16 citations,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
15 citations,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
3 citations,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
June 2024 in “Molecules/Molecules online/Molecules annual” Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.
138 citations,
July 2015 in “Clinical, Cosmetic and Investigational Dermatology” Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.