NO makeup has a shelf life of more than three years. If you've had it longer than this, throw it out.
If you want to learn in the comfort of your own home, download a Youtube video on the subject by typing "makeup tutorial" in the search box.
During the day, you probably don't need dramatic color on your lips. Use a tinted lip balm instead, to give your lips color and all-day moisture.
A good foundation is the key - try Estee Lauder Double Wear light with SPF10: it goes on light and doesn't look cakey.
Use cool-toned lipsticks to make your teeth appear whiter. Conversely, warm-toned lipsticks will make your teeth appear more yellow.
Don't get stuck in a makeup rut. We all know people who looked great in their heyday but haven't moved on to a more up-to-date style.
Apply lip liner under your lipstick for longer staying power and to add depth.
Buy lipstain. It can double as blush, and holds its color far longer than traditional lipstick.
When contouring, stand directly below a light source, so you can see where the light falls and where the shadows are cast.
Apply a cream blush under your foundation for a more natural glow.