Human hair color is determined by melanin types and genetic factors.
March 2026 in “Portuguese Journal of Dermatology and Venereology” Avoid hair dye after microneedling to prevent scalp pigmentation.
6 citations
,
January 1988 in “PubMed” Swimming in pools with high copper can turn hair green, especially if hair is damaged.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
12 citations
,
June 2010 in “Journal of dermatology” Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.
4 citations
,
January 2002 in “Indian Journal of Pharmaceutical Sciences” A new method accurately measures finasteride in tablets using color change and light absorption.
November 2022 in “Journal of Investigative Dermatology” A new molecule was found to be a safe and effective skin lightener and anti-aging product.
2 citations
,
June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
35 citations
,
January 1981
5 citations
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June 2013 in “Fashion business” Rosehip extract improves hair wave, thickness, and color vibrancy.
10 citations
,
January 2016 in “ACG Case Reports Journal” Long-term Cape Aloe use causes harmless colon pigmentation that can help detect polyps.
60 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying a specific inhibitor lightens skin and hair color.
Accurate prediction of eye, hair, and skin color in Latin American populations requires region-specific models and ethical guidelines.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
November 2021 in “CRC Press eBooks” Hair color is determined by melanin and can be affected by genetic conditions like albinism.
January 2024 in “Clinical, cosmetic and investigational dermatology” Dermatologists should customize cosmetic treatments for dark-skinned patients to minimize risks and complications.
8 citations
,
January 2018 in “Journal of Analytical Methods in Chemistry” A new method accurately measures a drug in skin for cancer therapy research.
February 2021 in “Journal of the Korean Society of Cosmetology” Castor oil improves the texture of bleached hair by increasing its strength.
1 citations
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November 2022 in “International journal of trichology” A woman's premature gray hair turned mostly black again after using Greyverse solution and hair supplements for 5 months.
21 citations
,
January 2008 in “Talanta” New, cheaper method measures finasteride in tablets accurately and quickly.
2 citations
,
January 2025 in “Frontiers in Pharmacology” Purple corn extract may help reduce prostate enlargement and inflammation.
November 2021 in “American Journal of Tropical Medicine and Hygiene” Marking nuts can cause skin irritation and allergies.
2 citations
,
March 1942 in “JAMA” 1 citations
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May 2012 in “Clinical and Experimental Dermatology” Iron can be present in hair color changes without overall iron deficiency.
3 citations
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May 2020 in “Annals of the Academy of Medicine Singapore” Hair dye can cause serious scalp issues, including skull erosion.
October 2006 in “Eclética Química” Three methods accurately measure finasteride in tablets using dyes and bromate-bromide.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
6 citations
,
December 2013 in “Journal of Cosmetic Dermatology” Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.
3 citations
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January 2019 in “Electronic Imaging” The device accurately estimates natural hair color at the roots in real time.