Olaplex | No 4P Blonde Enhancer Toning Shampoo + No 5P Blonde Enhancer Toning Conditioner Duo [8.5 oz]

Leave dull, dry, brassy blondes and greys in the past. The future of blonde is high-def brightness and soft, shiny, hydrated hair. No 4P + No 5P Blonde Enhancer Toning Shampoo + Conditioner is formulated with micro-fine pigments in a root-to-tip formula that locks in allover brightness, neutralizes yellow tones, and nourishes every inch without weighing hair down at the roots.