It won't come off until you wash it out.
11oz Safe, secure, and undetectable as close as two inches away.A few shakes of Toppik above your thinning areas will disperse thousands of tiny hair-like fibers that match your existing hair color, and grip on to conceal thinning and create a more natural-looking, thicker, fuller head of hair. Size:0.It's great for both men and women.