Perfect foundation: liquid, powder or mousse? Which one shall you choose?

I bet every second one of you continuously changes foundations in the hope of finally finding the right product: the perfect colour, the perfect consistency… most girls simply go for liquid foundations. Is it always a good solution? And what about their properties? Satin, mattifying, highlighting, or maybe lifting? There is also a foundation combining the action of a primer and a concealer, a kind[…]