Melanotan 1 Reviews, Clinical Trials, and Safety Pharmacological Activation of the Melanocortin System Limits Plaque Inflammation and Ameliorates Vascular Dysfunction in Atherosclerotic Mice Arteriosclerosis, Thrombosis, and Vascular Biology Australians who use tanning products containing 'melanotan' are at risk of serious health problems. These products include nasal sprays and other injectable and ingestible tanning products, and are being illegally promoted and It contains vitamin C and kojic acid, so you may feel slight tingling after applying thats normal. If you have sensitive lips, better avoid it., Use it only in your PM routine, and dont skip a lip