Helps purify shower water to be gentler on your hair, skin, and nails Filtered with a high concentration of 86% KDF-55 (recognized for its water-cleansing properties, AKA clean water’s BFF) that works with Calcium Sulfite to help reduce chlorine & impurities Doesn’t compromise your shower’s existing water pressure**, so you can still enjoy your washtime ritual  Designed to attach to most standard ½” (1.27cm) shower pipe threads for use with fixed, rain, and handheld shower heads.  Helps neutralize odors & balance water pH levels*, which may support healthier hair & skin pgrade your hair wash routine with this sampler of best-selling Shampoo & Conditioner bars Reduces single-use plastic: each full-size bar saves two bottles of liquid shampoo/conditioner Free of parabens, phthalates, silicones, sulfates, and artificial fragrance