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Jawzrsize






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Rated 4.0/5 across 4,163 reviews — well received overall.
Customers find the jaw exerciser works well and helps tone facial muscles, with one noting fast results.
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I got this item a few minutes ago and this is my 1st so it's pretty good. I order 2 day shipping but got it a week later but the product is good. I just finish 10 sets of 100 reps and it only takes 20 min. I notice a difference but can really feel the difference. Other than the late shipping it would have been 5 stars. Ps you won't feel a burn until your 2nd set of 100 during the 40-55 range when it kicks in. Thanks again. Read more
I would like to give this thing a much higher rating for how well it has worked and helped me, but I am doing this because I have bought 2 of these exact pieces and they both have become damaged the same way. If you look at the pictures both have split in the exact same spot where the bite guard meets the ball. My first one lasted almost half a year before it did this, but my second one didn't even last a month. It doesn't surprise me that the split is in the weakest point where there is much less material than the rest of the ball. However, considering how fast the last one damaged I don't think it's worth getting anymore. Again I would love to rate this higher because it absolutely has worked and worked well. But, unless they improve the materials or design I will not be buying anymore of these kind of Jawzrsizer. Read more



I decided to try this out just to see if it would actually do anything. It’s a small tool you put in your mouth and bite down on to work out your jaw and neck area. This one is one of the higher resistance levels, so it takes a bit of effort, especially at first. It came with a little case and some extra bite strips, which was a nice touch. It’s pretty easy to figure out how to use—just bite and release over and over. I started doing it for a few minutes a day while watching TV. After a while, I could feel it working my jaw muscles, which is kind of the point. One thing I noticed is it takes some time to get used to. At first, my jaw felt a little sore, and the rubber has kind of a weird feel until you break it in. Also, it’s not something you want to use around other people—it looks a little odd and makes your mouth look pretty full when you're using it. Overall, it’s a different kind of exercise tool. Not life-changing, but if you're curious about working on your jawline or just want to try something new, this does what it says. Just know it takes a bit of patience and consistency to see results. Read more
Was skeptical at first, but the logic is there. Its weight lifting for your face. I used all three levels over the course of about two months and saw big differences in my jawline and chin. The trick I learned here is to use it daily, before bed would be best because it allows your face to rest. You must be willing to absolutely tire out your face muscles or the improvements won't appear. It gets easier after a while so I would recommend doing more and more reps/sets (about 500 bites a day) (50-80 bites per set). *TIP: chew a lot of gum* Would also recommend beginning on level 2, because level 1 becomes too easy after a couple of days. Lastly, it will tone your overall face but you must also be lean in order to give the jawline a more defined looked. Overall great product! Read more
It works, but the pressure hurt my teeth. I should have started with purple instead of green. Money well spent. UPDATE: I started using this 3 days ago and the bottom tooth mold is already worn down. Now it’s cutting into my gums. This is disappointing because of the guard lasts 3 days, I’d need 10 of them to get through one month of training. Which would actually be fine, but it seems that the molds aren’t sold separately. SECOND UPDATE: Okay so apparently the company offers replacement “bite strips” on their website, not Amazon. Each pair is $3.00, so a month’s supply would be $30 total. If anyone from Jawzrsize is reading this, you should really consider offering the bite strips on Amazon in bulk packs for the people who want to keep using your product. Read more
Looks funny while biting. Like sucking on a pasifier. Still, I like it. Pretty easy to use. Every now and then the mouth pieces become dislodged, but really no big deal. Going into my second week. I can see a slight difference in my jaw. I got this mainly to try and get rid of my puffy cheeks. I can see a slight difference there too. I notice how my jaw has gotten stronger. When I first started I could do about 30 bites before I needed a rest. Now I can do 50 or even 60 before a rest. I’m going to keep at it. We Will see what happens with two more weeks 300 bites a day. Read more
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