Hydrogen peroxide is what we call hydrogen peroxide. It is a strong oxidant. What is mentioned here should be used for hair dyeing and perming. Generally, hair dyes include one-wash black, one-comb black, etc. The purpose of hydrogen peroxide is to open the cuticles of the hair. However, this ingredient is highly irritating and corrosive and can damage the hair. Frequent use is not good for the human body.