Melanotan II: Benefits and Unexpected Lip Darkening TikTok Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Let's talk about a really fun peptide that I call the vacation peptide you'll understand why after you read this! Melanotan 1 and 2 are basically just tanning peptides with fun TanTrap Melanin Max Platinum Nasal Spray Tanning