Figure 7
From: The use of botulinum toxin in head and face medicine: An interdisciplinary field
Patient with gustatory sweating following parotidectomy. The deep blue color demonstrates the sweating area (left side of picture). The sweating area is marked with a waterproof pen and subdivided in boxes (middle). Following intracutaneous BTA injections, which have to be done intracutaneously, the affected area is completely dry after gustatory stimulation like eating an apple (see right side of picture).