Does Using Vitamin C Boost Your Sunscreen?

Some might think that ingesting vitamin C might offer another layer of defense against sun damage. And yes, vitamin C is good for our health, but studies haven't found it to be superior in protecting skin from sun damage. "We are limited in how much [vitamin C] we absorb in our gastrointestinal tracts and how much is delivered to the skin," says Gmyrek. "The only way to get more to the skin is to apply it topically."

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