Melanotan II is being used for the purposes of sunless tanning and appetite suppression, but president of the Australasian Society of Cosmetic Dermatologists, Dr Greg Goodman, says the substance is dangerous, illegal 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 Peptide Dosage Protocols Full List PeptideDosages.com Melanotan Tanning Injections The Low Down Lynton Lasers