The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
Retinoids or their analogs could treat skin pigmentation disorders like melasma and vitiligo.
1 citations
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March 2020 in “Australasian Journal of Dermatology” The paper concludes that recognizing bitemporal alopecia areata is important for early treatment and preventing its progression.
10 citations
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June 1999 in “Veterinary Dermatology” Two cows had a rare hair disorder causing hair loss but were otherwise healthy.
78 citations
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August 2014 in “Anais Brasileiros de Dermatologia” New vitiligo treatments focus on controlling immune damage and restoring skin color.
2 citations
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April 2025 in “Pediatric Dermatology” Macular alopecia is a distinct, non-scarring hair loss pattern that mostly affects young Hispanic/Latinx females and often resolves on its own.
January 2024 in “Dermatology Practical & Conceptual” Spotted lunula may help identify alopecia areata.
1 citations
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January 2014 in “Indian journal of dermatology, venereology, and leprology” Papular mucinosis can cause eyebrow hair loss, but treatment can lead to regrowth.
24 citations
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May 2000 in “Journal of the American Academy of Dermatology” Pseudopelade can affect both the scalp and beard, causing hair loss.
April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” 1 citations
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January 2018 in “Indian dermatology online journal” Early diagnosis and genetic evaluation of ADULT syndrome are crucial to reduce stress and medical costs.
1 citations
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May 2020 in “Journal of The American Academy of Dermatology” The authors agree more research with proper control groups is needed to understand hair loss.
July 2021 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Monilethrix causes different levels of hair loss in family members.
7 citations
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October 2013 in “British Journal of Dermatology” HIV can cause skin disorders, which are often the first sign of infection, especially in people with darker skin.
August 2009 in “Expert Review of Dermatology” Pregnancy can cause skin changes and conditions that need correct diagnosis and treatment for the health of the mother and baby.
Pseudopelade is likely an independent disease due to its distinct features.
12 citations
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January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
66 citations
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December 1999 in “Journal of Investigative Dermatology” New mutations in the hairless gene may cause hair loss and affect bone development.
10 citations
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January 2012 in “Case reports in medicine” Diphencyprone can cause unexpected and possibly permanent vitiligo.
June 2026 in “Dermatology and Therapy” Combining multiple ingredients is the most effective treatment for hyperpigmentation.
21 citations
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April 2019 in “Clinical, cosmetic and investigational dermatology” The document concludes that stopping shaving or removing affected hair can alleviate Pseudofolliculitis barbae (PFB).
11 citations
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January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
13 citations
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February 2004 in “Clinical and Experimental Ophthalmology” A baby boy with 13q deletion syndrome had eye cancer, a woman's vision improved after stopping a breast cancer drug, a man developed cataracts from using Propecia, and a rare skin disorder called Lipoid Proteinosis was discussed. Also, a tool called OCT is useful for diagnosing macular diseases.
11 citations
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April 2013 in “Homo” Darker skin in 10-year-old girls may be an early sign of puberty.
Cicatricial alopecia can progress to complete hair loss, making diagnosis and management difficult.
February 2018 in “BMJ case reports” An 18-year-old woman was diagnosed with a rare skin condition called Pityriasis rubra pilaris.
47 citations
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January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Premature graying of hair may suggest health issues and currently lacks effective treatments.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
11 citations
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November 1996 in “Pediatric dermatology” Trichostasis spinulosa can look like acne but usually affects adults, not children.
3 citations
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August 2010 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” A rare genetic disease caused severe, worsening hair loss from early childhood with poor treatment results.