Reduction of the amount of collagen in skin leads to weakening of dermoepidermal junction, skin sagging and aging. Farmstay Collagen & Hyaluronic Acid All in One Ampoule is a functional ampoule which consists of Marine Collagen known for its similar structure with human skin. Marine collagen and hyaluronic acid play a key role in tightening and moisturizing skin, which prevents moisture evaporation and preserve skin moisture. Vitamin particle in the ampoule also helps to make your skin transparent and healthy.