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Originally Posted by Fighting Banana Slug
You need to read the link in Psycnet's post.
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His link actually concluded that it is a decent guide but some of the science may be off. It did show (just like the guide did) that a higher SPF is not always better and makes minimal difference past 15.
Edit : here is their conclusion
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Sunscreens remain an important option to help avoid unwanted UV exposure. Overall, the EWG report makes it easy for consumers to differentiate between sunscreens, and make selections based on UV spectrum protection and ingredient preferences. While I’m personally not convinced about the hazards of the current FDA-approved products, I agree with the group’s overall recommendation that physical barriers, containing titanium and/or zinc, have superior risk/benefit profiles. When you look past the headlines, the Environmental Working Group’s analysis isn’t bad. It’s cautious but pragmatic. The bad probably isn’t as bad as they say, but they take a good perspective related to risk/benefit overall.
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