Which of the following factors affects collagen production in the skin over time?

The primary factors affecting collagen production in the skin over time include genetics and environmental influences. Genetics play a crucial role in determining the baseline efficiency of collagen synthesis and degradation, influencing how quickly or slowly one may age in terms of skin appearance. Environmental factors such as sun exposure, pollution, smoking, and diet can significantly impact collagen levels. For example, ultraviolet (UV) radiation can accelerate collagen breakdown and reduce its synthesis, leading to wrinkles and sagging skin.

In contrast, while hydration, regular facial treatments, and the use of oils and lotions may temporarily improve skin appearance and texture, they do not directly influence the long-term production of collagen. Increased hydration can enhance the skin's turgor and overall appearance but does not inherently increase collagen production. Similarly, regular facial treatments might promote healthy skin and improve circulation, but they often do not address the intrinsic cellular processes that govern collagen synthesis. Likewise, while oils and lotions can create a barrier to moisture loss and improve hydration, they generally do not have a significant impact on collagen production at the biological level.