Skincare routines, serums, and treatments play important roles, but mounting scientific evidence confirms that diet directly impacts skin hydration, elasticity, and resilience. So, how exactly does diet support our skin — particularly when it comes to hydration? Let’s break it down.

True skin hydration goes beyond drinking water. The outermost layer of skin, the stratum corneum, relies on lipids, proteins, and antioxidants to lock in moisture. Our diet provides these building blocks, helping the skin stay supple and resilient.

Too many skincare products can damage your skin barrier. A dermatologist explains why a simple routine with gentle cleansing, ceramides, NMFs, and broad-spectrum SPF is healthiest.