this review title is: i have ordered twice the first bottle had an issue and the content is: i have ordered twice the first bottle had an issue after about a week where the stopper suction quit working so i could not get any drops into and out of the pipette so i had to throw it away so far the second bottle is working okay.there are other information for this review, one is this reviewer did purchase it and the other is 0 people think this review is helpful.