Hyaluronic Acid – keeps collagen, retains your skins moisture, so skin appears more supple and wrinkle free. firms the skin around the eye area, increases moisture to get rid of puffiness, and soften fine lines on the rest of the face. Hyaluronic acid penetrates easily, which is why it works so well when applied topically. Our skin is the largest organ in the body and absorbs up to 60 percent of nutrients we apply to it.