Olaplex No.4P Blonde Enhancer Toning Shampoo repairs, cleanses, and tones all blonde, lightened, and grey hair using patented bond-building technology. This toning shampoo helps achieve an 'unbreakable blonde' look while maintaining hair health.
Formulated without sulfates, parabens, and phthalates, it is also vegan and gluten-free, making it suitable for color-treated and sensitive hair types.