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 Nitisinone increases melanin in people with albinism National Institutes of Health (NIH) How melanotan changed the color of my hair permanently YouTube Melanotan II for Radiant Skin Dr. Joerg Schuller Melanotan & Aesthetics: What You Must Know Rejuvience Med Spa Tanning Nasal Spray Mt2 Nasals Skin Tanners Melanotan 2 Tanning Nasal Spray Melanotan 2 and Skin Tanners Melanotan 2 price