SPF 30 vs SPF 50: What's the Difference and Why It Matters?
Learn the difference between SPF 30 and SPF 50 and which one is best for your skin's protection.
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Yes, it does matter. While SPF 30 blocks around 97% of UVB rays, SPF 50 blocks approximately 98%. The difference might seem small, but for people with sensitive skin or a history of skin cancer, the extra protection can be significant. Regardless of SPF, reapply sunscreen every two hours and immediately after swimming or sweating for optimal protection.
FAQs & Answers
- Does SPF 50 provide significantly more protection than SPF 30? Yes, SPF 50 blocks about 98% of UVB rays, compared to SPF 30's 97%. This small percentage can be important for those with sensitive skin.
- How often should I reapply sunscreen? You should reapply sunscreen every two hours and immediately after swimming or sweating to ensure optimal protection.
- Is higher SPF always better? Not necessarily. While higher SPF provides more protection, proper application and reapplication are crucial for effectiveness.
- What level of SPF should I use for sensitive skin? For sensitive skin or a history of skin cancer, it's advisable to use at least SPF 30 or higher, but consult a dermatologist for personalized recommendations.