The Learning Lab
How much Zinc Oxide Should a Sunscreen Have?
Our customers often ask us how much zinc oxide should a sunscreen have? The answer is fairly complex, but it breaks down into 4 basic parts: Why use zinc oxide sunscreens? The importance of non-nano zinc oxide FDA's limit on zinc oxide What percentage should you look for? Why...
Does Waxhead's zinc oxide contain nanoparticles?
Does Waxhead's zinc oxide contain nanoparticles? No, we do not use nanoparticles in our products. We only use non-nano zinc oxide. Please note an important difference between “micronized” and “micron-sized.” Micronized means a process that grinds larger zinc oxide particles into smaller ones, producing a significant number of nanoparticles. Waxhead...
What is Waxhead’s PA Rating?
What is Waxhead’s PA Rating? You may have noticed PA++++ on sunscreen labels lately and wondered why you don't see any plus signs on Waxhead labels. I'll get to that reason, but first let me explain PA Ratings in general. PA Ratings Came from Asia The PA Rating System...
How does zinc oxide sunscreen work?
On February 2019, the FDA recommend the GRASE (generally recognized as safe and effective) status on only two active ingredients for use in sunscreen: zinc oxide and titanium dioxide. The FDA also requested further research on the remaining active ingredients including oxybenzone and octinoxate) before they can be listed as...
Is zinc oxide good for lips?
We must wear daily sunscreen, and we should always include our lips too. Check your lip balm ingredients; they might not protect you from UV rays. As you avoid petrochemicals in sunscreen, double-check your lip balm has no chemical additives. Zinc oxide is a great ingredient when searching for a...
Does zinc oxide sunscreen expire?
Wearing facial sunscreen daily is one of the best ways to shield your skin from harmful sun exposure. Applying sunscreen is crucial when heading out for a full day in the sun. But what if the only option you have is last year's sunscreen? You may find yourself wondering: does...
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