The Tanning Drug What Patients Should Know 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 PDF] Melanotan Induced Hyperpigmentation of Oral Soft Tissues Semantic Scholar Clinically important side effects of Melanotan II and placebo Download Table Melanotan II Erectile Dysfunction: What the Evidence Shows and Practical Considerations Is this injectable tanning drug safe to use?