I want my face to appear less round - Is masseter Botox ideal for me? Suggestions? (Photos)

Question

Looking to get rid of my round face. I’m not sure if my masseters are the problem and/or i should get another procedure done to slim the bottom of my face. Ill be going to korea to get the work done.

Kally Papantoniou, MD, FAAD · Answer

Masseter Botox can help slim the lower face, but only if the width is actually coming from enlarged jaw muscles. If your facial shape is more related to bone structure or soft tissue, it won’t make a meaningful difference. Some patients benefit more from overall facial balancing. In some cases, that's softening the lower face, but other times it’s adding subtle structure through the chin or jawline to create more definition. It really depends on what’s driving the shape.

This is one of those situations where an in-person evaluation matters, especially if you’re considering treatment abroad. You want someone to assess muscle bulk, facial proportions, and your goals so the approach is tailored rather than just defaulting to masseter Botox.

This is one of those situations where an in-person evaluation matters, especially if you’re considering treatment abroad. You want someone to assess muscle bulk, facial proportions, and your goals so the approach is tailored rather than just defaulting to masseter Botox.

Behnoush Zarrini, MD · Answer

Masseter Botox is absolutely the ideal first step for your facial structure because your lower face fullness appears to be driven by muscular volume rather than just bone or fat. By injecting a neuromodulator like Botox or Daxxify into the masseter muscles, we relax the tension that causes them to bulk up, leading to a significant slimming of the jawline as the muscle atrophies over the next four to eight weeks. This procedure is the gold standard for transitioning a rounder facial profile into a more refined V line shape without the need for invasive surgery. Since you are heading to Korea, you might also consider an assessment for buccal fat pad reduction or submental contouring if soft tissue persists after the muscles have slimmed down, though I find that most patients with your anatomy achieve their primary goal through masseter relaxation alone. At Beverly Wilshire Aesthetics, we focus on high precision dosing to ensure your jawline narrows significantly while maintaining a natural, balanced appearance. When you clench your teeth together tightly, do you feel a prominent, hard knot of muscle popping out at the corner of your jaw?

Paul Flashner, MD · Answer

Hi! For slimming and defining the lower face, jawline filler can help add structure and contour, but it is something you’d need to maintain over time.

Morpheus8 is also a great option if you’re looking for more longevity—it helps contour the jawline, can reduce some fat, and stimulates collagen and elastin. Results typically last around 2–5 years.

A proper assessment would help determine if your masseters are contributing as well, but these are both great options to consider

Wipanee Akarapusit, MD · Answer

Thank you for sharing your photos. Facial fullness can be influenced by several factors, including masseter muscle size, facial structure, soft tissue volume, and overall facial proportions. In some patients, Masseter Botox may help create a slimmer lower-face appearance, particularly when enlarged jaw muscles contribute to facial width.
However, treatment planning depends on the underlying anatomy and the balance of the face as a whole. In some cases, a combination approach may be more helpful for improving facial contour and harmony. An in-person assessment would be helpful to better understand which approach may best match your features and aesthetic goals.
Wipanee Akarapusit, MDMember, American Society for Laser Medicine and Surgery (ASLMS)

Camille Cash, MD · Answer

Yes masseter Botox should help to slim the jawline.  The treatment is done in the office with results developing over several weeks.  Be sure to see an expert injector.  I've included a video that I hope you find helpful.

I want my face to appear less round - Is masseter Botox ideal for me? Suggestions? (Photos)

Answers (5)

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