Does Melanotan Change Your Hair Color Facts and Effects Melanotan 2 Tanning Peptide Melanotan 2 doesn't just stimulate melanin in your skin, but your hair follicles aswell .. my beard is about 80% darker today, than a month before I started taking melanotan. Guys with Your Guide to Peptides for Hair Growth LIVV Natural Brits buy 17 illegal 'Barbie' tanning injections that 'lead to kidney failure, brain swelling and hallucinations' Here's the part nobody explains when they're selling you the "Barbie drug.", , Melanotan 2 is a synthetic peptide that mimics alpha MSH a hormone your body already makes to tell your skin cells to