Osmo Silverising Conditioner 300ml For Blondes and Grey Tones Osmo Silverising Conditioner -  a sulphate-free formula conditioner that rids your hair of any unwanted brassy tones  whilst also depositing essential hydration to the locks leaving it ready to style once dry. It has the ability to add shine to white and grey hair or provide colour toning to refresh blonde hair without stripping the hair colour.  Effective for those with both white and grey hair too. *cruelty-free and vegan-friendly.