this review title is: new sealed package product gone bad and the content is: bought these duo used the first one product itself is okay opened this bottle to use today but noticed that its formula is different or has changed product doesn t expire until next year i shook the bottle to see if it would mix but it didn t looks like mucus disgustingcan i please exchange for a new one.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.