Noah Anti-Yellow Shampoo with Blueberry Extract 250 ml is designed to combat unwanted yellow tones on blonde, bleached or highlighted hair. It contains blueberry extract, known for its antioxidant properties and ability to neutralize yellow tones. This shampoo helps maintain the color of blonde or bleached hair, keeping it brighter and more vibrant, while nourishing it and leaving it soft and silky. Its gentle, sulfate-free formula is suitable for daily use and will not damage or dry out hair. For best results, it is recommended to use together with the conditioner and other products from the Noah Anti-Yellow shampoo line. Instructions for use The minimum instructions for use for Noah Anti-Yellowing Shampoo with Blueberry Extract 250 ml are to apply a small amount to wet hair, gently massage the scalp and leave on for a few minutes. Then rinse thoroughly with water. For best results, regular use of this shampoo is recommended.