Acne keloidalis nuchae causes scarring on the scalp, mainly in African American males, and early treatment is important to prevent lasting damage.
Combining vertical and horizontal sectioning improves scalp biopsy analysis for alopecia.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
37 citations
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September 2005 in “Australasian Journal of Dermatology” A man with scalp and neck skin issues improved after a year of oral isotretinoin.
March 2022 in “Folia Medica Indonesiana” The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
11 citations
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December 1990 in “British Journal of Dermatology” Alopecia areata may involve disrupted mesenchymal function in hair follicles.
489 citations
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June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.
62 citations
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November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
16 citations
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November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
158 citations
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February 2000 in “Archives of dermatology” Some people with pattern hair loss may also have scalp inflammation and scarring similar to lichen planopilaris.
30 citations
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May 2008 in “International Journal of Dermatology” Lipedematous alopecia causes permanent hair loss due to increased scalp fat.
13 citations
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May 2023 in “Journal of Dermatological Science” Reduced SIRT1 in hair cells may cause alopecia areata by triggering immune responses.
10 citations
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October 2014 in “Plastic & Reconstructive Surgery Global Open” Botulinum toxin type A injections improved hair growth and scalp health in a woman with radiation-induced hair loss.
6 citations
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November 1999 in “Mycoses” A man in Japan got better from a scalp fungal infection using terbinafine.
December 2025 in “International Journal of Pharmaceutical Sciences Review and Research” The herbal hair oil is safe and beneficial for scalp and hair health.
November 2023 in “Journal of Cosmetic Dermatology” Injecting a person's own fat into their scalp may help regrow hair and improve hair thickness in different types of hair loss.
July 2022 in “Journal of Investigative Dermatology” IL-15 helps maintain hair growth and protects the immune status of hair follicles.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
May 2017 in “InTech eBooks” Trichoscopy and trichogram are useful for diagnosing hair and scalp conditions.
March 2004 in “Journal of The American Academy of Dermatology” Women with lupus experienced non-scarring hair loss with fewer hair follicles, and the test for lupus in hair was not helpful.
January 2002 in “Linchuang pifuke zazhi” A young woman had a rare scalp tumor usually found in older women.
28 citations
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May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
14 citations
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September 1968 in “Archives of Dermatology” Using hot combs can cause permanent hair loss on the scalp's crown.
2 citations
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January 1997 in “Journal of the society of cosmetic chemists” Different antidandruff shampoos can change how much oil your scalp produces.
April 2023 in “Journal of Investigative Dermatology” IL-9/IL-9R signaling can negatively affect human hair growth and may be a target for treating hair loss conditions.
January 2007 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Certain hairstyles in an urban South African township are linked to specific scalp disorders.
13 citations
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January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
6 citations
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June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
January 2000 in “Acta Academiae Medicine Militaris Tertiae” Different keratins in hair follicles can help identify hair tumor origins.
January 2022 in “Surgical and Cosmetic Dermatology” Microneedling showed slight improvement in hair loss but no major changes in hair follicles or scalp condition.