Does Sunscreen Provide 100% UV Protection? Here's What You Need to Know

Learn why sunscreen can't guarantee 100% UV protection and how to use it effectively for the best results.

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Sunscreen does not protect you 100%. While effective in reducing UV exposure, no sunscreen can block all UV rays. Apply broad-spectrum sunscreen with at least SPF 30 and reapply every two hours, especially after swimming or sweating, for optimal protection.

FAQs & Answers

  1. How often should I reapply sunscreen? Reapply sunscreen every two hours, or immediately after swimming or sweating, for optimal protection.
  2. What does SPF stand for? SPF stands for Sun Protection Factor, indicating the level of protection a sunscreen provides against UV rays.
  3. Do I need sunscreen on cloudy days? Yes, UV rays can penetrate clouds, so it's vital to wear sunscreen even on overcast days.
  4. What is broad-spectrum sunscreen? Broad-spectrum sunscreen protects against both UVA and UVB rays, making it essential for comprehensive sun protection.