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When Will I Notice the Results of the Botox?

Botox typically takes 2-3 days to begin to work. The complete effect can take about a week. If after a week you haven't seen an improvement you should see your doctor. Pre-injection and post-injection photos can be very helpful in documenting the improvement. Your doctor should also keep close records documenting how much they've injected, at what concentration and where.

Clinical Context

Botox needs time to reach and bind to the nerve endings that control the treated muscle. Once bound, it enters the nerve cell and blocks a protein required to release the signal that triggers contraction. This process takes a few days to get going, so many patients notice softening around day 2-3. Full results usually appear within one to two weeks, since the effect builds gradually as more nerve endings become blocked. Comparing before-and-after photos is a simple way to track your own progress.

Answered by Dr. Steven Williams, President Emeritus of ASPS

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