Cool Can I Wash My Hair Without Shampoo References. When water is “hard,” it means there’s a buildup of minerals that can affect how your hair looks and feels — that can translate to frizzy locks, dull color, and even breakage. That really depends on your specific hair type and the shampoo you are using.

Beauty bloggers and influencers have used this method for many years. The practice is known as. How to use castile soap to wash your hair.