Wella Koleston Permanent Creme Hair Colour - 6/0 Pure Naturals, 60ml PACK OF 3
Koleston Perfect Base and Welloxon Perfect (1:1). Mix ratio: Brightening by three-tone levels: 1 part Koleston Perfect, 1 part Welloxon Perfect 12%. Brightening by two-tone levels: 1 part Koleston Perfect, 1 part Welloxon Perfect 9%.