Hyaluronic Acid and Collagen ComplexThe golden bottle contains hyaluronic acid to help preserve skin freshness*. This formula is composed of hyaluronic acid, type II collagen, and chondroitin in una highly absorbable form. Vitamin C*, combined with these 3 nutrients, contributes to collagen formation to ensure normal skin function. Hyaluronic acid is included in the patented BioCell Collagen extract, patent 1997.