OLAPLEX N4P Blonde Enhancer? Toning Shampoo ? 250 ml / 8.5 fl oz Keep your blonde, lightened, or gray hair bright?not brassy. OLAPLEX N4P Blonde Enhancer? Toning Shampoo is a highly concentrated purple shampoo that cleanses, tones, and helps repair with patented bond-building technology. Violet pigments instantly neutralize yellow tones while the pH-balanced, sulfate-free formula leaves hair soft and hydrated from roots to ends. Neutralizes brassiness with ultra-fine purple pigments for cooler, brighter tones Bond-building care helps strengthen hair and reduce breakage Hydrating, sulfate-free lather; suitable for daily use as needed Vegan cruelty-free; free of DEA, aldehydes, formaldehyde, parabens, phosphates, phthalates sulfates For natural or color-treated blondes and gray/silver hair; all hair types textures Details Formulated with OLAPLEX?s patented technology to fortify brittle hair bonds for a healthy-looking finish. The longer you leave it on, the more intense the toning?customize from subtle brightening to stronger neutralization. Size: 250 ml / 8.5 fl oz UPC: 850018802239 Category: Shampoo ? Unisex ? Color care How to Use Apply to wet hair and work into a rich lather. Leave on 1?3 minutes (up to 5 minutes for extra toning). Rinse thoroughly. Follow with N5 Bond Maintenance Conditioner for daily moisture or N8 Bond Intense Moisture Mask for extra hydration. Use 1?2 per week or as needed to maintain your ideal tone. Why You?ll Love It Salon-level toning at home?keeps blonde gray hues cool and luminous Bond-care + toning in one step for stronger, shinier hair Customizable results with an easy, forgiving formula Ingredients Highlights Powered by OLAPLEX Bond Building Technology? (Bis-Aminopropyl Diglycol Dimaleate) plus conditioning surfactants and purple pigments to cleanse gently while neutralizing warmth. FAQs Will it eliminate yellow tones? Yes?its concentrated purple pigment neutralizes unwanted brassiness. How often should I use it? 1?2 times per week or as needed to maintain tone. Is it drying? It?s formulated with conditioning surfactants to cleanse and tone without over-drying. Who can use it? Natural or color-treated blondes, lightened, and gray/silver hair; all hair types and textures. Is it vegan and cruelty-free? Yes; it?s also free from sulfates, parabens, phthalates, and more.