Breaking Beauty Podcast

How-To Find a Sunscreen You Can Really Trust With Dr. Michelle Wong, AKA Lab Muffin Beauty Science

Apr 28, 2021
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INSIGHT

Challenges in SPF Testing Consistency

  • SPF testing is inconsistent due to testing on humans and complex formulas.
  • New in vitro tests promise more reliable and cheaper SPF measurements soon.
INSIGHT

Korean Sunscreen Formula Loophole

  • Korean sunscreens often don't undergo retesting after formula tweaks, causing SPF discrepancies.
  • This loophole likely contributes to more SPF inconsistencies in Korean sunscreens.
ADVICE

SPF and Broad Spectrum Explained

  • Choose the highest SPF you can tolerate and apply liberally to match label protection.
  • Broad spectrum means protection against UVA rays; more plus signs or higher SPF signals better UVA defense.
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