After Botox for masseter muscle wears off, will my jaw return to my pre-injected state?

Cosmetic Treatments Questions › Category: Botox › After Botox for masseter muscle wears off, will my jaw return to my pre-injected state?

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A patient asked 5 years ago

I want my face slimmer though I quite like my face shape itself. I am wondering whether botox for the jaw will change my face shape at all (which I DO NOT want), or will it keep my overall face shape just slims it down a bit? I also wonder if i were to go ahead with the procedure, after the botox wears off, will my jaw return to pre-injected state or will I experience some unintended changes due to the botox (e.g., muscle doesn't grow up as big, or skin might loosen, etc) ? Thanks,

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Dr. Elham Jafari Staff answered 5 years ago

Botox for Jaw Slimming

Hi and thank you for your question! The effects of Botox are temporary, so any changes made is expected to revert back to baseline gradually as the Botox wears off although some effects might last longer. For example, if masseter muscle hypertrophy is related to overusing jaw muscles, and if you get used to not using it as much once you got the Botox injection, the muscle might not grow back as large as before once the Botox has worn off unless you start overusing it again. In general, we see patients needing less number of units of Botox needed in future repeat treatments of jaw muscle as the muscle gets less bulky. I hope it helps and good luck!

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