PURPOSE: To produce the titled bleaching agent composed of the acidic creamy A pack containing H2O2 and the alkaline creamy B pack, giving a mixture having a specific consistency index and pH when the A pack is mixed with the equal amount of the B pack, and applicable easily without causing dripping.

CONSTITUTION: The objective bleaching agent for useless hair is composed of the creamy A pack containing 2W4wt% H2O2 and having a pH of 3W4.5 and a consistency index of 380W500 and the creamy B pack having a pH of 8W10 and a consistency index of 380W500. Most of conventional two-pack type bleaching agent gives a pH value of about 10 after mixing the A pack with the B pack. Contrary to the above, the pH of the present bleaching agent is 7.8W9.8 after mixing to prevent damage of the skin. The consistency index is selected to 380W 500 which is the optimum range to impart excellent applicability to a cream. The present bleaching agent is creamy, applicable without dripping, and suitable solely for the bleaching of useless hair.