No shaving required: This hair removal device is made of high-quality glass, which is gentler on the skin than traditional crystalline hair removal devices with razor blades. Slows down hair growth: This latest hair removal device provides gentler, painless physical hair removal. Hair growth can be slowed down after just a few uses. Reusable and washable: The crystalline hair removal device is easy to clean; simply rinse with water after each use. It is small and portable and requires no charging. Easy to use: With this painless hair removal device, simply gently massage the skin in circular motions for instant baby-soft, smooth skin. It is recommended to apply a cream after using the crystalline hair removal device to reduce skin irritation. Wide applicability: Our nano hair removal device can safely and painlessly remove hair from ankles, arms, legs, chest, and back. This hair removal device is not suitable for sensitive areas or the face.