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spf

Skin
November 30, 2016

Did you wear sunblock today?

What is SPF? SPF stands for “sun protection factor”. It is a marker of how well a product will protect your skin from the sun. This factor, which can range anywhere from 10 to 50, measures the sunscreen’s ability to protect against UVB rays only. UVB rays are the ultraviolet rays that cause sunburn, skin damage and contribute to skin cancer. The SPF number does not indicate the amount of UVA protection a sunscreen offers. UVA rays are the ultraviolet rays that penetrate deep into the dermis. However, there are broad-spectrum sunscreens that contain ingredients like zinc oxide and titanium…
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