Figure 4 from Changes of melanocytic lesions inducedby Melanotan injections and sun bed use ina teenage patient with FAMMM syndrome Semantic Scholar Tanning Nasal Spray: Should You Skip It? Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn 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 Love Island generation' skin cancer fear