Melanotan II Self Tanner Dark Skin Sun Tanning Spray Tanning Nasal Spray Melanotan II and Mt 2 Tanning Spray Nasal price Dermatologist Explains: Melanotan 2, SPF Oils, and More! Melanotan Altmeyers Encyclopedia Department Dermatology Love Island generation' skin cancer fear 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 Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn