Your face is made up of many small muscles that work in tandem to help us create the portfolio of expressions of which we are capable. As we age, these muscles lose their tightness and fail to support the facial skin, leading to sagging and wrinkles.Any time we exercise a muscle, we are increasing circulation to the entire area and oxygenating the cells, which helps it repair itself and function efficiently. Of course, the area around the muscle includes the skin (this explains why any time you’ve begun to work out, you might notice that even your skin seems tighter).Interestingly, the muscles...