Double sided for thin or thick hair If You Have thin Hair, cut the Delicate Parts. If You Have Thick Hair you can cut a lot quickly. Great for shaping and cutting hair It is modern hairdressing appliance for easy and convenient use at home Regular size Double Edge Razor Blades How to use? Sprinkling water on the hair will make cutting a lot easier. (Please be sure to use vinyl or cloth to prevent cut hair from sticking to your clothes or skin). When cutting on lay partially, hold your hair with your index and middle fingers and cut it. When you change blades, please push your thumb toward the open direction. Stainless blades will be better for a better shave.