Helps eliminate mineral build-up from hard and well water Reduces dryness, damage, dullness and discoloration Leaves hair soft, shiny and manageable Safe for color-treated hair Safe for daily use Size:12 oz. Ion Hard Water Shampoo helps prevent build-up of hard and well water ...Helps eliminate mineral build-up from hard and well water Reduces dryness, damage, dullness and discoloration Leaves hair soft, shiny and manageable Safe for color-treated hair Safe for daily use Size:12 oz. Ion Hard Water Shampoo helps prevent build-up of hard and well water minerals like Iron, Calcium, Magnesium and Copper that can cause dryness, damage, discoloration and dullness.