66 citations,
February 1985 in “Archives of dermatological research” Hair dyes penetrate the scalp very minimally, less than 1%.
22 citations,
January 1968 in “THE JOURNAL OF VITAMINOLOGY” α-Tocopheryl acetate is well absorbed through healthy skin.
45 citations,
August 2010 in “Hormone Molecular Biology and Clinical Investigation” Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
[object Object] 11 citations,
January 2015 in “Skin pharmacology and physiology” Eating collagen peptides may help with skin and hair growth.
15 citations,
February 2015 in “Han-gug chugsan sigpum hag-hoeji/Korean journal for food science of animal resources” Egg shell membrane hydrolysates can reduce wrinkles and improve skin health.