The effects of Botox generally last 3 to 4 months, though individual longevity can vary based on metabolism, dosage

https://www.mediafire.com/file/0ctuim4pj5vzkx6/pdf-68212-41338.pdf/file

The effects of Botox generally last 3 to 4 months, though individual longevity can vary based on metabolism, dosage, and treatment area.