If you want to hide any impurities in your skin or get a more even skin tone, then a foundation such as this is a good choice. This product was not tested on animals.
From John Lewis & Partners
Urban Decay Stay Naked Weightless Liquid Foundation
Selfridges
Urban Decay 20cp Stay Naked Weightless Liquid Foundation 30ml
Cult Beauty
Urban Decay Stay Naked Foundation (Various Shades) - 20CP