Blog
May 14, 2026
Seed Oils Have No Meaningful SPF. Here's What the Data Shows.
A claim that will not die: raspberry seed oil has an SPF of 28 to 50. It shows up in DIY sunscreen...
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May 13, 2026
The Best Mineral Sunscreen for Tattoos, and Why Formula Matters
UV radiation breaks down tattoo ink. This is the same photodegradation that happens to any organic pigment exposed to UV light, occurring...
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May 10, 2026
Mineral Sunscreen and Body Hair: Why the White Cast Happens and How to Fix It
Most mineral sunscreens turn chest and back hair white. Here is why it happens, which ingredients are responsible, and what the formula...
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May 10, 2026
Airless Pump vs. Tube vs. Bottle: Why Format Affects Your SPF
The format of your sunscreen container directly affects how much product you apply — and how consistently you apply it — which...
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May 09, 2026
Sunscreen for Hiking, Running, and Surfing: What Matters
For active outdoor use, the most important sunscreen specs are water resistance, broad spectrum coverage, and a format that stays put during...
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May 07, 2026
The FDA Has Confirmed Two Sunscreen Actives Safe. Here Is What That Means.
The FDA has reviewed 16 sunscreen active ingredients and confirmed only two are generally recognized as safe and effective (GRASE): zinc oxide...
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May 07, 2026
Iron Oxides in Sunscreen: The Blue Light Protection Some Formulas Skip
Iron oxides in sunscreen absorb high-energy visible (HEV) light, commonly called blue light, in addition to providing the tint that neutralizes white...
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May 05, 2026
What Reef & River Safe Sunscreen Means (And What It Does Not)
"Reef safe" is not a regulated term in the United States — any brand can print it on any product, regardless of...
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May 04, 2026
Should You Wear Sunscreen Every Day? Yes. Here Is Why.
Yes, UV radiation causes cumulative skin damage every day, not just at the beach or in summer. UVA rays, which penetrate clouds...
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