Olaplex No. 4 Bond Maintenance Shampoo is a gentle and moisturizing shampoo specially formulated for colored and damaged hair. It effectively removes build-up of dirt, excess oils, and hair products, leaving the hair clean, soft, shiny, and easy to manage. This shampoo features a pH level of 6-6.5 and is enriched with sunflower oil, apricot kernel, rosemary leaf extract, and banana fruit. It is a color-safe formula that has been proven to reduce breakage and strengthen all types of hair. Additionally, this shampoo is free of parabens, sulphates, and phosphates, making it a great choice for those who prefer clean and vegan hair care products.