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

Every dermatologist, general practice doctor and esthetician will tell you, you need to wear SPF 30 sun protection every single day. But this can lead to questionsmy moisturizer has SPF 20, isn't that good enough? If SPF 30 is good, then SPF 75 is even better, right? If my moisturizer is SPF 20 and my sunscreen is SPF 30, I'm wearing SPF 50?  Wait, I thought it was SPF 15 for everyday? What does SPF 30 even mean? And what do all of those other things on my sunscreen mean? If I apply SPF 30 in the morning, I'm good for the rest of the day? Settle in, we've got some answers for you! What does SPF stand for? SPF is short for Sun Protection Factor. In short, it is a ranking of the amount of UVB protection you receive when wearing that product. SPF does not measure UVA rays, more on that later. What is SPF? SPF measures how much
Every dermatologist, general practice doctor and esthetician will tell you, you need to wear SPF 30 sun protection every single day. But this can lead to questionsmy moisturizer

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