OLAPLEX Nº. 4P Blonde Enhancer Purple Toning Shampoo is a premium hair care product designed to neutralize brassiness in blonde hair while strengthening and repairing damage. This 250ml shampoo hydrates hair and works for all hair types including coily, curly, straight, and wavy hair. The purple formula helps maintain cool blonde tones, reducing unwanted yellow or orange hues. It's formulated to repair hair bonds, leaving hair looking healthier and more vibrant. Perfect for maintaining blonde hair colour between salon visits or enhancing natural blonde tones at home.