Supersmile Whitening Pre-Rinse - Clinically Formulated Pre-Brush Dental Mouthwash, Cleans and Whitens Teeth in Hard-to-Reach Places - Fresh Breath - Anti-Germicidal - Alcohol-Free (16 Fl Oz)

I've used all the big name brands of mouthwash, from Listerine to Act. The final straw was a horrible experience with Crest Pro-Health which started clearly staining my teeth and orange/brown color (which I tried to combat by using MORE until I realized it was doing it).Ranting aside, I needed something new and fast. I had just become a coffee drinker from a new early shift at work, and combined with the Crest experience, my smile had seen better days. To get straight to the point, this mouthwash works.The best way to tell if a mouthwash is working well (or any whitening product) is to not tell anyone that you're using it. Within 3 days I had been receiving compliments from everyone around me, and I definitely noticed it myself.The product had started hurting after about a week, but I wasn't too surprised since I have sensitive teeth. I had been using it twice a day which was too much for me. Since then I have cut back to once a day and have added water (about 1/3 by volume) to the solution. The bottle suggests a half and half mixture but this works fine. It's still whitening excellently for me.I used to get dry mouth throughout the mornings when just using toothpaste and flossing but this has eliminated that. It keeps my breath fresh until after lunch (so for about 6 hours) even given coffee and a granola bar or so. I hadn't expected it to be so effective, as I was only looking for something to whiten my teeth, so this was a very much welcomed bonus.It may seem expensive, but you barely need to use any to get results from my experience. A previous reviewer suggested 1 1/2 tablespoon which seems about right. I don't measure, but simply put just enough in to be able to swish it around in my mouth. It may be even less than 1 1/2 tablespoon. I also have diluted it with water. That being said, while the price tag may scare you, you do NOT need to use much and one bottle can last a very long time.A few side notes - 1.) Just a reminder that this is a PRE-rinse, and it's recommended that you brush your teeth 30 seconds AFTER using the mouthwash. 2.) The bottle mine came in was all white and did not match the picture but it's the same stuff.Definitely give it a try if you're looking for a whiter smile. I was hesitant due to the fact I had never heard of/seen the brand before but will be sure to try more of their products after my success with this. I don't know how many "shades" whiter or whatever this gets but it's more than noticeable.