Disposable razor edge

The utility model discloses a disposable razor edge which comprises cutter edges, wherein one side of each cutter edge corresponding to a cutter opening is provided with a positioning slot; the cutter edge is also provided with non-skid pad layers which are arranged on both surfaces of the cutter edge; the cutter edge provided with the non-skid pad layers is enclosed in a bag, and the circumference of the bag is provided with breaking lines. The utility model has the advantages that each cutter edge provided with the non-skid pad layers is independently enclosed in each paper bag, and the sanitation of the cutter edge is ensured; when the utility model needs to be used, the paper on three sides except the paper on the side of the cutter opening is torn out along the breaking lines on the paper bag, and then, the cutter edge is fixedly installed on a cutter frame; after the installation is completed, the paper in the position of the cutter opening is torn out along the breaking lines on the paper bag, and in such a way, disposability of each cutter edge can be ensured and the disposable razor edge can prevent hands of a beautician from being scratched when the cutter edge is installed.