Melanotan 2 (MT2) for Research: High Purity Peptide VivePeptides 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 Avoid those tanning injections! Amy Jayne Aesthetics Imagine just wanting to be jacked and tan and you end up like this? Melanotan II is a peptide that increases the melanin in your skin and can give men a boner that