October 2017 VOL. 14, ED 3. by PeningtonInstitute Issuu Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically 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 Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA)