Lose the brassy yellow and embrace silver and ash tones. Osmo Super Silver No Yellow Shampoo is a brilliant product for use on super-lightened, grey or bleached hair. It's been specially developed to reduce unwanted yellow tones and change the hair colour to silver/ash tones instead. It's perfect for use on natural and synthetic hair types and has been formulated with extreme, super-violet pigments to combat any unwanted brassy tones.