Nano Crystal Hair Removal: Using nano-crystallization technology, the magic crystal hair eraser causes hair to clump and fall from the surface when gently rubbed against the skin. Physical hair removal stone. No refilling or recharging required. Can be reused for up to 5 years. Painless and easy to use. Skin irritations, ingrown hairs, and razor bumps are now a thing of the past. Hair removal with the hair eraser is more comfortable, healthier for your skin, and completely cut-free. Simply rub it on your skin in circular motions to achieve a hair-free body. It helps exfoliate, revealing baby-smooth skin after use. Slow Hair Growth: Slow down hair regrowth in just a few sessions. We recommend using it on dry or damp skin after showering. Perfect for all skin types. This hair removal tool is made of high-quality materials, has a smooth surface, is safe and reliable, and can be used with confidence. 100% chemical-free. Can be used without additional lotion/shaving cream. Apply all over the body. Crystal Hair Eraser is safe to use on ankles, arms, legs, chest, and back. However, we recommend not using too much or rubbing too hard. If you have sensitive skin, try it on your arms/legs before using it elsewhere.