ACTIVE HYDRA SERUM 1.0FLOZ. Benefits: It all starts with science. Patented technology that replicates the water cycle to recapture moisture from the air and rehydrate skin.. Serum locks moisture into cells for smoother and more radiant-looking skin.. Provides greater skin protection and amplifies the impact of your skincare regimen.. Use this serum if you want to minimize dull, dry, tight or crepey skin.. It's popular because it performs. Chosen over 3 million times.. Dermatologist developed.. Rodan + Fields is the #1 Female Dermatologist-Founded Skin Care Brand in the U.S.*. Key Ingredients: 3D3P Molecular Matrix: Contains 30% Glycerin and cross-linked Hyaluronic Acid to draw moisture from the atmosphere and lock it on the surface of the skin. Glycerin: Prevents moisture loss. Hyaluronic Acid: Hydrates + visibly firms skin. Research Results: Clinically tested.. Based on a US clinical and consumer study:. 200% increase in hydration levels instantly and keeps it there for 8 hours. 100% of participants had an increase in skin's moisture retention after 1 week. 94% saw an improvement in moisture after 2 weeks. *Euromonitor International Ltd; Based on custom research conducted Nov-Dec 2024, Retail Value Sales for 2023, Definitions per Beauty & Personal Care 2024ed..