It stands to reason that it is possible. It can bleach dyed clothes.

The main component of bleaching liquid is sodium hypochlorite, which is a bleaching agent that releases active chlorine. It is also called "chlorine bleach" and "bleach". Its main functions are bleaching, decontamination, sterilization, etc.

Certain proteins such as blood stains and sweat stains, and pigments such as juice, tea juice, coffee and other special stains, are like direct dyeing to fibers. The resulting stains cannot be washed away with ordinary detergents and bleach stains The strong oxidation of the liquid can rupture these pigment molecules and turn them into small molecules invisible to the naked eye, making the fabric white and bright.

Improper use of bleaching water will destroy the color and fiber of the clothes. It must be diluted before adding the clothes for bleaching and bleaching.