This Review Title is Expensive Mouthwash, might counteract coffee drinking and the content is: I don't really think this has made my teeth whiter. (Been using for 6 weeks.) But I didn't honestly expect it too. My teeth are stubborn. Always brushed, never drank coffee/wine, never smoked... They still off-white..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.