14
Participants
Start Date
January 4, 2019
Primary Completion Date
June 14, 2019
Study Completion Date
June 14, 2019
Botulinum toxin type A
Botulinum toxin type A will be administered to both sides
2.5% lidocaine/2.5% prilocaine
2.5% lidocaine/2.5% prilocaine will be applied to one side of the forehead
petrolatum ointment
petrolatum ointment will be applied to one side of the forehead
Robert Cizik Eye Clinic, Houston
Robert Cizik Eye Clinic
OTHER
The University of Texas Health Science Center, Houston
OTHER