Reviewed and recommended: YSL Teint Parfait
You can wear it over foundation, in which case you miraculously look like you aren't wearing any. Or on its own. I usually take it neat, not being a big foundation person (except for days when I am an emotional wreck and have the self-esteem of a jilted 17-year-old). Teint Parfait is really more of a highlighter than base or foundation; it balances out the the skin tone, warms you up and looks natural.