Man warns against 'dangerous' tanning injections after turning so dark he 'looked like Madge from Benidorm' and now has the freckled skin of a 60 year old 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 Youth Beauty Limited