’s because the body does not like hair in the dermal layer of the skin. It sees the hair as foreign and tries to destroy the shaft of hair. The reaction is accompanied by redness, tenderness, swelling and pus, just like with a splinter. […] Normally, hairs grow in the hair follicle canal and exit freely to the skin surface where they can be shaved, cut, or allowed to grow. Each hair follicle grows for a predetermined number of months or years, then rests. When the hair follicle resumes producing a shaft of hair, the old hair strand is shed and a new hair starts growing from the bottom of the follicle. Typically, the new hair follows the follicle and exits at the top. Sometimes it doesn’t work and the hair in grows.

• #25

  https://drbaileyskincare.com/blogs/blog/ingrown-hair-treatment-and-prevention?srsltid=AfmBOordaNGEk42EsYOnYdRGo5v177YnWkTBV172_-UpAuXNCg-4iQKZ

  Hairs normally grow in a hair follicle, which is a small canal in the skin lined by cells. Typically, growing hairs make it to the opening of the hair follicle without difficulty. […] Some, however, fail to grow without drama and instead grow back into the skin to cause an ingrown hair. If a hair fails to exit the hair follicle canal to the skin surface it continues to grow trapped within or under the skin. […] An ingrown hair can curl back after exiting the hair canal, pierce the skin and grow down into the skin. An ingrown hair can pierce the lining of the hair canal and grow into the skin before reaching the top opening of the hair canal. An ingrown hair can get trapped at the opening of the skin and become unable to exit, either curling back into the canal or eventually piercing the skin and growing into it.

• #26 How to Get Rid of Ingrown Hair (At Home, Naturally) – Dr. Axe

  https://draxe.com/health/how-to-get-rid-of-ingrown-hair/

  Ingrown hairs form when a hair follicle is unable to get past a clogged pore, forcing the strand of hair to curl back in. […] An ingrown hair growing in the wrong direction is treated as a foreign invader by the body, and thats why inflammation is common. […] According to the Mayo Clinic, having tightly curled hair is the number one risk factor for experiencing ingrown hairs. When tightly curled hair is cut and starts to grow back, its more likely to re-enter the skin rather than grow in a normal fashion. Shaving curled hair dry makes ingrown hairs even more likely. […] Complications of chronic ingrown hair can include a bacterial infection (due to scratching), permanent scarring, skin darkening (hyperpigmentation) and pseudofolliculitis barbae, also known as razor bumps.

• #27 Ingrown Hair-Causes, Prevention & Treatment – Anna Lotan

  https://annalotanusa.com/ingrown-hair-causes-prevention-treatment/

  One of the problems that many of our clients are facing after tweezing or waxing is ingrown hairs. […] Preventing it is of course the best way to overcome the discomfort. To do that we need to understand the mechanism that brings it about. […] Sometimes, for multiple physiological reasons, instead of a soft flow the sebum dries out and clogs the pore leaving a hard waxy residue. When the new hair emerges, it can pierce the waxy barrier because it is very thin and pointed but as it grows a little longer, its curly nature leads it backwards towards the skin while the dry wax fixes this undesired direction. […] The skin receptors will instantly regard this touch as a threat and rush an immune response to the battle area transporting fluids to form of a tiny blister. […] High moisture availability is in these poorly ventilated areas (as the genitals) from continuous evaporation that is locked in under and around the sebum residues in quantities sufficient for encouraging microbial growth. […] This will easily lead to the formation of inflamed pimples.

• #28 Ingrown hair and staph infection: Symptoms, causes, treatment

  https://www.medicalnewstoday.com/articles/ingrown-hair-staph-infection

  If the site of the ingrown hair acquires an infection with Staphylococcus aureus, it can cause itchy bumps, pain, flushed skin, and pus. […] Ingrown hairs are hairs that have grown back into the skin. […] Staph infections occur when germs that normally live on the surface of the skin can enter the body through an open wound. That is why it is important to leave ingrown hairs alone and not pick at them. […] Many types of bacteria can cause infections in an ingrown follicle. While not all ingrown hairs will contract an infection with staph, some can develop this type of infection from a bacterium that usually lives on the skin. Symptoms include a pimple or boil that forms at the ingrown hairs follicle, warmth or swelling around the ingrown hair, fever, or a general feeling of illness. […] Staph infections can spread to the bloodstream and become very serious. They do not go away on their own, so it is crucial to seek medical attention quickly to receive prompt treatment.

