Learn To What Is SPF Without Tears: A Really Short Guide

What is SPF? SPF stands for sun protection factor. This rating is utilized in sunscreens to block rays of UVB rays which are the major cause of sun damage. SPF 30 blocks 96.7 percent of UVB Rays, whereas SPF 50 blocks 98.6%. Let's discuss SPF in more detail. Here are some examples. What are the benefits of SPF?SPF is a sunscreen rating that shields against UVB radiationWhile SPF is a widely used indicator of how much protection a sunscreen provides but it's not an exact measure. The SPF number is used to measure protection from only UVB radiation. The FDA does not require sunscreens to guard against UVA rays. The majority of sunscreens are designed to provide UVB protection only.The...

أقرا المزيد