Back off bold as brass and stay cool... A shampoo to banish any unwanted yellow tones. Leaves hair feeling shiny and soft while breathing new life into colour. - Colour treated hair. - Effective hair colour toning that refreshes blondes. - Deep purple colour helps to neutralise yellow tones in blonde hair. - Gentle formula cleanses without stripping colour. - Adds shine to white or grey hair. Osmo Silverising Shampoo is suitable for highlighted, bleached or blonde shades.