Melanotan II Wikipedia This guy injected himself with a drug called Melatonan II for 5 months. Here's his before after. : r pics It doesn't take much to fall down the Barbie Drug rabbit hole. In self tanner subreddits and on TikTok Shop, the tanning injectionaka Melanotan IIis marketed as a self tanner alternative that works by 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 Melanotan II Results (With Before And After Pictures) The Tanning Drug