12 citations,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
15 citations,
November 2015 in “Pharmacopsychiatry” α-Blockers and 5-ARIs for BPH can cause sexual dysfunction, including erectile and ejaculatory issues.
66 citations,
October 1999 in “Annals of the New York Academy of Sciences” The Skin POMC System affects hair growth and skin responses to stress.