What is a nasal tanning spray? How does it work? It acts on the pituitary goand in your brian to mimic sun exposure! Stimulating melanocytes, increases the risk of a melanoma, but there are other 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 Paying through the nose: We reveal health risks from popular nasal tanners No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky