Caution: Don't use it too hard** This crystal hair remover can be used on arms, legs, back and more, which can be used as a tool to remove dead skin. It is recommended not to use on sensitive areas, such as: underarms, bikini, cheeks, chest, etc. Convenient Cleaning & Reusable: Crystal Hair remover is easy to clean, you just need to rinse it with water after each use. You can also use this product after your skin has soaked in water. Small and portable, no need to charge, can be reused for up to 3 years. Fit to Any Part of the Body: Safe to use on knuckles, arms, legs, chest, back and more. If you have sensitive skin, It's better to try it on your arms or legs first before you use it on other parts. However, we recommend against excessive friction or overuse. Painless & Easy to Use: Simple and convenient to use, say goodbye to traditional hair removal methods, suitable for all skin types. If your skin feels uncomfortable, try mixing it with water or cream to reduce skin irritation. Crystal Hair Eraser Instructions: ?Soak skin with warm water before use. ?Dry your skin. ?Simply rub hair eraser to your skin in a circular motion. If you are tired of razor cuts, painful waxing, or expensive lasers, our Crystal Hair Eraser is a good choice!.Date First Available: February 2, 2023. Best Sellers Rank: #135 in Industrial & Scientific. Customer Reviews: 4.7 out of 5 stars 7,955 ratings 4.7 out of 5 stars. : B0BTNW8ZKM. Manufacturer: RIOUSV. Item Weight: 5.3 ounces. Package Dimensions: 3.43 x 3.39 x 1.42 inches.