Liquid foundations tend to blend easily and offer a range of coverage from sheer to full. Use an oil-free liquid if your skin is oily; an illuminating one if it's dull or dry; a more highly pigmented full-coverage foundation if you want to cover breakouts or discoloration. Stick foundation is good for spot coverage—on your chin, for example, or around your nose.
Try a cream foundation if you want allover, long-lasting coverage. To keep it from looking too heavy, apply it with a foundation brush, which will spread it lightly, says Pati Dubroff, a Dior celebrity makeup artist. Powder and mousse, which give lighter coverage, look best on clear and evenly pigmented skin.