What Is Serum and What Does Serum Do, Exactly?
![What Is Serum and What Does Serum Do, Exactly?](https://www.shape.com/thmb/OTW5G5vqEcOYG0EoJJAcwJedUjs=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/serum-AdobeStock_285455224-b172770aa61f43de866092511fc2621f.jpg)
This skin-care formula is everywhere — but what is its purpose? Here, dermatologists dish on what face serum is, how to pick the best serum for you, the benefits of using face serums, and what serums do that other skin-care products can't.
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![](https://www.faceserum.com/wp-content/uploads/how-to-use-face-serum.jpg)
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Science of serums: What is serum and what does serum do? - mamabella
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Why You Need an Eye Serum to Your Everyday Routine - Kiehl's
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