11 citations
,
January 2016 in “Evidence-based Complementary and Alternative Medicine” Rice bran extract can increase melanin production and may help treat melanin deficiency.
August 2026 in “The Chittagong University Journal of Science” Some herbal hair oils in Bangladesh meet standards, but others need better quality control and storage.
2 citations
,
June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
15 citations
,
December 2015 in “Textile Research Journal” Adding amber particles to polyamide fibers makes them suitable for medical textiles like compression socks.
10 citations
,
September 1994 in “International Journal of Dermatology” Three Iranian men had reddish-brown facial pigmentation with no effective treatment.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
18 citations
,
April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
6 citations
,
December 1989 in “Journal of the American Academy of Dermatology” Minoxidil lotion can cause hair discoloration.
22 citations
,
November 2010 in “Toxicological & Environmental Chemistry Reviews” Smokers and people with dyed hair have higher levels of certain metals in their hair.
2 citations
,
January 1973 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Brown skin in guinea pigs has more ascorbic acid and related enzymes, black skin uses ascorbic acid well, and white skin has the most protein.