How Long Does Botox in the Masseter Muscle/jawline Really Last?

April 8, 2011
Asked By:Unoq

I only had 15 units per side 4 wks ago & it "worked" far too well! My doc says it'll wear off in 3-6 months, many Realself docs have stated 4-6, but I've heard reports that botox for jaw reshaping lasts way longer than in the forehead, i.e. 9-12 months! Some even say it's permanent (!!!) Going by averages, how long will it be before jaw botox actually begins to expire, and from there, when can one expect to be back to their pre-botoxed state - if ever!? :S

Answers (21)

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February 26, 2019

Answer: 4-6 months

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February 26, 2019

Answer: 4-6 months

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January 7, 2018

Answer: Botox

John L. Burns Jr., MDBoard Certified Plastic Surgeon
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January 7, 2018

Answer: Botox

John L. Burns Jr., MDBoard Certified Plastic Surgeon
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November 5, 2016

Answer: How long will Botox last?

Richard Zienowicz, MDBoard Certified Plastic Surgeon
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November 5, 2016

Answer: How long will Botox last?

Richard Zienowicz, MDBoard Certified Plastic Surgeon
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October 18, 2017

Answer: Duration of Botox in the masseter muscles

1 person found this helpful
Umang Mehta, MDBoard Certified Facial Plastic Surgeon
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October 18, 2017

Answer: Duration of Botox in the masseter muscles

1 person found this helpful
Umang Mehta, MDBoard Certified Facial Plastic Surgeon
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October 18, 2017

Answer: Botox in masseter lasts 3-6 months, depending on dose

1 person found this helpful
Melissa Chiang, MD, FAADDermatologic Surgeon, Board Certified in Dermatology
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October 18, 2017

Answer: Botox in masseter lasts 3-6 months, depending on dose

1 person found this helpful
Melissa Chiang, MD, FAADDermatologic Surgeon, Board Certified in Dermatology
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