To provide a blade containing multi-element minerals which improves the cutting capability and durability of blade parts with the action of negative ions generated from the multi-element minerals and additionally can promote the soundness of hair bodies and skins by obtaining the cluster phenomenon of water (a force for reducing molecular blocks of water) with the action of the negative ions to activate proteins of the hair bodies (head hairs and beards) and skins (head and face skins) in razors for hair dressing and beauty treatment.

In the blade which has a holder part 2 provided at the tip of a grip part 1 to allow a replacing blade 3 to be detachably mounted on the holder part, the edge part 30 of the replacing blade is made to contain multi-element mineral components.