 | | 3 / 7 3. Not using sunscreen
Exposure to sun's rays is the primary culprit behind skin aging. You may not notice the effects when you are in your twenties, but as your skin matures, fine lines and dark sports can start to creep in. Even if you're holed up in the office from 9 to 5, you're still susceptible to UV rays because they can penetrate glass windows. To best way to guard against this: Use a sunscreen with at least SPF 15 that's labeled "broad-spectrum", meaning it guards against both UVA and UVB rays.
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