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Homenavarrow Health & Personal Care

Your Guide to SPF in sunscreens

When you are selecting your SPF (Sun Protection Factor) level for sunscreen, do you know exactly what the differet levels mean? If not, you are not alone.

Here is the scoop on how much of the sun's rays each level of SPF protects you from.

SPF 4 blocks 75% of the suns rays (allowing 25% through)

SPF 8 blocks 87.5% of the suns rays (allowing 12.5% through)

SPF 15 blocks 93.3% of the suns rays (allowing 6.7% through)

SPF 30 blocks 96.7% of the suns rays (allowing 3.3% through)

SPF 50 blocks 98% of the suns rays (allowing 2% through)

If you are fair and tend to burn whenever you are in the sun, you want to make sure you go with the highest SPF. If you are already tanned, using a high SPF prevents you from getting darker or use a lower SPF if you want to continue tanning.

It is important to remember to reapply your sunscreen as the effectiveness is reduced by the hour and when you do things such as go swimming or even just sweating! More burns are caused by forgetting to reapply!

 



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