There are currently no FDA-approved drugs to treat vitiligo, an autoimmune disease that kills skin pigment cells. But a phase III study of a drug used to treat atopic dermatitis may be the first to get the FDA seal of approval.
From ancient medicines to equipping humans with new senses, tattoos are more than just permanent marks on the skin. They may boost immune function, and they have the potential to effectively deliver therapeutics through the skin.