Weak jawline - would Botox in the muscle create a sharper jaw? (Photos)

Question

Muscle from the neck into the jawline is sharp/tight, and it makes jaw seem not sharp. Even worse with double chin and short chin. Would botox in this muscle (platysma?) help? or a neck lift? or what else would help that. Normal weight otherwise, just weak jawline.

Anna Chacon, MD, FAAD · Answer

Thank you for the detailed description—this really helps clarify what you’re noticing. What you’re describing sounds very consistent with platysmal band tension, where the muscle that runs from the neck up into the jawline can pull downward and blur the definition of the jaw. This can sometimes make the jawline look less sharp, especially when combined with a smaller or shorter chin and a bit of fullness under the chin.

Botox in the platysma (often referred to as a “Nefertiti lift”) can help in the right situation. By relaxing this downward-pulling muscle, it can create a subtle lifting effect along the jawline, improving definition. That said, the results are typically modest and temporary, and work best when muscle tension is a significant part of the issue.

If the concern also includes a short or under-projected chin, Botox alone won’t address that. In those cases, chin and jawline fillers can add structure and projection, which often makes a much more noticeable difference in overall balance.

For fullness under the chin (even at a normal weight), options like fat-dissolving treatments or skin-tightening procedures can help refine that area.

A neck lift is a more definitive option, but it’s usually reserved for cases with more significant skin laxity or muscle banding that doesn’t respond well to non-surgical treatments.

In many patients, the best improvement comes from a combination approach—relaxing the platysma with Botox while adding structure to the chin/jawline and addressing any under-chin fullness. Even small adjustments in these areas can make a noticeable difference in how sharp and balanced the jawline appears.

Nelson Lee Novick, MD · Answer

A new injection technique where droplets of Botox are injected in a targeted fashion along the upper and lower jawline and upper neckline, rather than in the usual "Nefertiti" approach, can work well for better defining the jawline and tightening the submental region. If necessary, HA filler can be additionally used to define and straighten the jawline. 
You would be wise to consult with an experienced, board certified cosmetic dermatologist injection expert and best of luck.

Weak jawline - would Botox in the muscle create a sharper jaw? (Photos)

Answers (2)

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