“Smooth Fine Lines and Wrinkles

While there’s no doubt that they’re highly effective, retinoids can leave your already dehydrated skin even drier, so pass on products that use them in favor of ones with hyaluronic acid. It attracts and retains moisture in your skin (it can hold up to 1,000 times its own weight in water) and is the same ingredient used in injectable fillers, says Emmy Graber, M.D., president of The Dermatology Institute of Boston. “It instantly plumps up fine lines and wrinkles,” she explains.”