Keep lightened hair bright and neutralize unwanted warmth with this blue-violet shampoo. blonde rush tempers and tones brassy tendencies in brunettes and brightens blonde colors while nourishing formulas maintain hair health and vibrancy and adds shine tones and brightens blondes and brunettes. penetrates the cuticle to strengthen damaged hair from the inside. deeply nourishes hair to restore shine, elasticity and softness. - basic blue #99 counteracts a wider spectrum of unwanted brassiness - heals damage and strengthens hair from the inside - adds shine, elasticity and softness - provides weightless moisture without build up - quinoa proteins aid in color pigment protection