Apply sunscreen with a sun protection factor of at least 30 to all exposed skin, including your face, ears, and the back of your neck. Be sure to reapply every two hours or after swimming or sweating.

Learn what SPF you should use, plus why SPF matters and tips for choosing sunscreen. ... Children over 6 months old should wear a cream-based sunscreen of at least SPF 30.

According to the MD Anderson Cancer Center, an SPF 15 sunscreen blocks 93% of the sun’s harmful UVB rays, and SPF 30 blocks 97%. Once you get higher than that, you’re only getting a small ...

The Skin Cancer Foundation says SPF 30 blocks about 97% of UVB rays while SPF 50 blocks about 98%. While the difference may seem small, the Skin Cancer Foundation says SPF 30 allows 50% more UV ...

Apply sunscreen with a minimum SPF of 30 to your face and any exposed body parts in the morning. Don’t forget about your head, forehead, ears, and hands.

A sunscreen of 50 SPF is even more protective. A 30 SPF sunscreen allows about 3% of UV rays to reach the skin, whereas a 50 SPF sunscreen only permits about 2% to reach the skin.

Should you use SPF 30 or 50? Higher SPF isn't necessarily better, dermatologists say. How well you use sunscreen is just as important than the SPF value.

If you mix SPF 10 sunscreen and SPF 30 sunscreen, do you get SPF 10, 20, 30 or 40? Accessibility statement Skip to main content. Democracy Dies in Darkness. Democracy Dies in Darkness.

Should you use SPF 30 or 50? Higher SPF isn't necessarily better, dermatologists say. How well you use sunscreen is just as important than the SPF value.

Should you use SPF 30 or 50? Higher SPF isn't necessarily better, dermatologists say. How well you use sunscreen is just as important than the SPF value.