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Jaw anti-wrinkle injections (masseter): when you'll see results, how long they last, and what if they don't work | NassifMD Medical Spa Manchester

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Jaw anti-wrinkle injections (masseter): when you'll see results, how long they last, and what if they don't work

on Oct 17 2026
Jaw anti-wrinkle injections relax the masseter within days, but slimming takes four to eight weeks. Here's what to expect, how long results last, and what to do if they don't seem to work.