Sun and Skin: From Burns to Melanoma, What Every Clinician Needs to Know and Share 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 longer lasting than Melanotan What It Is and Its Relation to Skin Cancer Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotanassociated melanoma in situ Ong 2012 Australasian Journal of Dermatology Wiley Online Library