Does SPF 100 Provide Better Sun Protection? Insights on Sunscreen Effectiveness

Discover how effective SPF 100 is compared to lower SPF levels and the importance of proper sunscreen application.

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SPF 100 can offer more protection than lower SPFs, but the difference is small. While SPF 100 blocks about 99% of UVB rays, SPF 50 blocks 98%. Higher SPFs can give a false sense of security, potentially leading to longer sun exposure. Apply sunscreen generously and reapply every two hours for best results, regardless of SPF level.

FAQs & Answers

  1. Is SPF 100 significantly better than SPF 50? SPF 100 blocks about 99% of UVB rays compared to 98% for SPF 50, but the difference in protection is minimal.
  2. How often should I reapply sunscreen? It's recommended to reapply sunscreen every two hours, regardless of the SPF level.
  3. Can I rely on higher SPF for longer sun exposure? Higher SPF can create a false sense of security; it's crucial to apply sunscreen generously and adhere to reapplication guidelines.
  4. What does SPF mean? SPF stands for Sun Protection Factor, which measures the level of protection against UVB rays that cause sunburn.

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