KORRES Natural Sunflower and Mountain Tea Shampoo for Coloured Hair KORRES Natural Sunflower and Mountain Tea Shampoo for Coloured Hair is specially formulated shampoo for coloured hair, designed to protect and deeply moisturise chemically treated hair. Sunflower and mountain tea, natural sources of polyphenols, help protect hair colour and sheen from the rigours of frequent shampooing, styling and sun exposure.