The Best Serums For Every Skin Type and Need

Kiehl's Ultra Pure Hyaluronic Acid 1.5% Serum ($35)

Formulated with a heavy hit of concentrated hyaluronic acid, Kiehl's Ultra Pure Hyaluronic Acid 1.5% Serum helps your skin retain moisture, leaving it feeling deeply hydrated and comfortable. It also makes your skin feel and look bouncier and more supple, laying down a great base for the rest of your routine.