This highly concentrated purple conditioner nourishes and strengthens as it hydrates and tones from scalp to ends without weighing hair down at the roots. No.5P evenly neutralizes brassy hair and yellow tones for brighter, smoother, visibly healthier blond hair, gray hair, or highlighted hair with every use. Effective for natural and color-treated hair. Clinically Proven 91% agree hair was less brassy* 89% smoother after one use** 52% less breakage after one use** *Based on an independent consumer perception study of 60 women with bleached/color-treated blonde hair. **After 1 use when used as a system, clinically tested. Results With One Use *Results may vary. Results achieved by cleansing with N°.4P Blonde Enhancer Toning Shampoo, conditioning with N°.5P Blonde Enhancer Toning Conditioner, and applying N°.9 Bond Protector Nourishing Hair Serum to damp hair before styling. KEY BENEFITS ? Neutralizes brassiness for brighter hair ? Hydrates, smooths, and adds shine ? Strengthens and deta