Disclaimer - Important information from Allergan Pharmaceuticals. 
"Botox®️ is a prescription medicine containing 100 units of clostridium botulinum Type A toxin complex for injection. It is used for the treatment of severe frown lines and associated “crow’s feet” around the eyes. It should be administered by trained medical professionals. Talk to your specialist about the benefits/risks of this procedure in appearance medicine. Cautions: people with defective neuro-muscular transmission disorders, presence of infection at site of injection, glaucoma, pregnancy and lactation. Possible side effects include headaches, pain, burning or redness at injection site, local muscle weakness including drooping eye lids, lack of feeling & nausea. If you have side effects or concerns, speak to your doctor. A charge applies. Allergan Pharmaceuticals, Auckland.” “Note: Botox®️ treatment lasts about four months and after this time further courses of treatment may be necessary. Speak to your specialist about your own situation.”