From double chins to turkey necks, the neck can be a frustrating reminder that we can't always hide the effects of aging. Our skin is an amazing organ.

Despite the daily environmental damage it takes during our youth, it holds up pretty well. But by the time we reach 30, the years of accumulated damage begin to affect this skin on a cellular level, and subtle visual and tactile changes start to show up. At first, skin under the chin looks okay, but feels a little loose. Then by our 40s, there begins to be a little visual sagging. And by 50, what the f#(&, where did that come from?

Analogous to a rubber band that gets repeatedly overstretched, our skin ultimately loses its snap, and there is no other area on the body that undergoes the constant movement of the neck and jawline. As we get older, collagen, which is what gives our skin its str ...