Bio'l - Blue Decolor
Considering the direction inside the bucket, BIol blue bleaching powder lightens your hair up to 7 or 8 levels. With its nature-infused formula, this bleaching powder provides the best dust control which is a key factor regarding safet.
How to Use:
To lift up to 7 levels, mix the product with two times Biol 20vol oxidant, let it stay on the hair for 30 minutes.
To lift up to 8 levels mix with two times Biol 30vol oxidant, let it stay on the hair for 30 minutes.