K18 TripleBright Oxidation Defense Purple Shampoo 125mlK18 TripleBright Purple Shampoo 125 ml Purple foam shampoo. Against oxidation defense. This triple action purple shampoo is designed to help maintain brighter, fresher looking blonde tones by addressing the key causes of brassiness. It works to remove metals and mineral build up, neutralise unwanted warm tones and help protect against future discolouration. The result is hair that looks visibly refreshed, with a cleaner, more luminous blonde and a