Use Wella Color Touch 66/45+ 1.9% from base to 2-3 inches down the shaft. Take diagonal-back sections starting at the nape and appy 3/4 oz 77/45+ 1/4 oz 0/00+ 1.9% to mid shafts leaving 2-3 inches of ends out (use brush vertically to melt sections together), separating with perforated seran wrap sheets. Apply 20 vol + Blondor to ends. Continue working diagonally back up the head to the top. After 20 min, shampoo and tone with Color Touch Relights /34 for 15 min.