What exactly is Melanotan and how does the tanning solution work? 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 Using Melanotan to Prevent Polymorphous Light Eruption aka SUN POISONING Natural Kaos Melanotan Ii Ac nle cycle[asp his d phe arg trp lys] nh2, 1024.2 Molecular Weight Enhance Sexual Desire, Induce Skin Tanning, Minimal Side Effects at Best Price in Florida City Cuadro Ltd.