- Nov 1, 2016
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For people who can't wait the three or four days for the wrinkle smoothing effects of botulinum toxin (Botox) injections to kick in, a new study shows facial exercise after the injections speeds the change in appearance by one day. This is the first time facial exercise has been rigorously tested in Botox. Faster time is important to patients who leave Botox for last minute before a social event.