Most people know by now that you should always wear sunscreen. But do you use it correctly? Do you know what ingredients to look out for? Take our quiz and find out.
SPF 15 sunscreens block 94 percent of the sun's rays, and SPF 30 blocks 97 percent -- so the SPF numbers are a bit misleading to consumers.
Dermatologists recommend a minimum 30 SPF.
Most dermatologists recommend that you apply sunscreen 30 minutes to an hour before you go out.
If you put on sunscreen with 30 SPF, you should have around 300 minutes, or five hours, of safe sun time.
Sunguard is a chemical dye that applies a UPF (ultraviolet protection factor) of 50+ to clothes.
Zinc oxide and titanium dioxides are safest for a baby's delicate skin. These are also good ingredients to look for in adult sunscreen.
Physical blockers are much more effective sunscreens -- sometimes chemical blockers break down in the sun.
Avobenzone and Mexoryl SX are fairly new ingredients that protect against both UVA and UVB rays.
You'd have to cake your face with 14 times the powder you'd typically use to get that SPF of 15.
A shocking 85 percent of the sunscreens failed to pass the study's standards -- only 15 percent passed.