January 2026 in “SSRN Electronic Journal” Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.
September 2025 in “Journal of Science Innovations and Nature of Earth” Anthocyanins in berries and purple veggies offer health benefits but need better processing for full use.
January 2025 in “Journal of Pharmacognosy and Phytochemistry” Plant-based pigments in shampoo offer vibrant colors and scalp benefits, meeting quality standards and providing a natural alternative to synthetic dyes.
February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
April 1986 in “CRC Press eBooks” Hair color is determined by melanins produced in hair cells.
81 citations
,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
29 citations
,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
7 citations
,
January 1992 in “Skin Pharmacology and Physiology” Minoxidil binds to hair pigment but doesn't affect hair growth.
6 citations
,
August 2019 in “PLOS ONE” Gambogic Amide helps maintain hair color and promotes hair growth.
5 citations
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July 2009 in “Clinical and experimental dermatology” 3 citations
,
March 1998 in “PubMed” A woman's skin and hair conditions improved after her cancerous tumor was removed.
2 citations
,
November 2024 in “JAAD reviews.” Certain drugs can change hair color, either lightening or darkening it.
2 citations
,
January 2002 in “Clinics in Dermatology” Vitiligo causes white skin patches, often starts before age 20, and is linked to other health issues.
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.
October 2025 in “International Journal of Advanced Multidisciplinary Research and Studies” Hairless dogs have unique skin adaptations to regulate temperature and protect against environmental factors.
April 2025 in “Turkish Journal of Hematology” July 2024 in “Journal of Investigative Dermatology” Topical sulforaphane reduces pigmentation and wrinkles from sun damage.
70 citations
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December 2004 in “Proceedings of the National Academy of Sciences” BMP signaling affects hair color by interacting with the MC-1R pathway.
11 citations
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September 2024 in “Journal of the European Academy of Dermatology and Venereology” Hair regrows faster in alopecia areata than skin re-pigments in vitiligo due to differences in stem cells and treatment effects.
5 citations
,
January 2016 in “European Journal of Dermatology” Suplatast tosilate successfully treated a woman's systemic sclerosis symptoms.
3 citations
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January 2021 in “Skin appendage disorders” Hair color is not a risk factor for developing alopecia areata.
1 citations
,
January 2014 in “International Journal of Trichology” A patient with a rare hair condition and skin disorder showed hair improvement after treatment.
11 citations
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February 2021 in “Trends in Food Science and Technology” Impatiens plants have health-promoting compounds and are used for natural food coloring, but more research is needed to understand their full benefits.
4 citations
,
December 2024 in “International Journal of Molecular Sciences” Hom Thong banana peels can help reduce skin pigmentation by inhibiting melanin production.
Marine macroalgae contain compounds that can improve skin health and have cosmetic benefits.
January 1957 in “Nihon Chikusan Gakkaiho” Rabbit hair color is influenced by the shape and distribution of pigment granules.
17 citations
,
February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
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.
8 citations
,
August 2018 in “Journal of Investigative Dermatology”
March 2026 in “Portuguese Journal of Dermatology and Venereology” Avoid hair dye after microneedling to prevent scalp pigmentation.