Melanotan: A tanning peptide that stimulates melanin production. Used for UV protection and even skin tone, it may offer benefits like reduced sun damage risk and appetite suppression, helping patients achieve a What is Melanotan II, the drug that consumers are urged to avoid? Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn The Role of Melanotan Peptides in Sun Damage Protection: Mechanisms and Efficacy Age Well ATL You Should Avoid Using Nasal Tanning Sprays