Is this injectable tanning drug safe to use? 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 Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan A Golden Tan Without the UV Damage. in Gilbert, AZ LifeSpann Primary Care & Esthetics Rise in use of 'dangerous' tanning injection Channel 4 News 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