How Does BOTOX Work?

BOTOX and the other leading neuromodulators work by temporarily relaxing targeted facial muscles to smooth wrinkles and prevent new lines from forming. Wrinkles such as frown lines, crow’s feet, and forehead creases, called dynamic wrinkles, form from repeated muscle movement over time. The neuromodulator weakens the muscles responsible for dynamic wrinkles. The result is a smoother, more refreshed appearance, without changing the expressions that make you look like you.

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Dr. Steven Swengel
Dr. Steven Swengel
Board-Certified Dermatologist

Since establishing RefinedMD in 2012, Dr. Swengel has earned a reputation throughout the South Bay as one of the area’s top cosmetic and medical dermatologists. He is sought out for his expertise as a Mohs micrographic surgeon and laser treatment specialist, as well as his warm, attentive style of patient care.

Meet Dr. Steven Swengel
Dermatologist
Board-Certified Dermatologist

BOTOX vs. Dysport & DAXXIFY

All three of these products are FDA-approved for cosmetic use, but offer subtle distinctions in how fast you’ll see results, how long they last, and their formulations.

ProductFDA-Approved UsesOnset of ResultsDuration of ResultsKey Differences
BOTOXFrown lines, crow’s feet, forehead lines5 – 7 days3 – 4 monthsThe original and most widely recognized neuromodulator.
DysportFrown lines2 – 3 days3 – 4 monthsSlightly faster onset; may diffuse more for broader areas like the forehead.
DAXXIFYFrown lines1 – 2 days6+ monthsLongest-lasting option, formulated with a novel peptide stabilizer.

Other Popular Uses

Neuromodulators such as BOTOX can do more than smooth facial lines and wrinkles. Depending on your needs and treatment goals, neuromodulators may also be used for:

  • Masseter BOTOX (Jawline Slimming): Relaxes enlarged masseter muscles used when chewing to create a slimmer, more tapered jawline.
  • TMJ & Bruxism: Reduces overactivity in the jaw muscles to help relieve tension, discomfort, and teeth grinding.
  • BOTOX Brow Lift: Strategically relaxes targeted muscles to subtly elevate the brows and open the eye area.
  • Nefertiti Neck Lift: Relaxes targeted neck muscles that pull downward on the jawline, subtly improving jawline definition and smoothing the neck.
  • Lip Flip: Relaxes the upper lip muscle to reveal more of the lip for subtle enhancement without filler.
  • Gummy Smile: Reduces excessive upper lip elevation to show less gum when smiling.
  • Hyperhidrosis (Excessive Sweating): Temporarily blocks nerve signals that trigger excessive sweating in areas such as the underarms.
  • Migraines: BOTOX injections may help prevent chronic migraines and reduce headache frequency.
Clinician holds syringe near patient's face during consultation

What Happens During Treatment?

During a BOTOX treatment, tiny injections are placed into specific facial muscles to relax them and reduce the appearance of wrinkles. The needle we use is very small, and most people describe injections as feeling like a subtle pinch. BOTOX and other neuromodulator treatments are quick, comfortable, and require no downtime.

What Is BOTOX Recovery Like?

Side effects are generally mild and temporary, such as slight redness, swelling, or tenderness at the injection site. Our expert injectors will review what to expect and provide aftercare guidance to ensure the best possible outcome. Depending on the product, you can expect results to develop within a few days to a week, with full effects visible in approximately 2 weeks. BOTOX and Dysport results typically last about 3 to 4 months, while DAXXIFY results can last 6 months or more.

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Does BOTOX Cost the Same as Dysport & DAXXIFY?

The cost per unit of BOTOX and Dysport is less than DAXXIFY, but that doesn’t tell the whole story. Even though DAXXIFY’s price tag appears higher at first, the yearly cost is comparable because the results typically last about two months longer. Additionally, the number of units required to produce the desired results varies depending on the product used.

When you meet with one of our injectors, we’ll provide a detailed price quote after your consultation.

Combining BOTOX With Other Treatments

If volume loss is making you look tired or aged, dermal fillers can correct issues such as under-eye hollows, flattened cheeks, nasolabial folds and more. Combining BOTOX and fillers is sometimes called a “liquid facelift” and produces comprehensive facial rejuvenation.

Come in To Learn More 

People considering neuromodulators such as BOTOX in Los Gatos, San Jose, Saratoga, Campbell, Cupertino, and surrounding areas choose RefinedMD for their treatments.

Request a consultation using the online form or call us at (408) 688-2082 to schedule an appointment.

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Reviewed for clinical accuracy by a RefinedMD Medical Editor on August 26th, 2026.

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