Sun protection factor — better known as SPF — tells you how well a sunscreen protects your skin against ultraviolet B radiation, the type of UV rays that are most responsible for causing sunburns.

Stock up for summer with the crème de la crème of sun care, coveted by celebrities and dermatologists alike.

How much SPF do you need from your sunscreen? You already know that if you’re going to spend a prolonged amount of time outside during this hotter-than-hell summer, you need to put on sunscreen. But ...

You know you need to use sunscreen, but what kind? And what level of SPF do you need? There's a lot of information to digest on a sunscreen bottle. And if you're confused, dermatologists get it. "Even ...

To find the best dark spot correctors (that actually work), GH Beauty Labscientists use technical instruments in the Lab to measure their spot fading effects over a set time period and evaluate them ...

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Sunscreen has a significant impact on our daily skincare routine, from protecting our skin from the harmful UV rays of the sun to treating our skin with the best ingredients in them. You may want to ...

Level of protection against sunburn producing rays. Score based on the SPF range found in our tests. Approximate ranges for tested SPF: Greater than 40 (excellent), 30-39 (very good), 20-29 (good), 10 ...

Jessica was a writer on the Wellness team, with a focus on health technology, eye care, nutrition and finding new approaches to chronic health problems. Staying hydrated and cool might be at the top ...

The numbers that signal summer's approach are here: The countdown to the last day of school. A 90-degree forecast. And, of course, SPF 30. Or 50? Or maybe it's time to break out SPF 100? SPF stands ...