These regions include things like the glabellar area involving the eyebrows, horizontal traces around the forehead, crow's toes round the eyes, as well as round bands that sort throughout the neck secondary to platysmal hyperactivity.[132] Also in 1987, Jean and Alastair Carruthers, both Medical professionals in Vancouver, British Columbia, https://botulinumtoxins06252.hazeronwiki.com/7865137/the_basic_principles_of_botulinum_toxins_mechanism_of_action