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, Melanotan peptide might seem like the cool thing to doit makes you look tan., But these unregulated injections come with real risks., They can cause unpredictable skin changes, including darkening of Melanotan What It Is and Its Relation to Skin Cancer Melanotan I (MT I) MCR Agonist MedChemExpress Melanotan ii hi res stock photography and images Alamy Melanotan & Tanning Injections: Safe or Risky?