spf-30-vs-spf-50

Key Takeaways

  • SPF 30 blocks about 97% of UVB rays, while SPF 50 blocks closer to 98%.
  • The numbers look almost identical, but SPF 50actually lets through about a third less UV than SPF 30.
  • SPF 30 is the everyday workhorse and what most dermatologists call the daily minimum.
  • SPF 50 earns its spot for fair or sun-sensitive skin, peak summer days, or anyone who wants a little more coverage.

Table of Contents

Does SPF 30 vs. SPF 50 feel like choosing between green or red sauce on your burrito? We get it and we’ve got you. Here's what changes between the two and when to bump up.

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