Diamond Hair Bleach 500g

High-performance professional bleaching powder that lightens up to 7-9 levels, helping to protect the hair fiber and neutralize yellowish tones thanks to blue pigments. Use: Mix 1 part powder + 2 parts oxidant in a non-metallic bowl. Apply to dry, unwashed hair. Leave on for 20 to 50 minutes, monitoring the process. Rinse thoroughly with water and wash with a mild shampoo.