Sunscreen helps protect your skin against UVA and UVB rays. Roughly 90% of wrinkles are likely caused by sun damage. A way to protect against sun damage is by using SPF, which means sun protection factor. An SPF of 15 protects your skin for two and a half hours.
What Does SPF Mean?
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Key Facts In This Video
Sunscreen helps protect our skin against UVA and UVB rays. 00:01
Although UVB rays are not as potent as UVA rays, they are the central cause of sunburning and tanning. 00:55
The fairer your skin tone (or if you burn easily), the higher your SPF should be. 02:52
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