Gravitational folds are a type of wrinkle caused by the effects of gravity. You can commonly see gravitational folds in smile lines or nasolabial folds. These folds occur with the loss of elasticity and collagen from aging, often appearing as sagging skin. Treatments for gravitational folds include surgical face lifts, but there are less invasive options, too. Consider incorporating a well-formulated moisturizing product into your daily routine, along with learning some facial massage and facial yoga moves.