Collagen is essentially the glue that holds the body together. This protein makes up over 80 percent of our skin and is the main component of our ligaments and tendons. On an aesthetic level, collagen provides the structural latticework in the dermis layer of our skin that makes the young skin firm and supple, yet elastic. The problem is that every year after our 20th birthday, our bodies produce one additional percentage point less collagen. By 50, we have third less collagen to work with.  Vitamin C is necessary for our body to synthesize large amounts of collagen for growth and replacement of collagen that is degraded by daily wear and tear. Collagen cannot be built naturally in the body with the assistance of vitamin C. By combining vitamin C with collagen in a supplement, ensures the body can use the collagen.  The liposomal aspect of these supplements is the delivery method of vitamin C. Vitamin C is a water-soluble vitamin, so it cannot penetrate fat-soluble cells effectively, creating an absorption rate of oral vitamin C of only around 20 percent. But when vitamin C is encased in liposomes, which are fat-soluble, this allows vitamin C to penetrate the fat-soluble cellular walls, delivering the vitamin C where the nutrients are needed the most. The absorption rate with liposomal vitamin C is about 90 percent.