FAQs - BOTOX® Cosmetic

How does BOTOX® Cosmetic work? BOTOX® Cosmetic is a prescription medicine that is injected into muscles and used to improve the look of the “11s,” the moderate-to-severe frown lines between the eyebrows (glabellar lines). It works by blocking nerve impulses to the injected muscles. This reduces muscle activity that causes moderate to severe lines to form between the brows.


When will I see results from a BOTOX® Cosmetic treatment?  Within days, you may see a marked improvement in the moderate-to-severe frown lines between your brows. Lines continue to improve for up to 30 days, and results can last for up to 4 months. Individual results may vary.


How long does BOTOX® Cosmetic last? Visible results have been shown to last up to 4 months.1 Your own results may vary – be sure to talk to your healthcare provider about what you can expect and when to schedule your next appointment.


Is treatment with BOTOX® Cosmetic painful? Discomfort is usually minimal and brief. Prior to injection, your physician may choose to numb the area with a cold pack or anesthetic cream. The entire procedure takes approximately 10 minutes. Most patients are in and out of the physician’s office without downtime following BOTOX® Cosmetic treatment.


Side effects associated with the injection include localized pain, infection, inflammation, tenderness, swelling, swelling, redness, and/or bleeding/bruising.


Will I still be able to make facial expressions?   Although the results are visible, a treatment with BOTOX® Cosmetic (onabotulinumtoxinA) will not radically change your facial appearance or make you look as if you’ve “had work done.” The muscle activity that causes frown lines between the brows is temporarily reduced, so you can still frown or look surprised without the wrinkles and creases between your brows.


Who should not take BOTOX® Cosmetic?  Do not take BOTOX® Cosmetic if you:

  • are allergic to any of the ingredients in BOTOX® or BOTOX® Cosmetic. See the Medication Guide for a list of ingredients in BOTOX® and BOTOX® Cosmetic.
  • had an allergic reaction to any other botulinum toxin product such as Myobloc® or Dysport®
  • have a skin infection at the planned injection site

You should not be treated with BOTOX® Cosmetic if you have:

  • a disease that affects your muscles and nerves (such as amyotrophic lateral sclerosis [ALS or Lou Gehrig's disease], myasthenia gravis or Lambert-Eaton syndrome). See "What is the most important information I should know about BOTOX® and BOTOX® Cosmetic?" in the Medication Guide
  • allergies to any botulinum toxin product
  • had any side effect from any botulinum toxin product in the past
  • a breathing problem, such as asthma or emphysema
  • swallowing problems
  • bleeding problems
  • plans to have surgery
  • had surgery on your face
  • weakness of your forehead muscles, such as trouble raising your eyebrows
  • drooping eyelids
  • any other change in the way your face normally looks
  • are pregnant or plan to become pregnant. It is not known if BOTOX® Cosmetic can harm your unborn baby.
  • are breast-feeding or plan to breastfeed. It is not known if BOTOX® Cosmetic passes into breast milk.   

What are the possible side effects of BOTOX® Cosmetic?  BOTOX® and BOTOX® Cosmetic can cause serious side effects. See "What is the most important information I should know about BOTOX® and BOTOX® Cosmetic?" in Medication Guide.  


Other side effects of BOTOX® Cosmetic include:

  • dry mouth
  • discomfort or pain at the injection site
  • tiredness
  • headache
  • neck pain
  • eye problems such as double vision, blurred vision, decreased eyesight, drooping eyelids, swelling of your eyelids, and dry eyes
  • allergic reactions; symptoms of an allergic reaction to BOTOX® or BOTOX® Cosmetic may include: itching, rash, red itchy welts, wheezing, asthma symptoms, or dizziness or feeling faint.
  • Tell your doctor or get medical help right away if you are wheezing or have asthma symptoms, or if you become dizzy or faint.
  • Tell your doctor if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of BOTOX® and BOTOX® Cosmetic. For more information, ask your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


What will happen to the moderate to severe frown lines between my brows if I choose not to continue treatments?  If you do not continue treatments, the moderate-to-severe frown lines between your brows will gradually return to the way they looked before treatment.


Do treatment results differ?  Yes, individual results may vary. To get the best results, it's important to go to a doctor who is experienced in administering BOTOX® Cosmetic.


What Is the Treatment Process?  The treatment process for BOTOX® Cosmetic is simple.


Here's what you might expect at the doctor's office from the moment you arrive until your procedure is done. (Please note that although this experience is typical, the routine at your doctor's office may be different.)


Before the Treatment

  • Consult your doctor to determine whether you are a candidate for treatment with BOTOX® Cosmetic
  • Your doctor will ask you about your goals to determine where to administer BOTOX® Cosmetic. To do this, your doctor may examine your ability to move certain muscles in your brow area. The location, size, and use of the muscles that create furrow between your brows can vary among individuals
  • Ask the doctor any questions you may have about your expectations for treatment
  • Discuss treatment goals and finalize a customized treatment plan tailored to your needs

The Treatment

  • No anesthesia is required
  • Your doctor may choose to numb the area with a cold pack or anesthetic cream
  • Discomfort is usually minimal and brief
  • Your doctor will administer a few tiny injections of BOTOX® Cosmetic directly into the muscles that cause those moderate-to-severe frown lines between the brows
  • Approximately 10 minutes for the entire treatment.

Post Treatment

  • No downtime is needed – you're ready to get on with your day!
  • Your physician will give you specific aftercare instructions.
  • Side effects associated with the injection include localized pain, infection, inflammation, tenderness, swelling, redness, and/or bleeding/bruising.

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