Follicular atopic dermatitis in dark skin can look different, making diagnosis harder.
5 citations
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October 2021 in “Dermatologic Surgery” Platelet-rich plasma (PRP) can significantly improve melasma, a skin pigmentation disorder, but may not add benefits when used with certain other treatments.
10 citations
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July 2022 in “Journal of Cosmetic Dermatology” Medicago sativa extract may help treat vitiligo by enhancing skin and hair pigmentation.
January 2026 in “Frontiers in Medicine” PP-PTKL may help treat hair greying, but more testing is needed.
4 citations
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May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
7 citations
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January 2021 in “Frontiers in genetics” Inherited color dilution in rabbits is linked to DNA methylation changes.
24 citations
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October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
46 citations
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April 2005 in “Melanoma Research”
1 citations
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January 2015 in “Journal of Pigmentary Disorders” Treating melasma in men is difficult, especially for the deeper skin layers, and may need more than just topical treatments.
November 2025 in “International Journal of Biological Macromolecules” This eco-friendly hair dye method improves hair health and color durability.
6 citations
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January 2018 in “Advances in experimental medicine and biology” Researchers created artificial human skin using special cells, which could help treat skin conditions like albinism and vitiligo.
11 citations
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
1 citations
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January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
26 citations
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October 1998 in “Experimental Dermatology” A keratin hHb6 mutation causes a hair disorder with varying severity, influenced by other factors.
5 citations
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July 2009 in “Clinical and experimental dermatology” 5 citations
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January 2004 in “Journal of applied polymer science” Urea helps hair dye penetrate better and last longer.
34 citations
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November 1998 in “Journal of Investigative Dermatology” A common mutation in the hHb6 gene is linked to monilethrix, but other factors may also play a role.
2 citations
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August 2017 in “Experimental Dermatology” A human serum-enriched medium effectively supports melanocyte growth and activity without using animal-derived supplements.
Adenophora Radix extract can promote hair growth and increase melanin in mice.
260 citations
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January 2020 in “Nature” Stress can cause hair to turn gray by depleting stem cells.
16 citations
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November 2003 in “Journal of the American Academy of Dermatology” Iron therapy cured the boy's hair color issue.
94 citations
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October 2017 in “International Journal of Dermatology” Lichen planus pigmentosus causes dark skin patches and is treated by avoiding triggers and using anti-inflammatory medications.
175 citations
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August 1997 in “Nature Genetics”
Daily hair care may cause holes in hair fibers.
April 2017 in “Journal of Dermatological Science” Certain flavonoids can improve the growth of pigmented hair in mice.
13 citations
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January 2009 in “The Open Dermatology Journal” Oral pigmentation can be a sign of Addison's disease.
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.
2 citations
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March 2023 in “JAAD case reports” Hair repigmentation can indicate malignancy and should be investigated.
3 citations
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January 2019 in “Journal of Dermatology” The p.P25L mutation in the KRT5 gene causes a rare skin condition that worsens over time and may lead to hair loss starting in young adulthood.