Olaplex Blonde Enhancer No.4P Shampoo 1000 ml a professional treatment formulated specifically for blonde, lightened or highlighted hair. Thanks to the patented technology Olaplex, strengthens the internal structure of the hair, repairing the bonds damaged during the bleaching processes and maintaining the health of the hair. Its innovative formula neutralizes unwanted yellow tones, enhancing the brightness and purity of blonde. This shampoo gives softness, hydration and a sensation of visibly stronger and shinier hair. Ideal for daily use, perfect for those who want to preserve the intensity of color and maintain a fresh and well-groomed appearance. An essential investment for always perfect and regenerated blonde hair.