Consecutive 30 female patients presenting to our clinic for brow lifting with botulinum toxin will be randomized to receive one of the two injection techniques

NCT02942303_inc_T1
Procedure
brow lifting
NCT02942303_inc_T2
Drug
botulinum toxin
NCT02942303_inc_T3
Person
female
NCT02942303_inc_T4
Multiplier
30