Melanotan II an overview ScienceDirect Topics Stop Taking Melanotan II Dermatologist Breaks It Down Melanotan II Safety: Tanning Injection LIVV Natural Lets look at sunless tanning, ., Firstly theres the injections and nasal sprays which typically have an active ingredient called melanotan. This is a synthetic compound that stimulates the 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