Regardless of which look you're going for, a good foundation is the key for an even makeup application. Among other things, this product helps battle blemishes.
From Amazon
Bobbi Brown Skin Foundation SPF15 1.25 Cool Ivory 30 ml
Jarrold
Bobbi Brown Skin Foundation SPF15 30ml - COOL IVORY
Selfridges
Bobbi Brown Cool Ivory Skin Foundation Spf 15 30ml