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Grounded in peer-reviewed research and independent lab testing here's the bottom line on shower water's contribution to skin, hair, and overall health.

Skin

Why Is Your Skin Dry After Showering? (It’s Not Your Lotion)

Dry, red, tight skin after a shower usually isn't your lotion. It's your water. Here's what really causes dry skin after a shower, and how to control it.

Can Hard Water (and Chlorine) in Your Shower Cause Acne?

Can hard water cause acne? It can contribute through two clear mechanisms, and chlorine plays a role too. Here's what the science shows, and what actually helps.

Could Your Shower Be Causing Skin Rashes and Hives?

Skin rash causes after a shower fall into three types: water chemistry, heat, or a rare water allergy. Here's how to tell which is yours, and when a filter helps.

Hard Water and Eczema: What Your Shower Has to Do With Flare-Ups

Does hard water make eczema worse? The research says yes, and chlorine plays a role too. Here's the real link between hard water and eczema, and what actually helps.