Knock the brassy tones out of cool blonde and grey hair with the sulfate free joico colour endure violet conditioner a gentle and effective violet toned formula when your perfect blonde shade starts to creep toward the warm end of the spectrum this tinted shampoo will bring it back again bestowing an icy hue that banishes oxidised yellowing and keeps your hair looking fresh it also maintains the integrity of grey hair ensuring it looks bright and beautiful the multi spectrum defense com