Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically 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 Andrew Huberman discusses the risks and benefits of melanotan, a peptide that can dramatically increase energy and libido, but also carries serious health risks. >> See comments PDF) Increasing illegal use of Melanotan: The Barbie drug hype Background