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What Common Skincare Ingredients Actually Do

How Much Do You Know About Skin Care Ingredients?

There are so many skin care ingredients out there that it's sometimes difficult to keep up with what they're supposed to do. How much do you know about the most popular ingredients in skin care? Take this quiz to find out.

How Much Do You Know About Skin Care Ingredients?

What does L-ascorbic acid (vitamin C) do?

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