But to each of the naysayers, we are going to just let the pros do the convincing. "We reduce h2o while in the skin at night, so nighttime is all about locking in moisture," Mona Gohara, MD, associate clinical professor of dermatology for the Yale School of Drugs, tells Attract https://guidemysocial.com/story2324100/how-much-you-need-to-expect-you-ll-pay-for-a-good-face-cream-retinol-best