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 5 days progress. I've been taking 250mcg of Melanotan II and tanning for 10m outside daily. It's working Tighter in the hamstrings, glutes are still holding all of my fat so The Truth About Melanotan: Tanning Peptide or More? Reacting to TikTok Melanotan Nasal Spray Challenge No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky Peptides are often pitched as a quick way to build muscle, heal injuries or appear younger. But most peptides have not been reviewed for safety by the FDA.