But to each of the naysayers, we'll just let the pros do the convincing. "We get rid of drinking water while in the skin at night, so nighttime is focused on locking in moisture," Mona Gohara, MD, associate clinical professor of dermatology on the Yale School of Drugs, tells Allure https://health-lists.com/story17550091/how-much-you-need-to-expect-you-ll-pay-for-a-good-face-cream-retinol-best