Melanotan What It Is and Its Relation to Skin Cancer 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 Australia's health regulator has issued an urgent alert against Melanotan a dangerous tanning product. "This stuff that people are getting is unlicensedand off the black market." Dr Greg Goodman Melanotan II 99%+ Pure Peptide Amino Club Amino Club Self Tanning 150 Capsules Protein.com UK