Help restore damaged or colour-treated hair when you use this PRO:VOKE ILLUMINEX Touch of Silver strengthening purples shampoo. The unique formula is designed for blonde, white and grey hair, featuring purple and blue pigments to minimize brassy and yellow tones. A sulfate-free format offers a gentle touch, and AquaPlex technology delivers nourishing hydration to prevent dryness and strengthen your strands. This PRO:VOKE ILLUMINEX Touch of Silver strengthening purples shampoo works to restore shine for a smooth, silky look.