Philip kingsley pure silver jet set is for dull discoloured grey hair and brassy blonde hair designed with violet hues and optical brighteners the pure silver jet set will reduce the appearance of yellow discolouration and add shine to dull grey and brassy blonde hair leaving hair brighter and lustrous philip kingsley pure silver jet set is worth 27 and contains philip kingsley pure silver shampoo 75ml pure silver shampoo has been formulated specifically for grey and bleache