Melanotan II: Tanning injections, nasal sprays harmful to health 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 Martina Big, 36, who is from Germany, and her husband Michael Eurwen, 38, who both injected Melanotan, a synthetic hormone to darken their skin have announced that they are planning to permanently Melanotan II: Tanning, Sexual Health Benefits, & Safety Concerns Dangerous' tanning products promoted by influencers