For strong and lasting bleach. You can use it to bleach the whole hair or individual streaks. 

Instructions for use: After you make a standard test for sensitivity, put on the gloveand pour all the powder into a non-metallic container. Open the cap of the bottle with the oxidant and pour it in small portions onto the powder and at the same time stir the mixture until it homogenizes and rises. Apply the mixture to your hair with a brush. Leave the mixture so greased for at least 10 minutes, and not more than 40 minutes. The time required for bleaching the hair depends on the hair structure and on the desired degree of bleaching. Then rinse thoroughly with water.

• 24 g blue bleaching powder in packet, 80 ml oxidant 12 % , a high-quality glove