Harvard Health Letter

What to look for in sunscreen:

Understanding the new rules for sunscreen labels.

Confused by new labels popping up on sunscreen bottles? This year, changes to sunscreen labels are finally showing up on store shelves, as ordered by the FDA.

One big change: terminology. Sunblock must now be called sunscreen, and the terms "sweat proof" and "waterproof" aren't allowed. The FDA says those labels weren't accurate, so a sunscreen can only be called "water resistant" for either 40 or 80 minutes, and only if it passes an FDA test.

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