Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn I accidentally undid years of skin work and didnt realize it until it was too late., At the beginning of November, I started taking melanotan 2 and honestly?, I loved it., My tan deepened Melanotan peptide might seem like the cool thing to doit makes you look tan., But these unregulated injections come with real risks., They can cause unpredictable skin changes, including darkening of Melanotan What It Is and Its Relation to Skin Cancer Is this injectable tanning drug safe to use? Don't risk using tanning products containing melanotan Therapeutic Goods Administration (TGA)