That quick tan injection is NOT worth the risk., Melanotan peptide injections stimulate pigment cells, and its use has been linked to rapid changes in moles, including the potentially fatal skin How to Give Yourself a Subcutaneous Injection Using a Prefilled Syringe Memorial Sloan Kettering Cancer Center Melanotan: Get a Real Tan with a Peptide Revitalyze MD Melanotan is trending again. As a dermatologist, I strongly need to tell you , Its an unapproved injectable peptide, and were seeing:, nausea and flushing, darkening of existing moles,