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sun protection factor
Protect yourself against UV rays and prevent skin aging
The Sun Protection Factor (SPF) is a measure of how well a sunscreen provides protection against the harmful effects of the sun's ultraviolet (UV) rays, particularly against burning from UVB rays.
The SPF is also the extent to which UVB rays are blocked:
- SPF15 blocks 93% of UVB rays
- SPF30 blocks 97% of UVB rays
- SPF50 blocks 98% of UVB rays
2 golden tips? Reapply every 2 hours and look for a broad spectrum sunscreen that protects you from UVA and UVB rays.
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