• #29 Infected Ingrown Hair: Pictures, Treatment, Removal, and More

  https://www.healthline.com/health/infected-ingrown-hair

  An infected ingrown hair happens when a hair is blocked from leaving the skin or newly emerged hair curls back into the skin, and the follicle becomes infected. […] If bacteria, fungi, or other pathogens enter the skin, an infection can develop, known as folliculitis. […] Ingrown hairs can also happen when dead skin cells on the skins surface clog a hair follicle and block the hair from emerging. […] Staphylococcus (staph) infections can occur with an ingrown hair. Staph is typically present in your skin flora, but it can’t cause an infection unless it enters a break in the skin. […] Not every wound associated with an ingrown hair will turn into a staph infection. It’s more likely to happen if you have a weakened immune system. […] If you often develop infected ingrown hairs, the doctor may take a skin sample for testing. This can help identify an underlying condition. […] Some prescription medications can help prevent ingrown hairs. Retinoid creams are effective in removing dead skin cells that may contribute to ingrown hairs. […] If bacteria or other pathogens enter the skin, an infection can develop, leading to a painful bump.

• #30 Infected Ingrown Hair Connected to Life-Threatening Sepsis in Viral TikTok Video

  https://www.everydayhealth.com/staph-mrsa/ingrown-hair-leads-to-near-fatal-infection-in-texan-man/

  An ingrown hair can become infected from bacteria on hands or tweezers. […] If bacteria spreads beneath the skin or into the bloodstream, it can lead to more serious infections like cellulitis or, in very rare cases, sepsis, says Dr. Hawkins. […] When an ingrown hair enters the skin, the body’s immune system views the hair as a foreign substance, like a virus or bacteria, since it’s not in a hair follicle, says James Pathoulas, MD, a resident physician in dermatology at Stanford Medicine in California. This triggers inflammation and skin breakdown, giving bacteria an opportunity to break through the skin barrier and cause infection. […] Any time there is a bacterial infection in the body, there is a chance that the germs can enter the bloodstream and travel throughout the body, potentially causing sepsis.

• #31 How to Treat an Ingrown Hair Cyst

  https://www.verywellhealth.com/ingrown-hair-cyst-5212713

  Ingrown hair cysts begin when a hair growing from the follicle curls downward and gets trapped under the skin (instead of growing straight out). […] Then, inflammation around the ingrown hair causes the skin to become red or discolored, raised, swollen, and tender. […] Multiple ingrown hair cysts, called razor bumps (pseudofolliculitis barbae) develop in areas where you shave. […] Scarring may develop if the cysts go untreated or you have recurrent ingrown hair cysts. […] Ingrown hair cysts happen when hairs grow into your skin instead of out of the follicle.

• #32 Folliculitis: Practice Essentials, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/1070456-overview

  Folliculitis refers to inflammation of the hair follicle and is classified based upon which anatomic level of the hair follicle (superficial or deep) is involved; however, this distinction is not always clear cut. Folliculitis can also be subdivided into infective (bacterial, viral, fungal, or parasitic) and non-infectious etiologies with the latter most commonly arising due to follicular trauma, inflammation, occlusion or drug induced. […] Pseudofolliculitis barbae is another form of non-infectious folliculitis due to a local inflammatory reaction to ingrown hairs which penetrate the interfollicular skin. […] Although classically acne was classified as a follicular occlusive disorder, recently there has been a paradigm shift, and it is now felt to represent a primary inflammatory disorder of the pilosebaceous unit given that perifollicular inflammatory cells can be seen in the earliest stages of development prior to the appearance of the microcomedone. Hyperkeratinization then results in follicular obstruction, which allows for sebum accumulation resulting in further distension of the follicle. The normally commensal bacteria (Cutibacterium acnes formerly Propionibacterium acnes) forms a biofilm and its lipases break down sebum triglycerides into proinflammatory fatty acids and activate the innate immune response through toll-like receptor-2.

