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 Avoid those tanning injections! Amy Jayne Aesthetics Barbie Drug: TikTok warning on snorting Melanotan Herald Sun Nitisinone increases melanin in people with albinism National Institutes of Health (NIH) Melanotan & Aesthetics: What You Must Know Rejuvience Med Spa