Reduced collagen in the skin results in a weak dermo-epidermal junction causing sagging skin & aging. Farm Stay Collagen & Hyaluronic acid All in One Ampoule is a functional ampoule care line whose main ingredient is collagen especially marine collagen that is remarkably similar to skin structure. Marine collagen & hyaluronic acid play a role in tightening & moisturizing your skin which prevents the skin from being dry & keeps it moisturized. & also vitamin scrub one of the ingredients will make your skin transparent & healthy.