Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan II 10mg Research Peptide Australian Peptide Store Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA) Melanotan II an overview ScienceDirect Topics 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 Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun