Man warns against 'dangerous' tanning injections after turning so dark he 'looked like Madge from Benidorm' and now has the freckled skin of a 60 year old Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report 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 longer lasting than Melanotan 2: 10 mg for Research UK SARMs