Botox, when injected, relaxes the muscles. It is typically used in the upper face — the crows feet, frown lines and horizontal forehead lines. It is also used to slim the face (by injecting into the masseter muscles in the jawline) and for excessive sweating in the underarms and hands and feet.
After injecting the Botox, it can take anywhere from two to eight days to start working. I will review the patient at two or three weeks to check the results. At eight weeks, the movement will start coming back, and at 12 weeks, the movement should be about 50 percent back to normal. At 16 weeks, the movement will be about 80 percent. It is good to re-treat sometime between three and four months.