Painless & Simple to operate simply rub for your use skin in a circular motion for a hair, Free body! this process also revealing baby, Helps exfoliate smooth skin after use. Eco, Friendly and reusable crystal hair, Using nano, Crystalline technology eraser allows the hairs to clump and break from the surface when rubbed gently on the skin. No refills or recharges are required along with it being reusable for As many as 3 years. Slows hair growth designed to slow hair regrowth in just a couple of sessions. We recommend usage on dry or damp skin after a shower. Using simply rub, Moderate pressure the crystal hair eraser on the desired area in circular motions. Apply to any a component of the body crystal hair eraser is user-friendly and secure on knuckles, Arms, Legs, Chest, And back.