Clinically important side effects of Melanotan II and placebo Download Table Tanning Nasal Spray: Should You Skip It? What is Melanotan 2? Honest Peptide Targeting melanocortin receptors: an approach to treat weight disorders and sexual dysfunction Nature Reviews Drug Discovery 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