Woo is chock-full of products that I see regularly on the pages of fashion magazines. Diptyque and Tocca candles, Comptoir Sud Pacifique fragrances, Terax and Kiehl's hair products, Creme de la Mer moisturizer -- not that I can afford most of it, but it's great to go in and sample stuff. (Then I save up for the items that I like best.)
The service is friendly, which is nice to find in a store that carries such high-end merchandise. They are knowledgeable and happy to recommend products.
Woo also offers facials, waxing, lash tinting, manicures and pedicures.