Do you hear a humming noise? You should, because running a humidifier is just one of the many ways you can help keep your skin happy and hydrated all winter long. Of course, there are tons of topical options too, but it's not as simple as slathering on the thickest cream you can find and saying a prayer. That's why Michelle and Jenny tapped Christine Lee, a senior research and development manager with AHC (Korea's #1 skin-care brand), and dermatologist Claire Chang to share why hydration is the key to "chok chok" skin (don't worry, we'll explain), and the best ingredients to achieve it.

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This episode of Allure: The Science of Beauty is presented by AHC. Head over to @ahc.global on Instagram for an exciting opportunity to try out the NEW Mini Essential Real Eye Cream for Face: https://www.instagram.com/p/CLcBBfYg6Xi/