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Dysport
Can Dysport make a difference in sliming the lower shape of my face?
Dysport can slim the lower face when the fullness comes from enlarged masseter muscles rather than fat or bone. The masseter is the chewing muscle at the jaw angle, and in some people it's simply overdeveloped from years of clenching or grinding. Injecting Dysport into the masseter causes it to relax and gradually shrink, which narrows the jawline over a few months. This works well for muscle-driven squareness but won't help much if your jaw width is from fat, skin laxity, or the underlying bone structure itself.
Buccal fat sits in a different location, in the cheek in front of the masseter, and removing it changes cheek contour rather than jawline width, so it addresses a separate problem.
Without an exam I can't tell you which factor is driving your particular shape. A consultation where a board-certified plastic surgeon can palpate the masseter while you clench, and look at the fat and skeletal contribution separately, will tell you whether Dysport, buccal fat removal, or neither is the right tool.
Clinical Context
Masseter injections for jaw slimming are an off-label use of Dysport, though common in practice. Effects appear gradually over several weeks, and treatment is usually repeated every few months to maintain the slimmer contour, since muscle bulk can return if clenching continues. Temporary side effects can include an asymmetric smile or mild difficulty chewing tougher foods. It's reversible and non-surgical, but ongoing maintenance and cost are worth discussing with your injector.
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