Goldwell Dualsenses Color Revive Cool Brown Shampoo 250mlGoldwell Dualsenses Color Revive Shampoo is designed to revive and intensify the hair colour. It neutralises unwanted undertones including brassiness or yellow undertones. It is suitable for colour treated as well as natural hair and all hair types. Goldwell Dualsenses Color Revive Shampoo Cool Brown is a colour reviving shampoo that intensifies cool, brown nuances. Not only does it revitalise natural and colour treated brown tines but it also reduces