this review title is: did not work and no results after prolonged regular usage and the content is: useless have been using for more than weeks now and have noticed no difference whatsoever i read on online articles that retinol does help with aging skin issues may be this product is of inferior quality or does not have enough active ingredient i will look for something that is professional strength to see faster results it is a small bottle might last you a month of regular usage times a day.there are other information for this review, one is this reviewer did purchase it and the other is 2 people think this review is helpful.