How SPF ratings are derived

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by beata89 | August 8, 2009 at 10:08 pm
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Few of us know how SPF ratings are derived and therefore how they are relevant to our needs. Ranging from as low as two to as high as 60, these numbers refer to the product’s ability to screen or block out the sun’s burning rays.

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nagba
nagba
flagged this story as Needs Improvement

at 01:42 on August 9th, 2009

beata89, I wasn't sure what was newsworthy in this story. Please review our FAQ or check out our J-Tips for more help.

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