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
- How often should I reapply sunscreen? You should reapply sunscreen every two hours, or immediately after swimming or sweating.
- 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.
- 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.
- What does SPF mean? SPF stands for Sun Protection Factor, indicating the level of protection a sunscreen offers against UVB rays.