BOTOX® Cosmetic blocks the release of a substance called acetylcholine. This reduces muscle activity that causes moderate to severe wrinkles to form.
What were common side effects seen in clinical studies?
Three percent of patients experienced eyelid drooping in the frown lines studies and 1% of patients experienced eyelid swelling in the crow’s feet studies. Other possible side effects include: dry mouth, discomfort or pain at the injection site, tiredness, headache, neck pain, eye problems: double vision, blurred vision, decreased eyesight and dry eyes, and allergic reactions. These are not all of the possible serious side effects of BOTOX®Cosmetic.