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July 2012 in “Dermatitis” Hair dye with para-phenylenediamine can cause skin depigmentation.
December 2024 in “PubMed” A man with a rare disease experienced late hair whitening and loss, but hair color returned, suggesting a good outlook.
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January 2000 in “Der Hautarzt” Male hypogonadism affects skin and hair, causing thin skin, less hair, and skin reactions to treatment.
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December 1997 in “Archives of dermatology” A 34-year-old woman had itchy black bumps on her face due to a condition called trichostasis spinulosa.
October 2022 in “Hair Transplantation” Temporary scalp trichopigmentation creates a shaved hair look on the scalp using pigments that fade over time.
72 citations
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November 1997 in “Clinics in dermatology” Vitiligo is a skin condition causing white patches, likely due to an autoimmune issue.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
February 2013 in “Journal of the American Academy of Dermatology” July 1979 in “Archives of Dermatology” A 68-year-old woman with benign mucous membrane pemphigoid has eye, mouth, and skin issues, including thick plaques and nail changes.
3 citations
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January 2019 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Pigs without the Hairless gene showed skin and thymus changes, useful for studying human hair disorders.
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January 2021 in “Journal of Dermatology and Dermatologic Surgery” Taking Vitamin D supplements may increase the risk of skin darkening after laser hair removal.
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March 2009 in “Pigment Cell & Melanoma Research” A sphingolipid from human placenta may help treat vitiligo by activating melanocyte stem cells.
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January 2018 in “Indian Dermatology Online Journal” A brown shadow seen in dermoscopy is a marker for lichen nitidus.
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May 2018 in “JAAD Case Reports” A man's gray hair got darker and thicker after using a psoriasis drug.
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December 2022 in “Molecules” Nanotechnology can improve treatments for skin discoloration.
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December 2006 in “Therapy” The dietary supplement helped increase hair growth in women with hair loss.
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August 2013 in “Facial Plastic Surgery Clinics of North America” FUE provides minimal scarring and quick recovery in hair transplantation, and surgeons not using it may lag in technology.
April 2025 in “Health Science Reports” PRP treatment improved skin pigmentation and appearance in facial lichen planus pigmentosus.
May 2024 in “Pigment International” Several treatments are effective for pigmentary disorders like vitiligo and melasma.
55 citations
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January 1988 in “Dermatology” Diphencyprone treatment for alopecia areata can cause vitiligo in some patients.
November 2025 in “Journal of Investigative Dermatology” Dark skin has stronger barriers and structure due to specific gene activity.
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June 1986 in “Pediatric Dermatology” Androgens increase pigmentation in young hamsters, but estrogens can reverse this effect.
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January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
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October 1985 in “Archives of Ophthalmology” The pigment in black eyeliner can spread in the skin and may cause permanent eyelash loss.
March 2012 in “Journal of The American Academy of Dermatology” Dermoscopy helps diagnose different hair loss conditions, and characteristics vary among ethnicities and individual cases.
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
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July 2019 in “Hair transplant forum international” Scalp Micropigmentation is a popular non-surgical method to make hair look fuller.
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February 2019 in “Anais Brasileiros de Dermatologia” 25 citations
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May 1995 in “Journal of the American Academy of Dermatology” Erythromelanosis follicularis faciei can also affect women, though it's rare.
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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.