It doesn't take much to fall down the Barbie Drug rabbit hole. In self tanner subreddits and on TikTok Shop, the tanning injectionaka Melanotan IIis marketed as a self tanner alternative that works by Glowup shortcuts are trending again, but doctors say the Barbie drug comes with real medical red flags. Unregulated, unapproved, and could have serious sideeffects is any tan worth that risk?, Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian Melanotan What It Is and Its Relation to Skin Cancer