For fine upper-lip lines, micro-Botox can reduce pursing without impairing speech

https://www.scribd.com/document/1008600723/Botox-Wrinkle-Relaxing-Treatment-What-Happens-During-the-Procedure-177531

For fine upper-lip lines, micro-Botox can reduce pursing without impairing speech. Conservative dosing protects lip function while smoothing vertical creases.