There are a couple of places that I recommend to purchase it - and I don't recommend that you look into another brand.
This is the real thing, and is not a "come after me wanna be".
There is nothing like Bare Escentuals (maker of the id bareMinerals™ line) - and their line has expanded to include the very smoothest, purest and most natural looking lip products, eye colors and other cosmetics. (As well as the finest in skin care.)
There is a very special post on the "For Health and Beauty" Blog - all about this, including where it can be purchased online (many times for a great discount):