botox® cosmetic is fda approved to temporarily make frown lines, crow's feet and forehead lines look better. the effects of botox® cosmetic may spread hours to weeks after injection, causing serious symptoms. alert your doctor right away as difficulty swallowing, speaking, breathing, eye problems, or muscle weakness may be a sign of a life-threatening condition. do not receive botox® cosmetic if you have a skin infection. side effects may include allergic reactions, injection site pain, headache, eyebrow, eyelid drooping, and eyelid swelling. tell your doctor about your medical history, muscle or nerve conditions, and medications including botulinum toxins as these may increase the risk of serious side effects. see for yourself at botoxcosmetic.com