This document provides tips for common mistakes that can make you look older, along with advice on how to avoid them. Some key mistakes highlighted include using too much blush in the wrong areas, wearing thick foundation that settles in lines, excessive bronzer or shimmer that enhances lines, too much concealer under the eyes, thick mascara on lower lashes, dark lipstick that makes lips look thinner, and thick black eyeliner that is harsh. The document recommends techniques like placing blush higher on cheekbones and sweeping up, using a sheer liquid foundation, applying bronzer in a "C" shape, using a thin layer of concealer only where needed under eyes, lining only 1/3 of the upper l