What Does the SPF Number Mean?

Learn about how the sun protection factor (SPF) is measured, why higher isn't always better, and why wearing UPF clothing is also a good idea.

Ask the Expert: Does a High SPF Protect My Skin Better? - The Skin

What Does SPF Mean? - High SPF Sun Protection MythHelloGiggles

What is SPF & What Do SPF Numbers Mean

What is SPF and How Does It Work?

Doctor explains what SPF number on sunscreen really means - and

We've said again and again that daily SPF is the key to good skin

23 Broad Spectrum Mineral Sunscreen

WORKOUT WEDNESDAY: What Does the SPF Number on Your Sunscreen

What is SPF? What Does The SPF Number on Sunscreen Mean

This is what the SPF number of your sun cream actually means

What does the SPF number on a bottle of sunscreen really mean

Sun Protection Factor (SPF) and Sunscreen