Dangerous' tanning products promoted by influencers The "Barbie Drug" Has a Dark Side 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 The Risks Behind Tan Booster Injections & Nasal Sprays 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 50 Weeks on Melanotan2. Used to be Type 1 and never able to tan. Have never felt better! Beard color change is epic : r Melanotan2