PHL Collagen Plus Vitamin C Veggie Caps is an excellent anti-aging formula made from premium ingredients which improves skin quality. It contains hydrolyzed bovine collagen, a form of protein that is mainly derived from cows that may be especially useful for reducing wrinkles, promoting elasticity, and increasing skin moisture. In addition, it also contains vitamin C, iron, zinc, copper and MSM (Methyl Sulfonyl Methane).