Designed for cool blondes and grey hair, this concentrated violet ash booster is powered by bond complex & acai.

An ultra-concentrated violet/ash pigment for neutralizing orange/yellow tones. When added to the Purple Shampoo and Purple Conditioner, it enhances the effects of the anti-yellow routine for ultra-natural cool blonde, white or grey hair. It can also be used to enrich the Yellow Professional technical or care services.