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.

Doctor explains what SPF number on sunscreen really means - and

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

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

What is the meaning of the SPF number in sunscreen? - Dérmica

Choose the right sunscreen: what does SPF and the number mean

SPF: How Much to Use This Summer

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

What is SPF and How Does It Work?

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

What Is SPF? What Does the SPF Number Mean?