To prep you for a protected summer season, we’ve got the lowdown on common sunscreen questions. If you’ve ever stood in the sunscreen aisle wondering, “What does SPF mean?” or “How does sunscreen work?” If so, it’s time to get schooled on the basics. You may be surprised to...
【题目】What Does"SPF"Mean?A day at the beach is incomplete withoutthe sticky feel of sunscreen (防晒霜) on yourcheks. We wear it because we know we have to. Doctors and our mothers alike have impressed on our minds the need for a high SPF sunscreen since before we could walk. _1T...
How does the SPF tell you how long you’re protected for? Well, let’s say you typically burn after being outside for 30 minutes and have an SPF 15 sunscreen you plan to use. You’d multiply 30 by the SPF, in this case 15. That means that you’re technically protected for 450 mi...
How does SPF work? The SPF number ranges from 1-90 and refers to how long it will take for a person’s skin to become red from sun radiation exposure. For example, applying an SPF 30 sunscreen would prevent your skin from getting red for approximately 30 times longer than without any s...
SPF Number on Sunscreen: What Does It Mean?ThibodeauxPenny E
What SPF Means SPF stands for Sun Protection Factor. It's a number that you can use to help determine how long you can stay in the sun before getting a sunburn. Since sunburns are caused by UV-B radiation, SPF does not indicate protection from UV-A, which can cause cancer and prematu...
The SPF (防晒指数) measurement on sunscreens refers to the UVB protection level — and the number may not mean what you think it does. SPF 15 doesn’t protect you from 15% of UVB rays, just as SPF 100 doesn’t protect you from 100% of the rays. In fact, as yo...
SPF refers to the amount of UV radiation it takes to produce sunburn when wearing sunscreen in comparison to how much UV exposure it takes for unprotected skin to get sunburned. But, contrary to popular belief, SPF does not tell you how long you can stay in the sun without getting burned...
Applying sunscreen regularly is super important for looking after our skin while having fun in the sun. We’ve heard that a high SPF offers the best protection, but what exactly does having a ‘high SPF’ sunscreen even mean? What is SPF & what does it do?
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