Foundation is one of the trickiest make-up basics to master. Here, we share our top tips for a flawless complexion. No matter your skin type — oily, dry, sun-damaged or acne-prone — we've got you covered. By Joanna Barry

Bad: Drew Barrymore looks rather ghostly with her too-pale shade.
Choose a foundation that matches your complexion. Obvious advice, sure, but it's wise to ask for an outsider's opinion before you commit to a shade. If in doubt, choose a colour slightly lighter, rather than slightly darker than your skin tone. And never test it on your hand — your face is rarely the same colour as the rest of the body.