What is Melanotan II the drug that the TGA urges consumers to avoid? Can You Take Too Much Melanotan? A Z Guide 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 Australia's health regulator has issued an urgent alert against Melanotan a dangerous tanning product. "This stuff that people are getting is unlicensedand off the black market." Dr Greg Goodman You Should Avoid Using Nasal Tanning Sprays