Regrowth Pre-color: Koleston Perfect Special Blonde 12/61 + 12/0 + 12% Welloxon
Formula A: Color Touch 10g 9/0 + 10g 10/3 + 1g 8/43 1.9% Color Touch Emulsion
Formula B: Color Touch 10g 9/0 + 10g 9/3 + 2g 8/43 1.9% Color Touch Emulsion
Formula C: Color Touch 5g 9/3 + 5g 8/43 + 5g 8/0 + 1g 0/34 1.9% Color Touch Emulsion