Chemical and mineral sunscreens are not just different formulas. They rely on entirely different physical mechanisms to protect skin from UV radiation. Here is exactly how each one works.
I treated sunscreen as a beach-day product for years, until one cloudy car ride left me with a sunburn I couldn't explain away. Here's what changed, and the sunscreens that actually made the daily habit stick.
Sunscreen is the single most impactful thing you can apply to your skin. The problem isn't knowledge — it's finding one you'll actually use every day. Here's the complete guide and the 7 best of 2026.