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

https://www.scribd.com/document/1008910624/Botox-Masseter-Treatment-Clenching-Relief-and-Facial-Slimming-127152

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