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 Don't risk your health for a summer glow! Tanning nasal sprays are creeping onto the UK market, particularly on online and lack of regulation means they are a significant risk to your Young people targeted online by sellers of 'dangerous and illegal' tanning products, HPRA warns Irish Independent Emerging Threat: Melanotan, Repackaging, and Online Sales Melanotan What It Is and Its Relation to Skin Cancer