Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2. Warning issued over increased use of 'Barbie drug' HPRA Warns of Dangerous Melanotan 2 in Tanning Products Obelis Group 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 What It Is and Its Relation to Skin Cancer Say No to Nasal Tanning Sprays Dermatology Times