Botox onset varies; some see changes in 48 hours, while full smoothing typically appears by day 10 to 14

https://botoxinnewyork.blogspot.com/2025/11/step-by-step-breakdown-of-botox.html

Botox onset varies; some see changes in 48 hours, while full smoothing typically appears by day 10 to 14, depending on area and individual response.