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 Melanotan 2 (@melanotanii) Facebook Melatonin 2 Tan Before and After TikTok Figure 4 from Changes of melanocytic lesions inducedby Melanotan injections and sun bed use ina teenage patient with FAMMM syndrome Semantic Scholar Nexa Med Spa Medical Aesthetics, Weight Loss & Sexual Health in Greenwood IN & Winter Park FL Melanotan II PERMANENTLY Darkened My Skin!