Does SPF 50 Last Longer Than SPF 30? Find Out the Truth!

Discover the truth about SPF 50 vs SPF 30: duration, effectiveness, and reapplication tips to keep your skin protected!

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SPF 50 does not necessarily last longer than SPF 30; both need to be reapplied every two hours or after swimming or sweating. The main difference is that SPF 50 blocks about 98% of UVB rays, while SPF 30 blocks about 97%. For extended outdoor activities, reapplication is crucial to maintain protection, regardless of the sunscreen's SPF rating.

FAQs & Answers

  1. How often should I reapply sunscreen? You should reapply sunscreen every two hours, or immediately after swimming or sweating.
  2. Is SPF 50 better than SPF 30? SPF 50 blocks slightly more UVB rays (98%) compared to SPF 30 (97%), but both require reapplication for effective protection.
  3. Can I use SPF 30 instead of SPF 50? Yes, SPF 30 is effective if applied properly and reapplied regularly, but for prolonged sun exposure, SPF 50 may offer added reassurance.
  4. What does SPF mean? SPF stands for Sun Protection Factor, indicating the level of protection a sunscreen offers against UVB rays.

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