"I have dermatographia, a condition in which one’s immune system exhibits hypersensitivity, via skin, that releases excessive amounts of histamine, causing capillaries to dilate and welts to appear (lasting about thirty minutes) when the skin’s surface is lightly scratched. This allows me to painlessly draw patterns and words on my skin, which I then photograph."
Her show, Dressing, is at Magnan Projects at 317 10th Avenue, in Manhattan, until May 16th. I am going to go next week.
Watch Ariana on ABC News last year.