Olaplex No.4P Blonde Enhancer Toning Purple Shampoo 250ml is expertly formulated to brighten and tone blonde hair while preventing brassiness. Its unique purple pigment neutralizes yellow tones, enhancing cool, vibrant highlights. This gentle yet effective shampoo strengthens and repairs hair structure, leaving strands healthier, smoother, and more resilient. Ideal for maintaining salon-quality blonde results between treatments.