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Jawline Gum Duo
We found that one pack always runs out right when your jaw starts really growing, which is exactly when most people quit. The Duo fixes that. Two packs, 80 sessions, enough runway to turn a few days of chewing into an actual habit. Same ultra-hard, fixed-resistance gum that's proven to work.
Proven
Easy
Safe for All Ages
Pick Your Training Approach
Ice Roller
$19.99
FREE
Cool, soothe, and refresh your face after every training session.
Buy once
$49
Strengthens & defines your jaw
Two flavors to that taste amazing
What you get:
Watermelon Flavor Gum
$24.99
Mint Flavor Gum
$24.99
What flavors are included?
You’ll receive one bag of refreshing Mint Gum and one bag of Watermelon Gum.
How does hard gum train my jaw?
Its higher chewing resistance challenges your jaw muscles more than ordinary gum, helping you create a consistent daily training routine.
How often should I use it?
Begin with shorter chewing sessions and gradually increase as your jaw adjusts. Stop training if you experience pain or discomfort.
AR
The gum has perfect resistance for a serious jaw workout. Having both flavors makes training more enjoyable.
Alex R.
Verified buyer
JM
The complete system makes it easy to train consistently. I especially love using the cooling Ice Roller after each session.
Jordan M.
Verified buyer
See the difference consistency makes
Results are not guaranteed. Individual outcomes vary depending on baseline factors, consistency, and accuracy of use.
Your jawline has a muscle. This trains it.
The masseter is a real, trainable muscle. It responds to resistance the same way your biceps do. Train it consistently and it grows, tightens, and defines your jaw over time. That's the idea behind Build, Condition, Stabilize, Mayena's own framework for how this works.
Build
Ultra firm resistance activates the masseter from the first chew. This is the hardest stage. Your jaw is meeting real load, often for the first time.
Condition
Keep at it daily and the same resistance gets easier to work through. The gum hasn't changed. Your jaw has.
Stabilize
Regular use holds onto the strength and definition you've built. This isn't a one time workout. It's a routine.
5 Reasons Most Men Don't Have a Defined Jaw
They Never Trained It
You don't need better genetics, filler, or a $500 gadget. You need to train a muscle you've never trained. That's the masseter, the muscle that actually shapes a defined jawline.
They Didn't Know It Could Be Trained
Chewing against real resistance works your masseter the same way lifting works any other muscle. So it grows. It tightens. It defines your jaw over time.
They Never Tried Hard Gum
Mayena is one of the leading facial training brands on Amazon, with 5,000+ reviews. Jawline Max Gum is 10x tougher than regular gum. One piece. Fixed resistance. Built for real training, not casual chewing.
No Time For The Gym
It fits into a life that's already full. Ten minutes while you're driving, at the office, or watching the kids. No gym trip required.
It's Just Gum
One pack gives you 40 sessions of real jaw training, a piece a day. Many guys start noticing their jaw taking shape by the end of the first pack.
What to expect the first week
This isn't regular gum, and your jaw will know it on the first chew. Here's the timeline customers actually report. Not the highlight reel.
Genuinely tough. That's expected.
Start with 5 minute sessions. Real jaw fatigue in the first few sessions is normal. It's a sign the resistance is doing its job.
"If you're new to jaw exercising, start slow. This gum is VERY firm, and your jaw will feel it!" Tachi A. ★★★★★
It starts to give.
Customers consistently report the same piece getting noticeably easier to chew day over day as the jaw adapts.
"When I first got it, it was a bit hard to chew but as the days go by, it got a lot easier to chew." mikhail ★★★★★
It becomes routine.
Most people move to twice daily, 5 minute sessions around this point. Before a workout. Or just built into the day.
"I did the recommended 5 mins twice daily and now the gum is easier to chew but still gives me a workout." Roelene ★★★★★
Results Timeline
Jaw training compounds. Here's the general arc customers report from consistent use, phase by phase.
Weeks 1–4
Facial activation, light firmness, circulation boost.
Weeks 4–8
Visible tone, facial firmness, reduced puffiness.*
Weeks 8–12
Sharpened jawline contours, masseter shaping, jaw strengthening.*
Weeks 12+
Noticeable jaw widening, masseter growth, chiseled jawline.*
*Results are not guaranteed. Individual outcomes vary depending on baseline factors, consistency, and accuracy of use.
What people are actually saying
"If you're looking for something to really target your masseter muscles and give your jaw a high-intensity workout, this does the job... Definitely lives up to the 'ultra-hard' label."
"I always pop one of these in my mouth before starting my workout, and by the end, my jaw really hurts. They're pretty harsh, as advertised, with a fresh mint flavor."
"Your face will be flexed solid after 5 to 10 minutes crushing this gum, and it tastes good."
"Exactly as advertised. This gum is a very hard chewing gum. There can even be a slightly sore feeling in the jaw after chewing."
"When I first got it, it was a bit hard to chew but as the days go by, it got a lot easier to chew."
"I did the recommended 5 mins twice daily and now the gum is easier to chew but still gives me a workout."
What science says about resistance chewing
The results are consistent with the hypothesis that training load and intensity matter. Ordinary repetitive chewing produced functional adaptation without detectable hypertrophy in a young-adult trial, whereas dedicated resistance-chewing protocols produced both functional improvement and measurable masseter growth in older adults. This comparison spans different studies and populations, so it doesn't isolate resistance as the sole causal variable, but the pattern lines up with why Jawline Max Gum is built firm rather than soft.
| Training | Bite force | Masseter thickness | Population | Duration |
|---|---|---|---|---|
| Ordinary gum, 3x/day | Significant increase (~26% at 3 months) | No significant change | 58 healthy young adults | 6 months |
| Resistance chewing exercise | Significant increase | Significant increase | 40 adults age 65+ | 6 weeks |
| Resistance chewing +/- NMES | Significant increase | Significant increase | 40 older adults | 6 weeks |
Ordinary gum randomized trial (2024), PMID 39215439: pubmed.ncbi.nlm.nih.gov/39215439
Dedicated resistance-chewing randomized trial (2020): pubmed.ncbi.nlm.nih.gov/32589302
Resistance chewing with/without NMES randomized trial (2020): pubmed.ncbi.nlm.nih.gov/32646041
These are independent, peer-reviewed studies of repetitive and resistance-chewing exercise in general, not clinical trials of Jawline Max Gum specifically. They're shared here as supporting context, not a guarantee of results.
Before you start
It's genuinely firm. That's the point, since resistance is what drives the muscle work. Start with 5 minute sessions and expect some jaw fatigue the first few days. It gets easier as your jaw adapts, usually within the first week. New to jaw training entirely? Ease in slowly rather than jumping straight to twice a day.
Some soreness after your first few sessions is normal. It's the same response you'd get starting any new resistance exercise. If it feels like more than mild muscle fatigue, take a rest day.
Longer than you'd expect. This isn't a one and done stick of gum. Many customers get multiple sessions out of a single piece across several days. Keep it somewhere cool, it stays firmer longer than if left somewhere warm.
Mewing and posture based methods work on jaw alignment, not muscle. This works the masseter directly through resistance. Same principle as strength training any other muscle. Measurable load, applied consistently.
You're covered by a 90 day risk free trial. Results depend on consistency, but if you've given it a fair shot and it's not for you, you're not stuck with it.
90 Day Risk Free Trial
Give it a real shot. If it's not for you, you're covered.
2 Year Warranty
Standard on every Mayena training product.
Free Shipping & Returns
Included on every order.