We know that anti-wrinkle treatments are worth their weight in gold, but dealing with sagging skin is another kettle of fish. Age brings with it a host of skincare challenges: new lines, deeper wrinkles, liver spots, dull skin and a loss of density. Levels of hyaluronic acid present in skin drop and our faces change: our skin becomes less plump, our cheeks hollow out and our cheekbones lose their volume. We can begin to look old and worn.