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Ask Dr. Schultz | Derm TV | Does Layering SPF Products Equal Better Sun Protection?

Does Layering SPF Products Equal Better Sun Protection?

A common question asked about sunscreen is whether or not SPF amongst products is additive. For example, does your foundation with a SPF of 15 increase your total SPF to 45 if you're also wearing a sunscreen with an SPF of 30? Dr. Schultz explains.

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