Mix with Koleston Perfect Crème Developer 1.9% or 4% in a ratio of 1:1 up to 1:2 in a non-metallic bow.
If there is contact with the scalp (global or root application), use a 6% activator as a maximum.
Apply the bleaching mass evenly to the unwashed hair. The development time depends on the condition of the hair and the desired blonde. Carefully check hair every 5–10 minutes during process. The maximum total development time is 50 minutes.
FIRST TIME APPLICATION:
First, apply to mid-lengths and ends, then finish by applying to the root area.