Love Island generation' skin cancer fear PDF) Use of melanotan I and II in the general population Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun 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, Could users of new drug be dying for a killer tan? thv11.com