Breathe a new lease of life into dull hair with Pureology Purify Shampoo. With a gentle but effective detoxifying blend, this Zero Sulfate shampoo clarifies your hair without stripping it of colour. The shampoo removes impurities and odours with its detoxifying blend of witch hazel, baking soda and tea tree oil which refreshes lifeless hair, protecting it from colour fade and leaving it shiny and healthy looking.