Your face is covered with cookie crumbs, but don’t brush them off! They could be the basis of some rad mascara. At the age of 16, Katherine Ward is already a skilled makeup artist who improvises with materials at hand. To make mascara from Oreo cookies, she first removed the filling, crushed the cookie ends into a fine powder, then mixed in water and a facial primer. Do that and you’ll be ready to look sharp. Downside: you have fewer cookies to eat.