Tanning from the inside out = Highly Dangerous and Illegal! Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such The weight loss drug Melanotan 2, also known as the Barbie drug, has taken social media by storm. Melanotan 2 is widely promoted online, despite it being illegal and dangerous in the UK., Nasal Tanning Sprays: Illuminating the Risks of a Popular TikTok Trend MDedge Melanotan What It Is and Its Relation to Skin Cancer Nasal tanning sprays contain Melanotan II which is banned in the UK and some users have been hospitalised. We would urge residents not to use these products. Melanotan What It Is and Its Relation to Skin Cancer