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 Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News MT II or tanning beds??? #health #wellness #peptide #tanning #science Melanotan What It Is and Its Relation to Skin Cancer Tanning from the inside out = Highly Dangerous and Illegal!, Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such as injectable