• #33 What to Know About Folliculitis or Ingrown Hairs

  https://www.urgentcare247.com/blog/what-to-know-about-folliculitis-or-ingrown-hairs

  Folliculitis is an inflammation or an irritation of the hair follicles and it’s a very common problem. […] If folliculitis goes untreated and if there’s a bacterial cause either primary or secondary bacterial infection, these folliculitis infections can go on to cause an abscess formation, which can be really problematic. […] They involve an ingrown hair, unless you remove that ingrown hair where the hair is actually growing back down into the skin, if you don’t get that hair removed, or at least get it pulled where it’s growing away from not back into the back into the tissue. […] That folliculitis is actually not going to resolve back to normal until that’s that the ingrown hairs are taken care of. […] The treatment that we typically do with folliculitis and ingrown hairs, number one, we remove the hair and get the because that’s the inciting problem that’s causing the inflammation that sets you up for infection if you have an ingrown hair, but then we will treat with typically topical antibiotics that are very effective.

• #34 Ingrown Hairs: Causes, Symptoms, and Laser Hair Removal | Dr MiloÅ¡ Živković

  https://estetika-bg.com/en/ingrown-hairs/

  Folliculitis is all the more dangerous because it can be transmitted from one person to another. […] The laser has a therapeutic effect, it penetrates the very root of the hair, removes the hair follicle and destroys it. This is essentially the only way to prevent its growth and infection. […] Intense laser beams of the latest generation eliminate and destroy hairs at the very root, by passing through the skin to the hair follicles. The heat emitted by the lasers reaches the pigment of the hair follicle, causing photothermolysis and destruction of the hair, along with its DNA record. This is why the hairs never grow back. […] When it comes to ingrown hairs and folliculitis, laser hair removal is the only effective way to get rid of this problem forever.

• #35 Ingrown Hair Cyst: Symptoms, Treatment, Prevention, and More

  https://www.healthline.com/health/beauty-skin-care/ingrown-hair-cyst

  An ingrown hair bump, or cyst, extends from your bodys surface and deep underneath it. […] The hair grows from the bottom of your pore and is kept bathed in sebum secreted by the pore. But if the top of your pore becomes blocked due to debris or too much sebum and it swells shut, the hair cant make its way out, resulting in an ingrown hair. […] As the name suggests, ingrown hair cysts start as ingrown hairs, but they can look different depending on the type. […] The following chart summarizes the different types of ingrown hair cysts that can form, what causes them, and how to identify them. […] In cases of razor bumps, the primary goal of treatment is to reduce the surrounding inflammation and decrease your risk of infection. […] Once an ingrown hair cyst has become inflamed and started to change in size, a healthcare professional may need to perform an incision and drainage to shrink the cyst and remove the ingrown hair.

• #36 Ingrown hair | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/ingrown-hair?content_id=CON-20373875

  Ingrown hair occurs when a hair that’s been removed starts to grow back and curves into the skin. […] Hair structure and direction of growth play a role in ingrown hair. A curved hair follicle, which produces tightly curled hair, is believed to encourage the hair to reenter the skin once the hair is cut and starts to grow back. Shaving creates a sharp edge on hair, making it easier to pierce the skin. […] When a hair penetrates your skin, your skin reacts as it would to a foreign body it becomes irritated. […] Razor bumps affect people with curly beards. The condition is also called pseudofolliculitis barbae. It develops when shaved hairs curve back into the skin, leading to inflammation. […] Ingrown hair that doesn’t clear up can lead to: Bacterial infection (from scratching), Patches of skin that are darker than usual (postinflammatory hyperpigmentation), Raised scars that are darker than surrounding skin (keloids), Pseudofolliculitis barbae, also known as razor bumps, Fine depressed scars (grooves).

• #37 What Causes an Ingrown Hair? – Williams Integracare Clinic

  https://integracareclinics.com/what-causes-an-ingrown-hair/

  Ingrown hairs can be a painful and irritating part of shaving. When a hair is unable to grow up and out of your body, it will stay stuck under the skin resulting in an area of irritation. […] A hair becomes ingrown when it becomes poorly angled to make its way out of your skin. This happens most frequently in people who have curly hair as that is more likely to turn back into the skin. Additionally, if your hair is dry when it is shaved it can make the edges of the hair sharp, and thus more likely to poke back into the skin. […] To battle the bacteria and inflammation that comes as a result of ingrown hair, your body will direct melanin to the site of the location. This is a similar response to how your body fights the inflammation caused by sunburn. Hyperpigmentation causes dark spots in your skin as your overall pigment in the area of the ingrown hair fights infection. Hyperpigmentation can be treated but does pose a risk of discoloration in severe instances. For this reason, it is safest to avoid probing the infection and let the hair come out on its own rather than digging under the skin.

• #38 Ingrown Hair Is Not Just an Adult Problem | Yeditepe Üniversitesi Hastanesi

  https://yeditepehastaneleri.com/en/health-guide/childrens-health/ingrown-hair-not-just-adult-problem

  Ingrown hair, which is generally thought of as an adult problem, can also occur in children. […] Pilonidal sinus, known as ingrown hair, is a problem that occurs when the hair in the coccyx (Sacrum-Coccyx) region grows into the skin as a result of sweating and sitting too much, making a nest for itself under the skin. […] Personal hygiene is as important as much as the risk factors mentioned in the formation of ingrown hairs. […] Assoc. Prof. Dr. afak Karaay said, Ingrown hair first manifests itself with abscess and discharge. […] Failure to intervene in the abscess early can cause severe pain and fever. […] When diagnosed in the early period, the treatment is easier, and the children can return to their normal lives faster. […] The most important factor affecting the success of both medical and surgical procedures is early diagnosis and treatment. […] In patients detected very early, it is sufficient to ensure hygiene, remove hair from the area and observe from time to time in terms of infection. […] In chronic and recurrent ingrown hairs, the definitive treatment of the disease is the surgical removal of the sinus canal.

• #39 How to Get Rid of an Ingrown Hair: Treatment & Home Remedies – Tua Saúde

  https://www.tuasaude.com/en/how-to-get-rid-of-an-ingrown-hair/

  Getting rid of an ingrown hair involves removing dead skin cells and other skin impurities to promote the growth and eruption of a hair follicle. This can help to prevent folliculitis, an skin inflammation that occurs when the root of the hair follicle becomes inflamed. […] If the follicle becomes inflamed, the dermatologist can prescribe medications, like oral antibiotics or topical ointments with antibiotics, retinoids or anti-inflammatories. […] Washing the skin every day with warm water and a mild soap when showering promotes the dilation of skin pores. This helps ingrown hairs to grow and puncture the skin. […] If an ingrown hair becomes inflamed, the doctor may prescribe an ointment cream or gel with antibiotics, like neomycin, gentamicin, or mupirocin. These help to fight off any bacteria present in the follicles and and can improve symptoms like itching and pain.

• #40 I have been experiencing an increase in the number of ingrown hairs, despite medications. Please help.

  https://www.icliniq.com/qa/ingrown-hair/what-leads-to-the-development-of-ingrown-hairs-even-after-using-medications

  Based on the information and images you shared (attachments removed to protect the patient’s identity), it appears to be ingrown hairs. Unwanted facial and body hair is most commonly caused by shaving and waxing. When the hair is removed, it can grow sideways or curl back into the hair follicle, and get trapped under the skin. This leads to irritation and inflammation of the surrounding skin. […] Treatment for ingrown hairs may vary; sometimes, they can heal independently without any specific intervention. I suggest you apply a topical steroid cream like 0.1 percent Mometasone (Mometasone (0.1 % w/w)) for relief and Retino-A 0.025 % (Tretinoin 0.025 % w/w) locally at night to dislodge keratin and facilitate the emergence of ingrown hairs.

