/oss/taxonomy/term/6327/all en /oss/article/you-asked-general-science/what-does-spf-sunscreen-really-mean <p>With all the options out there, choosing the right product can be difficult. Stores are packed with many options, branded with anything from “Ultra-Sport” to “Hydrating”, but each and every label will report a <b>sun protection factor, or “SPF” value.</b></p> <p>In theory, that wearing a sunscreen with a SPF value of 30 allows you to stay in the sun for 30 times longer than if you skipped the sun protection. In practice, it is a bit more complicated.</p> Fri, 24 Jun 2022 00:02:20 +0000 Cat Wang 9146 at /oss