Steps to useStep 1: Soak the feet completely to soften the keratin, then dry the feet. It can also be used after bathing.Step 2: Choose the roller based on your preference and buff it from the forefoot to the heel.Step 3: After the sanding, clean your feet and apply some moisturizer.Step 4: Rinse the machine with a brush and water, dry it and store it in a cool and dry place.NoteIt is recommended to use 1-2 times a week and not stay in the same area for more than 3 seconds.This product was specially developed for dry and rough skin on the feet or heels. Do not use it on any other part of the body.To extend the life of the product, do not immerse the machine completely in water during the cleaning process.Easily live on the dead crust on your feet.Two speed levels for different skin types and parts.Stylish ergonomic design with an LED screen.High quality lithium battery can be used for a long time, USB charging, environmental protection and convenient.IPX7 has high water resistance and can be washed all over the body.Complete auxiliary equipment, high quality gift packaging.If you have any questions, please contact us in time, we will reply and solve the problem for you within 24 hours.