A recent study suggests that mixing mineral and chemical sunscreens may limit the protection against UVA. Additionally, it found that sunscreen mixed with zinc oxide may be rendered less effective.

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Nick Blackmer is a ...

During use some sunscreens offer very limited protection against dangerous sunrays and may even be harmful. Chemical reactions involving a main ingredient - zinc oxide - mean many sunscreens become ...

As drug-resistant infections continue to rise, researchers are looking for new antimicrobial strategies that are both effective and sustainable. One emerging approach combines nanotechnology with ...

Looking for the best sunscreen for your skin? You might consider buying zinc oxide sunscreens—but what exactly is zinc oxide, anyway, and what makes it different from other types of sunscreens? Zinc ...

The key difference between these types of sunscreens is how they block rays. When choosing a sunscreen, you have a few decisions to make. First, are you slathering up with a physical or chemical ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Both are fine options—as long as you're selecting a broad-spectrum formula ...

Preliminary testing by whistleblower Craig Jones on a zinc sunscreen showed the sunscreen provided SPF protection in the 20s, rather than the advertised 50. The ABC has discovered 30 other brands of ...