BOTOX® Cosmetic for Jaw Reduction in Los Angeles

What Is The Masseter Muscle?

The masseter muscle is one of the more powerful muscles in the body. Wrapped around the jaw bone, the masseter’s job is to open and close the jaw in speech and eating.

When this muscle enlarges, the shape of your face can change – sometimes quite dramatically. For some women, this sometimes presents a perception of appearing somewhat masculine.

Patient of Dr. Rebecca Fitzgerald – Masseter Reduction

How Can I Reduce the Size of My Masseters?

Any of the neurotoxins can successfully be used to reduce the ability of the masseter muscle to exert heavy force. This reduced force allows the muscle to return to a normal size and shape.

The treatment is simple, with results lasting 4 to 6 months.

What Causes Jaw Muscle Enlargement?

Normal action on its own does not usually cause this type of muscle enlargement – though if you tend to eat a lot of nuts, chew on hard candy, or chew gum often with a lot of force, chewing alone can be the cause. The more frequent causes are teeth grinding and unconscious clenching of the jaw.

Anxiety and stress are bedfellows for a lot of people, and often, it is not until you see the shape of your jaw become more square that you even realize you are clenching or grinding. Your dentist can provide help with teeth grinding, and once you are aware of tenseness or clenching in your jaw, you can take steps to reduce the tension or at least redirect it with injections of the chosen neurotoxin.

One dentist recommends the following mantra before going to sleep – Three times say out loud, “Lips together, teeth apart”.

FitzgeraldRebecca masseter muscle minfo

Considerations When Using Neurotoxins for Reducing Jaw Muscle Size

There are glands in the same area that must be avoided, so patients are encouraged to only undertake this treatment with a physician who has plenty of experience. Also, the dilution of the product for masseter treatment is not the same as standard frown-reducing injections. This must be respected, or you could have an awkward function of the jaw muscle. Used in this area, neurotoxins are considered “off-label” and should only be provided by a thoroughly experienced and knowledgeable physician.

Why You Should Choose Dr. Fitzgerald

Dr. Fitzgerald is an international trainer for nearly all FDA-approved injectables. She is a primary instructor in the prestigious P.A.L.E.T.T.E Resources Program, which provides aesthetic injection instruction for doctors throughout the U.S.

Your injections for jaw reduction in Los Angeles are provided only by Dr. Fitzgerald.

Schedule Your Consultation Jaw Reduction Injections in Los Angeles Today!

Call our office today for a consultation or treatment for jaw reduction in Los Angeles.

Extra FAQs

The product is the same, but the dilution is very different. We don’t want to prevent muscle contraction of the masseter, we simply want to lessen its power.


Like Botox Cosmentic used anywhere, the time to effect is over a couple of weeks.

It will take time for the bulkiness of the masseter muscle to lessen. Be patient.

Safety is the first priority. You’re advised to choose a physician who has ample experience and anatomical knowlege of the face and underlying nerve and gland placement.