There are different types of light: ultraviolet light, such as UVA and UVB rays from sunlight, and visible light, which is where red and blue light come in. (These are the two main light colors ...

If a good daily SPF isn’t already part of your skin care routine, that’s a problem. Sunscreen isn’t just a health essential (it helps prevent skin cancer); it also has aesthetic benefits (like warding ...

SPF is our summertime BFF — that’s because sunscreen protects us against two types of harmful ultraviolet radiation.

Also, try to stay in the shade whenever possible, and avoid being outdoors during peak sun hours, typically between 10 a.m. and 4 p.m. And of course, if you are outside, be sure to reapply sunscreen ...