27 citations,
May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
72 citations,
January 2001 in “Drugs” Minoxidil and finasteride treat hair loss; more research needed for other options.
22 citations,
August 2019 in “Environmental research” Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.
349 citations,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
49 citations,
August 2003 in “Journal of The American Academy of Dermatology” Higher IGF-1 levels in hair follicles link to better finasteride results for hair loss.