Chemical vs. mineral, SPF 30 vs. 50, reapplying — we clear up the biggest sunscreen myths.
RELUXE Aesthetics Team
February 2026
Sunscreen is the single most important anti-aging product you can use. Let us debunk the biggest myths.
SPF 30 blocks about 97% of UVB rays. SPF 50 blocks about 98%. The bigger factor is how often you reapply.
UVA rays penetrate glass. If you sit near windows, you are getting UV exposure.
Both chemical and mineral sunscreens are safe and effective. The best sunscreen is the one you will actually wear.
Reapply every 2 hours outdoors. For indoor days, a midday touch-up is sufficient.
Use broad-spectrum SPF 30-50 every morning, 365 days a year. Consistency beats perfection.
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