Product Overview Matrix Biolage Hydra Source Daily Leave-In Tonic 400ml is a rejuvenating treatment formulated to combat the frizz, static & flyaways caused by dry hair. Benefits Infused with aloe plant extract, this tonic actively works to maintain the natural moisture balance of your hair, providing it with the moisture it needs to stay healthy & shiny. This leave-in formula protects your hair throughout the day, meaning that you can stay confident knowing that your hair is staying hydrated, whilst looking radiant.