Sunscreens (防晒霜) can offer protection from two types of ultraviolet (UV) rays (紫外线): UVB, which according to the Skin Cancer Foundation, are the chief cause of sunburn and play a key role in the development of skin cancer, and UVA, which get through the skin mo...
Sunscreen is designed to protect from harmful UV rays, but it also has some unexpected side effects. If you’ve ever had a reaction to sunscreen on your skin, then you know exactly what I’m talking about. Whether you have a mild rash or blisters, if it’s happened to you before, th...
New research has found that you can get protective benefits of sunscreen without losing out on vitamin D.
Learn more about what sunscreen to use, tips on how to apply it correctly, how long it lasts, and how often you should reapply in different situations from the advanced Dermatologists at Cetaphil.
What’s the difference between a chemical and a physical sunscreen? There are two ways sunscreens work: They either absorb UV rays or reflect them away from your skin. “Chemical sunscreens work by absorbing damaging UV energy,” says Schultz. “They’re the more traditional sunscreens you th...
Most sunscreens back then were designed to protect from UVB rays only. Those are the ones that make your skin burn. So if you didn’t get a sunburn your sunscreen was working, right? Not really.UVB rays aren’t the only type of UV radiationthat does some serious damage to your skin....
You’ll also want to look for the keywords “broad-spectrum” on the label, which indicate that the sunscreen will protect your skin against both UVA rays, which age the skin, and UVB rays, which burn the skin. What number SPF should I be using, and how do I figure out if a sunscr...
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In addition to sunscreen, avoidsun exposurein the middle of the day when the UV rays are strongest, wear sunglasses that block both types of UV radiation—UVA and UVB rays—and wear a broad-brimmed hat and other protective clothing.
Here are four ways you can protect yourself from UV radiation damage: Time of day: Avoid sun exposure in the middle of the day—between 10 a.m. and 4 p.m.—when the UV rays are strongest. In addition, be mindful that clouds offer little protection, and UV rays can bounce off surfac...