62 citations
,
December 1941 in “Experimental biology and medicine” Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
July 2023 in “International Journal of Trichology” The man's hair turned white suddenly but returned to normal on its own in 6 months.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
June 2026 in “The Journal of Cosmetic Medicine” Scalp micropigmentation effectively creates the look of fuller hair but requires skilled application and touch-ups.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
22 citations
,
June 1977 in “Postgraduate Medicine” Certain skin conditions are more common in black people due to hair and skin differences.
September 2019 in “Journal of Investigative Dermatology” PCE-DP brightens skin and promotes hair growth by enhancing cell growth and reducing melanin uptake.
30 citations
,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
5 citations
,
August 2012 in “Archives of Dermatology” The immune system can cause permanent skin and hair whitening by attacking pigment cells.
1 citations
,
January 2020 in “Indian Dermatology Online Journal” Pigtail hair is a sign of new hair growth and should be recognized in hair loss conditions like acute telogen effluvium.
December 2025 in “International Journal of Research in Dermatology” The Ayurvedic treatment safely and effectively restores natural hair color by increasing black hair and reducing grey hair.
1 citations
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November 2019 in “International Journal of Women's Dermatology” Ketoconazole shampoo can cause rare pink hair discoloration.
July 2025 in “Journal of Investigative Dermatology” Reducing PEDF may help treat hair loss.
1 citations
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March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” BMP signaling controls hair growth and skin color.
44 citations
,
April 1979 in “Journal of Ultrastructure Research”
46 citations
,
April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.
June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.
April 2025 in “Turkish Journal of Hematology” Nilotinib may cause gray hair to return to its original color.
March 2019 in “Nasza Dermatologia Online” A rare scalp condition with hair loss was correctly diagnosed and treated, leading to hair regrowth.
32 citations
,
May 2023 in “Preprints.org” Skin pigmentation varies due to genetics, UV exposure, and medications, with treatments available but requiring medical advice.
December 2014 in “Bali Medical Journal” Females have higher estrogen receptor levels in hair than males, and these levels decrease in white hair compared to black hair.
January 2006 in “Carl von Ossiezky University of Oldenburg” Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.
1 citations
,
September 2024 in “Frontiers in Cell and Developmental Biology” Pigs are a good model for studying human hair growth and disorders.
20 citations
,
August 1981 in “Developmental Medicine & Child Neurology” 13 citations
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June 1981 in “Developmental Medicine & Child Neurology” 1 citations
,
September 2017 in “BMJ” The man has a disease causing skin patches, thickened nerves, and mild muscle weakness.
119 citations
,
May 1987 in “The Journal of Dermatologic Surgery and Oncology” Most patients' skin darkening after sclerotherapy fades on its own within 6-24 months.
11 citations
,
July 2008 in “International Journal of Dermatology” Greying hairs may be protected from alopecia areata.
14 citations
,
June 2013 in “Anais Brasileiros de Dermatologia” Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.