Matrix Total Results Dark Envy Shampoo, Neutralising Green Shampoo for Dark Brunette Hair. A highly concentrated green formula that neutralises unwanted red tones while enriching with deep cool tones. Works on both coloured and natural dark bases. Use Shampoo every other day for cool effect. System consists of shampoo for neutralisation and conditioner for hydration and radiance. Neutralises unwanted red tones, leaves Brunettes with depth & cool glossy finish.