The T3 Source Shower Filter Refill for In-Line Unit ensures optimum results from your T3 In-Line Shower Filter device, recommended for replacement every 3-4 months or when the colour indicator turns black. Say goodbye to dry, damaged hair and hello soft, touchable tresses with this advanced water filtration system. The first step in any hair care routine is washing. Household water supplies often contain a high level of chlorine, which over time causes damage, dullness and frizz. Harnessing advanced technology with a patented chemical filtration process known as “Redox”, the T3 Source Shower Filter uses a complex blend of tourmaline, calcium, zinc and copper to transform chlorine into harmless elements that are too large to be absorbed by hair or skin. Removing up to 95% of chlorine from shower water, it results in hair looking sleeker and healthier, with enhanced shine and manageability. Skin also benefits with improved hydration levels. The T3 Source collection: Is clinically proven to make your hair more beautiful Enhances the vibrancy and retention of hair colour Makes skin noticeably softer and smoother Patented filtration system removes up to 95% of chlorine from shower water. To be used in conjunction with the T3 Source In-Line Shower Filter (sold separately)