Chocolate Mousse For Your Face

When I first saw this product I honestly had no idea what it was. The bottle just said, "Colorescience Chocolate Mousse." Cryptic! I had no press materials and no background information at all; the little bottle had come from the depths of a gift bag from a press event (I think).I was intrigued. What was it? Some kind of body lotion? A facial treatment? Aromatherapy? I read the back of the bottle