Rise in use of 'dangerous' tanning injection Channel 4 News Melanotan II nasal spray: a possible risk factor for oral mucosal malignant melanoma? ScienceDirect What is Melanotan 2? Honest Peptide 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 SYNTHETIC MELANOTROPIC PEPTIDE INITIATES ERECTIONS IN MEN WITH PSYCHOGENIC ERECTILE DYSFUNCTION: DOUBLE BLIND, PLACEBO CONTROLLED CROSSOVER STUDY Journal of Urology Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn