Nasal tanning sprays and oral tanning drops are often marketed as quick fixes for glowing skin but these products are unregulated in the UK, with unknown ingredients, dosing, and formulation. They have Fresh warning for 'Barbie drug' Medical Republic HPRA Warns of Dangerous Melanotan 2 in Tanning Products Obelis Group Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of Melanotan II A Sun Kissed Look, and a Confident You.