SCHWARZKOPF Fiberplex Powder Bleach 450g Protects and strengthens the inside of the hair to reduce damage. Rather than simply repairing dryness, breakage, or roughness caused by damage, this product supports your hair by strengthening and protecting it from within, helping it become more resistant to future damage. Dicarboxylic acid firmly bonds to the hair’s internal fibrils, shielding the hair from oxidative damage. How to Use: Mix Fiberplex Powder Bleach with Igora Oxidant 6% at a 1:2 ratio. Blend the Fiberplex Powder Bleach and Igora Oxidant 6% thoroughly using a dye brush. Be sure to use a non-metallic bowl such as plastic. A pre-shampoo is generally not required. Processing time is 10–45 minutes. Adjust according to the hair condition and the desired level of lightness. Once the desired lightness is reached, rinse thoroughly with lukewarm water. Finish with shampoo, treatment, and your usual aftercare.