The two products serve different roles and work well together, though each can also stand alone. The Hyaluronic Acid Serum is a water-based, lightweight gel serum with a very simple formula centered almost entirely on Sodium Hyaluronate. It’s designed to be applied first to damp skin where it draws in and holds moisture, and it absorbs almost instantly with no residue. The INTERCELL™ Hyaluronic Acid Day Créme is a cream-weight moisturizer that combines Hyaluronic Acid with emollient oils, Shea Butter, and Biosaccharide Gum-4, forming a protective surface layer that helps prevent moisture loss throughout the day. Used together, the serum delivers a deep hydration surge that the créme then seals in — a layering approach many users find significantly more effective than either product alone. If you use only one, the serum suits lighter-skinned or oilier skin types, while the créme suits those who prefer a more traditional moisturizing finish.
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