Three-dimensional arched blade: The contact surface is round and smooth to protect the sensitive nasal mucosa. The surface of the three-dimensional arched blade has no obvious edges and corners, and it feels smooth. It is not easy to scratch the nasal mucosa, and it easily fits the inner wall structure of the nasal cavity, which is conducive to fully capturing nose hair. High-speed constant pressure operation, neat trimming without pulling, fast cutting without pain, double-edged blade with 6000 rpm high speed, constant pressure operation throughout the whole process, the speed is always stable, fast and accurate capture of messy nose hair, and eliminate the phenomenon of pulling nose hair.