2 citations
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January 2023 in “International journal of biological sciences” Gray hair can potentially be reversed, leading to new treatments.
6 citations
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September 2010 in “Pigment Cell & Melanoma Research” We know less about human hair pigmentation than mouse coat color, but pH and cysteine levels are key factors.
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.
February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
16 citations
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February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
16 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair color is determined by different melanins and changes with age.
Trichopigmentation is a non-invasive, reversible treatment for hair loss that offers natural-looking results for both men and women.
6 citations
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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.
May 2021 in “GSC Advanced Research and Reviews” Hair color is influenced by genetics and can indicate certain health conditions.
77 citations
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
7 citations
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January 2002 in “PubMed” Prolonged UVB exposure causes significant skin changes and damage in rats.
April 2024 in “Authorea (Authorea)” Stopping heptaminol medication reversed hair color loss in a patient on dialysis.
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.
5 citations
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January 2015 in “Skin appendage disorders” Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.
1 citations
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May 2017 in “Journal of Stem Cell Research & Therapeutics” Pluripotent stem cells show promise for treating skin color loss disorders like vitiligo.
9 citations
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November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
April 2025 in “Turkish Journal of Hematology” Nilotinib may cause gray hair to return to its original color.
1 citations
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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.
Hair turning darker can be a sign of skin cancer.
10 citations
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January 2010 in “Acta dermato-venereologica” Light therapy can effectively treat vitiligo and hair loss caused by a specific medication.
31 citations
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April 2019 in “Cell reports” Patient-derived melanocytes can potentially treat vitiligo by restoring skin pigmentation.
2 citations
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January 2011 in “Feed Review” Adding 0.029% iron glycine chelate to piglet diets improves growth and hair color.
October 2022 in “Hair Transplantation” Temporary scalp trichopigmentation creates a shaved hair look on the scalp using pigments that fade over time.
January 2026 in “Frontiers in Medicine” PP-PTKL may help treat hair greying, but more testing is needed.
Microneedling and PRP are safe and effective for skin rejuvenation in people with skin of color, with fewer side effects than laser treatments.
April 2015 in “Dentistry 3000” Premature hair graying in the face may be influenced by genetics and environment.
3 citations
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May 1979 in “PubMed”
March 2007 in “The FASEB Journal” Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
1 citations
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January 2014 in “Aesthetic Plastic Surgery” Tattooing improves appearance of scalp alopecia and scars.
March 2026 in “Dyes and Pigments” Riboflavin and blue light speed up genipin hair dye, making it fast, glossy, stable, and eco-friendly.