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 Melanotan What It Is and Its Relation to Skin Cancer Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Meet Melanotan II (aka Melanin 2) Peptide Think of this peptide as your sun kissed secret weapon. Melanotan II works by gently stimulating your body's natural melanin productionthe pigment that gives Lipo C with B Vitamins Waterloo Peptides (PC)