Trilogy Hyaluronic Acid+ Ultra Serum delivers intense, lasting hydration. This water-clear serum deeply moisturizes and plumps skin using three molecular weights of hyaluronic acids and Glycoin. It supports collagen production with peptides, enhances elasticity, and is fragrance-free. The formula is dermatologically tested for sensitive skin and provides up to 8 hours of hydration, leaving skin feeling soft and refreshed.