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Lab bench with beakers and test tubes used for DIY sunscreen SPF lab testing

April 22, 2026

We Tested the Viral DIY Sunscreen Recipe at an FDA-Approved Lab. It Came Back SPF 13.

You've seen the videos. Beeswax, some type of oil, zinc oxide, an immersion blender. Promises of SPF 30, 40, even 50, all...

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Man with full beard outdoors showing mineral sunscreen white cast on facial hair

September 17, 2025

The Best Sunscreen for Beards: Why White Cast Happens and How to Fix It

Mineral sunscreen that doesn't turn your beard white.

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