Question: what is the best shampoo to use for hard water?
Answer: Malibu Hard Water Shampoo. ...  Ion Shampoo For Hard Water (+ Conditioner) ...  Kenra Clarifying Shampoo. ...  Beautiful Nutrition Grapefruit Detox. ...  Nioxin Clarifying Cleanser. ...  Joico K Pak Clarifying Shampoo. ...  Bumble and Bumble Sunday Shampoo. ...  Ouidad Water Works Clarifying Shampoo.