• #41 Ingrown Hair Treatment Pittsburgh, PA | Beleza Plastic Surgery & Medical Spa

  https://beleza-plasticsurgery.com/medical-spa-pittsburgh/laser-treatments/laser-hair-removal/ingrown-hair-treatment/

  Ingrown hair is caused by hair follicles that are unable to pierce through the skin as they grow. […] Hair removal methods can contribute to the development of ingrown hair, which is particularly common in areas where people shave or wax. […] You are more likely to develop ingrown hairs if you have thick, coarse, or curly hair that tends to coil back in on itself. […] If ingrown hairs are left untreated, the surrounding skin can become inflamed, and in some cases, eventually lead to scarring. […] A laser treatment is an effective solution for eliminating them. […] Laser therapy targets and destroys the hair follicles responsible for ingrown hair, reducing inflammation and discomfort. […] By targeting the hair follicles, laser treatments can prevent future ingrown hair from occurring.

• #42 Can Laser Hair Removal Treatment Cause Ingrown Hair?

  https://littleextralove.com/blog/hair-care/laser-hair-removal-and-ingrown-hair?srsltid=AfmBOopvRBjsAD6EHS8Tfinm5B_CjjzMhrhaM84AoaGp9z0VyCw8n8kE

  Ingrown hair is hair that grows back into the skin and curls itself round after being tweezed, waxed, shaved, or cut. […] The most common cause of ingrown hair is waxing and shaving. […] Ingrown hair can be cured, and laser hair removal is one of the most common and effective solutions for it. This procedure includes the use of a concentrated laser light pulse that gets rid of unwanted hair by destroying the hair follicle. […] The concentrated beam of light from the laser is absorbed by melanin (a pigment that determines the color of the hair) in the roots of the hair and is converted into heat. This leads to the destruction of hair follicles from the roots. […] Laser hair removal halts the current and future production of hair from the roots. […] Laser hair removal damages the hair follicle of the targeted hair, putting a stop to ingrown hair.

• #43 Does Micro-Needling Ingrown Hair Really Work? – Oral Facial Surgical Arts, PAAccessibility ToolsIncrease TextDecrease TextGrayscaleHigh ContrastNegative ContrastLight BackgroundLinks UnderlineReadable FontReset

  https://oralsurgicalarts.com/does-micro-needling-ingrown-hair-really-work/

  Micro-needling offers a minimally invasive solution to a wide range of skin concerns, and ingrown hairs are no exception. […] When those tiny needles create micro-injuries in your skin, the process stimulates collagen production and cell turnover. This natural healing response helps your skin to renew itself, which can reduce the appearance of ingrown hairs, scars, and bumps. […] Micro-needling not only addresses existing ingrown hairs but also helps prevent new ones from forming. By improving the overall texture of your skin and reducing inflammation, the process can help hair follicles grow in the correct direction, minimizing the likelihood of ingrown hairs. […] The increase in collagen production supports healthy skin, making it more resilient against future issues. […] Micro-needling offers numerous benefits for anyone dealing with ingrown hairs, including: Reduces Inflammation: Micro-needling soothes the inflamed skin around ingrown hairs, helping to calm irritation.

• #44 Ingrown Hair Surgery | Aktif International Hospital

  https://www.aktifinternational.com/en/ingrown-hair-surgery/

  Ingrown hair surgery, also known as surgical excision or removal of ingrown hairs, is a procedure performed to address ingrown hairs that have become embedded or trapped beneath the skins surface. Ingrown hairs occur when hair follicles become clogged with dead skin cells, debris, or oils, leading to inflammation, redness, pain, and the formation of small bumps or cysts. […] Ingrown hair surgery involves the surgical excision or removal of ingrown hairs that have become embedded or trapped beneath the skins surface. Ingrown hairs occur when hair follicles grow back into the skin instead of outward, leading to inflammation, irritation, pain, and the formation of papules, pustules, or cysts. […] Ingrown hair surgery can prevent complications such as infection, abscess formation, scarring, or hyperpigmentation that may result from untreated or recurrent ingrown hairs.

