6 citations
,
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.
July 2021 in “Indian journal of dermatopathology and diagnostic dermatology” Trichoscopy is a reliable method for diagnosing hair and scalp disorders quickly and non-invasively.
217 citations
,
February 2009 in “The FASEB Journal” Gray hair is caused by hydrogen peroxide buildup, which damages hair color repair.
35 citations
,
January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
7 citations
,
March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
2 citations
,
January 2011 in “Feed Review” Adding 0.029% iron glycine chelate to piglet diets improves growth and hair color.
1 citations
,
March 2025 in “JAAD reviews.” Significant progress has been made in treating skin, hair, and nail disorders in people with skin of color, but disparities still exist.
10 citations
,
May 2015 in “International Journal of Women's Dermatology” New treatments for skin and hair disorders in women of color address unique biological differences and include specific acne medications, sunscreens, skin lighteners, and hair care adjustments.
2 citations
,
May 2019 in “International Journal of Molecular Sciences” Tranexamic acid turns white hair brown in certain mice by affecting specific proteins.
March 2026 in “JAAD reviews.”
2 citations
,
July 2022 in “PubMed” Coconut oil helps with brittle hair and infestations, castor oil may improve hair shine, and argan oil lacks evidence for hair benefits.
25 citations
,
September 2005 in “Journal of the American Academy of Dermatology” Rapp-Hodgkin syndrome, AEC, and EEC are different expressions of the same genetic disorder caused by TP63 gene mutations.
2 citations
,
January 2020 Certain dietary supplements can improve hair health.
May 2026 in “Preprints.org” Dark-coated cats are more stressed, and adoption reduces stress in cats.
152 citations
,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
99 citations
,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
46 citations
,
December 2003 in “Advances in neonatal care” Assessing newborn scalp hair can reveal important health information.
43 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.
11 citations
,
December 2016 in “Frontiers in Psychology” Hair style affects perceptions of age, health, and attractiveness more than hair color does.
9 citations
,
July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
1 citations
,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
December 2023 in “Frontiers in Medicine” Hair samples can reliably monitor tacrolimus levels in kidney transplant patients.
June 2023 in “Animal Bioscience” Vimentin and transthyretin proteins are linked to black coat color in sheep.
October 2022 in “Southeast Asian journal of health professionals” Hair greying is seen as a sign of aging; temporary fixes like hair dye are used, but a balanced diet and hair care can help manage it.
January 2020 in “Journal of Womens Health, Issues and Care” Scalp micropigmentation is a successful, non-surgical way to make hair look fuller.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
29 citations
,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.
21 citations
,
November 2011 in “Veterinary Pathology” Mouse skin color ranges from pink to black, depending on their hair growth cycle.
12 citations
,
May 2013 in “International Journal of Dermatology” Ethosomes improve black tea extract absorption in hair dye.