
What’s the SPF Magic Number?

Misleading Information
This summer, companies have launched SPF 70 sunscreen, which might lead you to think that you could be in the sun for 12 hours based on the aforementioned formula. BUT, consumers don’t typically put the same amount of sunscreen on as is applied during testing. Therefore, you’re likely to get less out of the SPF rating than the formula would suggest. For best results, you should:- Apply sunscreen 15-30 minutes before sweating or entering water because the best protection is given when the sunscreen has time to soak in.
- Reapply every 30 minutes to an hour, depending on skin type and age.
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