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Chlorine in Your Shower: What It Does to Skin, ...

Chlorine is added to municipal water to kill pathogens. It does its job effectively. The problem is that chlorine doesn't distinguish between the bacteria in your water supply and the...

Homeopathy, Water Purity, and Natural Skin Care...

Homeopathy operates on the principle that water has memory — that water retains information about substances it has contacted, even after those substances are diluted beyond measurable presence. This is...

What's Really in Your Shower Water and Why It M...

The water coming out of your showerhead is not neutral. It carries chlorine, chloramines, heavy metals, and dissolved minerals that interact with your skin, your soap, and every product you...

Gear Washing for Ultramarathon Runners: Why You...

You spend serious money on technical running gear. The DWR coating on your rain shell. The anti-odor treatment in your merino kit. The moisture-wicking structure in your shorts. Most of...

Altitude Ultramarathons: How Elevation Changes ...

Running a mountain 100-miler is a different skin care challenge than a flat 100-miler. Altitude changes the equation in ways that most runners don't plan for.The Altitude Skin FactorsIncreased UV...

The Best Natural Ingredients for Trail Running ...

Every ingredient in a natural skin care product has a job. Here's the shortlist of ingredients that earn their place in a trail runner's kit — what they do and...