“It protects us from mechanical injury, low humidity, cold, heat, sun, wind, chemical exposure, bacteria, viruses, fungi, and other pathogens,” board-certified dermatologist Hadley King, M.D., says about the barrier, adding that “a healthy barrier is critical to normal skin function.”

In addition to layering moisture on your skin, consider pausing harsh topical treatments, like exfoliants and retinol, until your skin barrier feels aptly rehydrated. More tips on identifying and mending a damaged skin barrier here. 

Now, whether your lack of skin moisture is from your product lineup, water temperature, compromised barrier, or other factors, consider pairing your topical routine with hydrating skin supplements—look for ingredients like hyaluronic acid, vitamin C, and collagen (our top picks here). 

Finally, if you’ve tried everything for dehydrated skin without success, consider chatting with your dermatologist.