Hyaluronic Acid

Hyaluronic acid is hydration's quiet overachiever — a molecule that holds many times its weight in water, drawing moisture into the skin and holding it there. This collection features formulas that plump, quench, and soften the look of fine lines, leaving skin dewy, supple, and comfortable from morning to night.

You'll find hyaluronic acid in multiple molecular weights, which lets it hydrate at different depths — larger molecules smooth and plump at the surface while smaller ones carry moisture deeper. Supporting ingredients round out the effect: marine and algae extracts for mineral-rich replenishment, botanical humectants like aloe and glycerin, and nourishing oils that seal everything in.

From weightless serums that layer beautifully under everything else to gel-creams that deliver a cushion of lasting moisture, these picks give thirsty, dehydrated skin the drink it's been craving. For the best results, apply to damp skin and follow with a moisturizer to lock the hydration in.