Water is water that contains a high concentration of minerals like calcium and magnesium. When you wash with hard water, these minerals leave deposits on your scalp and hair, causing serious hair issues. When you regularly wash your hair with hard water, minerals form a coating on your scalp and hair. This layer blocks the hair follicles, causing poor hair development, increased ha... https://cerisenaturals.com/blogs/organic-skin-care/hard-water-is-stealing-your-hair-cerise-fights-back