how many units does it take for botox on forehead?
How much Botox is permissible on the forehead? Botox comes in dosages between 50 and 200 units per syringe. Some practitioners say they inject an average of 8 to 20 units into the forehead. Allergan, the manufacturer of Botox Cosmetic, suggests a dosage of 4 units each in five sites on the forehead, totaling 20 units.