80 vs 81? For adults over 21, NIHB will only cover 81mg or more
Health Advisories

Health Canada has seized several injectable drugs and medical devices, including products labelled to contain botulinum toxin type A or hyaluronic acid from Vivian Spa, located at 11-3415 Dixie Road, Mississauga, Ontario, because they are unauthorized and may pose serious health risks. These products may have been administered as treatments for cosmetic purposes. 
