Collagen is the most important structural protein in our skin. Together with elastin and hyaluronic acid, it forms a framework that keeps the skin plump and youthful. However , starting at age 25, the body's own collagen production begins to decline by 1-2% annually. This process is accelerated by an unhealthy lifestyle, improper skin care, and hormonal changes. Collagen production in women, especially around menopause, experiences a significant decline. The result is a sunken face, sagging connective tissue, and wrinkles .