Botox is measured in units, and total units needed vary by area and patient
https://www.livebinders.com/b/3697224?tabid=d483246d-d3df-a7ae-00ac-f6fb8ebaf59e
Botox is measured in units, and total units needed vary by area and patient, reinforcing that dosing should be personalized rather than one-size-fits-all.