Yves Saint Laurent Touche Eclat, £25, Debenhams

Yves Saint Laurent Touche Eclat is pretty much the most famous concealer on the planet. Need we say more? It has won just about every beauty award going (including InStyle's Best Beauty Buys). Not only is it one of the best concealers for dark circles but it doubles up as a highlighter, too. It's now available in 10 shades.