Thanks for the question. There are five areas I commonly treat with Dysport and Botox:
1) horizontal forehead wrinkles
2) vertical wrinkles between the eyebrows
3) crow's feet
4) platysmal bands (neck bands)
5) masseter (bite) muscles: to reduce teeth grinding (bruxism) or shrink the jawline in patients with large, square jaws.
The effects of these neuromodulators usually last between 3 and 4 months though many of my patients have been able to break the habit of continually making these expressions or movements and are able to stretch out their treatment sessions to 6 to 9 months apart. This is particularly true of my teeth grinding patients, who usually come in once or twice a year.
As for your questions about retreatment, if you have received an adequate, properly placed dose, I would wait at least 3 months before being retreated in the same area. However, if you feel your wrinkles have not responded as you would like, you may be a candidate for a touchup of a few extra units. I usually advise my patients to wait 7-10 days for the effect and return for a complimentary touchup if they have not fully responded. If you are interested in having a different area treated, you can do this at any time.
Best regards,
Dr. Mehta