this review title is: do not purchase until reading the details and the content is: this larger bottle of joyal hyaluronic acid does not contain hyaluronic acid only the ounce bottle of joyal contains hyaluronic acid which is the highest percentage of any other hyaluronic acid on the market very deceptive marketing.there are other information for this review, one is this reviewer did not purchase it and the other is 3 people think this review is helpful.