Neutralizes unwanted yellow-orange tones and exalts cool highlights. It has conditioning and revitalizing properties that protect the hair fiber, improving its strength, elasticity and shine. Creates a protective film around hair that facilitates brushing, hydrates, illuminates and improves the texture of blonde hair.After washing hair with NOYELLOW Shampoo, apply to wet hair and comb through to distribute evenly. Leave to work for 3-5 minutes, then rinse thoroughly and style. For best results, we recommend ending the treatment with NOYELLOW Spray.