A repairing and toning shampoo for blonde hair. Combining the nourishment of OLAPLEX plus the toning power of a purple shampoo; the OLAPLEX No 4P Blonde Enhancer Toning Shampoo is here and deserves a spot in your next haul. Developed to leave blondes three times brighter than regular purple shampoos; this toning shampoo strengthens; softens; and neutralises unwanted yellow tones for brighter; softer; more manageable hair. Infused with OLAPLEX’s iconic patented Bond Building Technology; this shampoo delivers high concentration pigment plus nourishment; for your best blonde yet. Vegan Crulety free Perfect for blonde and lightened hair Find the right OLAPLEX product for your hair here OLAPLEX products are thoroughly tested in accordance with industry standards inhouse and by independent thirdparty laboratories for safety and efficacy.