Dangerous' tanning products promoted by influencers Melanotan II Peptide Australia MT 2 Research Grade Pept 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 Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan II an overview ScienceDirect Topics