No.5P Blonde Enhancer™ Toning Conditioner is the first purple conditioner with patented OLAPLEX Bond Building Technology™. The nourishing formula, which conditions hair from roots to ends, provides intense shine and neutralizes unwanted yellow tones, while moisturizing hair without weighing it down. OLAPLEX Bond Building Technology™ strengthens blonde and gray hair.Neutralized yellow cast and shine from roots to ends.Gives weightless smoothness and combabilityStrengthens for healthy-looking blonde and gray tonesCLINICAL STUDY RESULTS: No.5P is clinically proven to, after just one application:- smoothes- strengthens- Reduces yellow castClinically proven color safe.RESULTS OF CONSUMER ADVOCACY STUDY: No.5P BLONDE ENHANCER™ TONING CONDITIONER.- 87% agree that the yellow tint in the hair had decreased- 87% agree that the tone evened out- 81% noticed a restoration of brightness and shine*.No.4P + No.5P SYSTEM91% agree that the yellow tint in the hair had diminished*.*Based on an independent