Nasal tanners claim to work by using Melanotan II, a chemical that darkens skin pigmentation. It is illegal to sell medicinal products containing Melanotan II in the UK but since the tanners are sold Melanotan Tanning Injections The Low Down Lynton Lasers Warning issued over increased use of 'Barbie drug' My video about the dangers of tanning nasal sprays and sunbeds went viral on TikTok and the reaction it received is terrifying Dr Sophie Shotter No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky