Our retinol and Hyaluronic acid serum contains glycolipids to increase absorption of ingredients into the skin without irritation. Glycolipids protect the time released retinol molecule from oxidation, ensuring its complete stabilization. A very efficacious formula with Hyaluronic acid, retinol, plant botanicals, and soluble collagen. Glides on beautifully for a hydrated, smooth, and soft appearance to the skin.