Melanotan II Erectile Dysfunction: What the Evidence Shows and Practical Considerations Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan What It Is and Its Relation to Skin Cancer Melanotan II A Sun Kissed Look, and a Confident You. Man warns against 'dangerous' tanning injections after turning so dark he 'looked like Madge from Benidorm' and now has the freckled skin of a 60 year old