What is SPF? SPF stands for sun protection factor. This rating is used in sunscreens to block the radiation of UVB rays, which are the main cause of sun damage. SPF 30 blocks 96.7 percent UVB radiation, while SPF 50 blocks 98% of UVB rays. Let's discuss SPF in more https://spf-moisturisers86903.ezblogz.com/42486354/how-to-moisturizer-with-spf-30-without-breaking-a-sweat