Pharmacological Activation of the Melanocortin System Limits Plaque Inflammation and Ameliorates Vascular Dysfunction in Atherosclerotic Mice Arteriosclerosis, Thrombosis, and Vascular Biology Melanotan II is a synthetic peptide developed with the original scientific goal of stimulating the body's natural melanin production. Researchers explored it as a potential way to help protect skin from UV Melanotan II Skin Pigmentation & Libido Really dangerous' tanning products containing melanotan 2 on the rise warns dermatologist Express.co.uk