What is the primary role of collagen in the skin?

Collagen plays a crucial role in maintaining the skin's structure and integrity. It is a protein that forms a significant part of the skin’s supportive framework, providing elasticity and firmness. As we age, collagen production naturally decreases, which can lead to sagging skin, wrinkles, and a loss of overall vitality. By offering structural support, collagen helps to keep the skin youthful and resilient, thus contributing significantly to its appearance and health.

While moisture retention, pH regulation, and cell turnover are also important factors in skin health, they do not directly relate to the primary function of collagen. Moisture retention is primarily managed by hyaluronic acid and other hydrating agents, while pH balance is achieved through various natural processes and skin care products. Cell turnover is a function of skin cell production and shedding regulated by different cells and processes within the skin. Hence, the defining role of collagen as a structural component is what distinguishes it in the context of skin physiology.