Cross-section illustration of the skin and face of a woman to show potential treatment for aging. On the left of the illustration, a cross-section of the skin with three types of wrinkles, deep, medium and superficial. A technique aims to fill the wrinkles (silicone, grease etc.) On the right of the illustration, a woman?s face shows the various face lifts and their action. Facelifts is plastic surgery that aims to correct sagging skin, generally due to aging. The technique involves detaching the skin and restretching it.