The Hydra Source Shampoo by Matrix Biolage is a unique shampoo designed to deeply hydrate the hair whilst giving a thorough cleanse. Formulated with extracts from the Aloe plant it works to maximise the hairs moisture absorption leaving you with super smooth shiny locks. K.D. Directions for use: Apply Matrix Biolage Hydrasource Shampoo to wet hair with a massaging motion. Rinse. In case of contact with eyes rinse them immediately.