All things SPF

June 17, 2026

The AAP Draws the Line at Six Months.

What the AAP says about sunscreen and babies, why mineral matters for young skin, and how to read a sunscreen label. Direct...

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June 04, 2026

Zinc Oxide Stays on Skin. It Does Not Absorb Into the Bloodstream.

Zinc oxide is FDA-GRASE-confirmed and does not absorb into the bloodstream. Here's why it's the sunscreen active OB/GYNs most consistently recommend during...

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June 02, 2026

Sunscreen Ingredients to Avoid for Babies

The FDA has cleared two sunscreen actives as GRASE: zinc oxide and titanium dioxide. The other 12 haven't passed review. Here's what...

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May 31, 2026

Skinimalism, Meet Sunscreen.

Skinimalism means cutting your routine down to what works. Here's why sunscreen is usually the last product that hasn't caught up, and...

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May 29, 2026

How Swellies Was Influenced by K-Beauty

K-beauty changed what daily sunscreen could feel like. Here's how that influenced Swellies, and why a 5-ingredient zinc oxide formula gets to...

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May 25, 2026

How Much Zinc Oxide Does Sunscreen Need?

A zinc oxide concentration of 20 to 25% is what parents should look for in a mineral sunscreen. Below 15%, zinc oxide...

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May 20, 2026

Is My Sunscreen Safe for Freshwater?

The reef-safe conversation ignores lakes, ponds, and rivers. That's a problem. Everyone who's read a sunscreen label in the last five years...

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May 18, 2026

No Law Requires Pesticide Testing on Sunscreen.

No federal law requires pesticide testing on sunscreen ingredients. Here's how the regulatory gap works, where the risk actually lives in most...

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May 16, 2026

The Seed Oil Evidence Is Inconclusive. We Left Them Out Anyway.

The seed oil conversation started in food. Soybean oil, canola oil, corn oil, refined vegetable oils high in linoleic acid that became...

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