• #44 Ingrown Hair Surgery | Aktif International Hospital

  https://www.aktifinternational.com/en/ingrown-hair-surgery/

  Surgical excision of ingrown hairs can improve the appearance and texture of the skin by eliminating bumps, cysts, or lesions caused by ingrown hair follicles, resulting in smoother, clearer skin. […] The surgical procedure may involve the following steps: Preparation: The surgical site is cleansed and prepared using antiseptic solutions to reduce the risk of infection and ensure a sterile surgical environment. […] A local anesthetic is administered to numb the area and minimize discomfort during the surgical procedure. […] The dermatologic surgeon carefully incises the skin and removes the trapped or embedded ingrown hairs using precision surgical techniques. […] The surgical incision may be closed with sutures, adhesive strips, or surgical glue to promote optimal wound healing and minimize scarring. […] After ingrown hair surgery, patients receive post-operative instructions and recommendations for wound care, pain management, and follow-up appointments to monitor healing and assess treatment outcomes.

• #45 Pseudofolliculitis barbae – UpToDate

  https://www.uptodate.com/contents/pseudofolliculitis-barbae

  Pseudofolliculitis barbae (pseudofolliculitis of the beard), often colloquially referred to as „razor bumps,” „shave bumps,” or „ingrown hairs,” is a common cutaneous condition that develops as a result of the removal of facial hair. […] The pathogenesis, diagnosis, and management of pseudofolliculitis barbae will be reviewed here (algorithm 1). […] Pseudofolliculitis barbae can also occur in females who remove facial hair and in association with frequent facial shaving in transfeminine individuals [5].

• #46 Ingrown hair – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/ingrown-hair/diagnosis-treatment/drc-20373898

  Your health care provider is likely to diagnose ingrown hair by looking at your skin and asking about your hair removal habits. […] If you go to trim or shave your hair, particularly if you’re a man or particularly if you are skin of color and a male, it’s very easy for those hairs if they are trimmed closely to turn in on themselves and then pierce the skin. […] Dr. Dawn Davis, a Mayo Clinic dermatologist, says those ingrown hairs can become inflamed and infected. […] That can cause little bumps that erupt like razor burn, but more extensive along the beard area and the neck. […] It’s common in men who have tight, curled hair. The bumps start small, but eventually can enlarge and create scars on the face and neck. […] If they start to see these acnelike bumps or little scar tissue like bumps, they should make sure that they’re washing appropriately. They should be careful with their trimming practices to not shave as close to the skin. […] In the days before your medical appointment, if possible, stop shaving or using any form of hair removal. Ingrown hair may worsen at first as the hair grows back. But eventually it improves.

• #47 Are Ingrown Hairs Preventable? – The New York Times

  https://www.nytimes.com/2024/05/21/well/are-ingrown-hairs-preventable.html

  Hair grows from a follicle deep within the skin, said Dr. Paradi Mirmirani, a dermatologist at Kaiser Permanente in Vallejo, Calif. […] Shaving is more likely than waxing or plucking to cause ingrown hairs because it tends to break off the hair just under the skin, which could push the hair into the skin’s layers and interfere with its growing path, Dr. Mirmirani explained. […] Once the hair starts regrowing, it can curve inward and dig into the skin, or it can emerge and then curl back in, Dr. Mirmirani said. This can cause inflammation and bumps that might be itchy or painful, she said. […] The closer the shave, the more likely an ingrown hair is to form, because the hair can get trapped under the skin, Dr. Foulad said. […] People with curly or coarse hair are most affected, Dr. Foulad said. The bumps are also more common if you regularly shave or wax before the hair has fully grown back, Dr. Houshmand said.

• #47 Are Ingrown Hairs Preventable? – The New York Times

  https://www.nytimes.com/2024/05/21/well/are-ingrown-hairs-preventable.html

  If feasible, allow your hair to grow for as long as possible and wait for any existing ingrown hairs to heal before shaving or using another hair-removal method, Dr. Bieber said. […] When you shave, avoid multi-blade razors, which cut hair too close to the skin, or choose an electric razor that allows you to adjust the blades to avoid a close shave, Dr. Houshmand recommended. […] After hair removal, apply a serum or moisturizer containing salicylic, glycolic or lactic acid to help soothe and exfoliate the skin and potentially prevent ingrown hairs from developing, Dr. Houshmand said.

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