Wella Multi-Blonde Powder
Mixing Recommendation Mix with Koleston Perfect Crème Developer 1.9% or 4% in a non-metallic bowl. Mix in a ratio of 1:1.5 up to 1:2, e.g. 30 g powder + 45 ml Koleston Perfect Crème Developer. If there is contact with the scalp (global or root application), use a 6% activator as a maximum. Application & … Read more