Masseter Botox may take longer to show visible slimming, often 4 to 8 weeks, as the muscle gradually reduces in bulk
https://escatter11.fullerton.edu/nfs/show_user.php?userid=9610564
Masseter Botox may take longer to show visible slimming, often 4 to 8 weeks, as the muscle gradually reduces in bulk, with chewing strength largely preserved.