Olaplex No 4P Blonde Enhancer Toning Shampoo is a professional toning shampoo designed to neutralize unwanted brassiness in blonde, lightened, and gray hair. It helps brighten and refresh color while gently cleansing away buildup and impurities. Suitable for all hair types, it leaves hair looking cooler, shinier, and more vibrant.

Formulated with Olaplex's bond-building technology, this shampoo works to strengthen and repair damaged strands while maintaining a healthy-looking finish. The sulfate-free formula is gentle enough for daily use and helps preserve color-treated hair. It is ideal for anyone looking to maintain a fresh, salon-quality blonde at home.

Apply to wet hair, lather, and rinse thoroughly. For best results, use regularly as part of your hair care routine. This 33.81 oz size offers long-lasting value and is perfect for both personal and professional use.