Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of FDA Fast Facts Frontiers The melanocortin receptors as targets for general obesity: contextualizing clinical failures and analyzing future perspectives Australia's Therapeutic Goods Administration is urging consumers to not use tanning products containing a synthetic peptide called 'Melanotan'. The drug can cause serious side affects, such a kidney failure, chest pains, acne,