MaterialStainless steel mesh fits your skin perfectly, works perfectly without hurting your skin, allowing you to have a good experience Use time and blade sharpness The unique reciprocating blade has a break-in period in the early stage. If you feel like shaving is taking longer, that's normal! He only gets sharper with more use! This product uses stainless steel mesh to extend the service life of the blade, it is recommended to replace the new blade within 12 months