I have been wondering the same thing and have noticed a lack of real user information. There seems to be a divide like most cosmetics - there is the easy to find and cheap product ($10) online and in drug stores but then there is the only on line expensive ($50 or more for 1 ounce) product. Think about it... you want face moisturizer. You can by $10 olay at walgre3ns or you can buy fancy, tiny bottle at the mall. It's like that but you can't find anal bleach at the mall! I am considering porcelana from drugstore online. I will come back if I follow through with it.