Dangerous' tanning products promoted by influencers BBC News Love Island generation' skin cancer fear Tanning from the inside out = Highly Dangerous and Illegal! Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun PDF) Use of melanotan I and II in the general population 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,