Glycation can also cause damage to a cells support structure. Also, glycation only occurs when there are free radicals, so this makes antioxidants an even more important step in maintaining healthy skin. Second on the list is free radical damage.

Free radical damage is caused by the environment. Free radicals are atoms with extra electrons that seek out electrons from healthy cells (cells from all parts of the body), damaging those cells. This damage leads to dull and older looking skin. Antioxidants fight free radicals by binding to them before they can cause damage.

One powerful antioxidant is Vitamin C.If you don't believe me, try this experiment. Cut an apple and rub lemon juice on half of it and leave the apple exposed to air; you'll see that the half without lemon juice is browner. There are many good Vitamin C products that you can buy; my personal favorite is Obagi Professional C Serum, 20%. In addition to this, you should also eat fruits and vegetables high in antioxidants. As a general rule, the darker and more vibrant fruits and vegetables are the better.

Last, but not least, MMPs (collagen eating enzymes). UV rays and inflammation can stimulate MMPs production; moreover, as we age, the amount of MMPs in our bodies naturally increases. This leads to sagging skin and wrinkles. To keep MMPs production under control, you should use topical retinoids and sunscreen.

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