Read more about the article What do the different Factors of sunscreen do?
maialen protection search by Mario Antonio Pena Zapatería

What do the different Factors of sunscreen do?

Sunscreen: SPF 15 filters out approximately 93 percent of all incoming UVB rays. SPF 30 keeps out 97 percent and SPF 50 keeps out 98 percent. No sunscreen can block all UV rays.

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Read more about the article What does the “SPF” mean in sunscreen?
maialen protection search by Mario Antonio Pena Zapatería

What does the “SPF” mean in sunscreen?

The Sun Protection Factor of sunscreen means how long your skin will take to redden (for example, 20 minutes) compared to if you weren’t wearing it, i.e. SPF 15 means it will take 15 times longer.

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