That means it will block both UVA aging rays and UVB burning ... If you're going to be out in the heavy duty sun, you can step it up to SPF 50. But anything higher than that doesn't give you ...

What is the best SPF level to use? While there may be a dizzying number of sunscreen options on drugstore shelves, dermatologists usually recommend using SPF 30 or above. SPF 50 is better if you ...

It means it will block more UV rays, but the difference between SPF 30 and SPF 50 is slight. However, according to the ...

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 ...