Afamelanotide tested as a new treatment for vitiligo Vitiligo Clinic 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 Melanotan What It Is and Its Relation to Skin Cancer What Happens When You Combine Melatonin and Alcohol? Learn More PDF) Association of tanning injection with hypercortisolism, hyperglycaemia and ketosis in type 1 diabetes mellitus