Melanotan is trending again. As a dermatologist, I strongly need to tell you It's an unapproved injectable peptide, and we're seeing: nausea and flushing darkening of existing moles Is Your Mole a Cause for Concern? About Moles Types, Warning Signs, Causes, and Prevention Melanoma Nemours KidsHealth How I permanently removed my freckles and moles Melanotan & PicoWay Laser Afamelanotide tested as a new treatment for vitiligo Vitiligo Clinic