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How does Botox work?

Botox injections target specific muscles that contract under your skin and hold wrinkles in place.  These muscle movements are repeated every day, multiple times per day, by making the following facial expressions:

  • Laughing
  • Smiling
  • Yawning
  • Frowning
  • Wrinkling your brow in concentration
  • Squinting in the sun, or any other facial motions 

While the aging process continues, these facial muscles remain in the contracted positions, which is how wrinkles form.

Botox injections into these muscles force these muscles to relax completely, leaving the skin smooth and free of wrinkles. When used as a preventative treatment earlier in the aging process, the muscles contract less, causing fewer wrinkles.

The number of units of Botox that you’ll need depends on your aesthetic concerns and goals. For example, 10 to 30 units are injected into the forehead. For the first Botox treatment, you may need only ten units. However, depending on your age and the tautness of your facial muscles, the number of necessary units fluctuates.

BOTOX FAQs

Is there any preparation needed before getting Botox?

Can Botox be used to slim the jawline or reduce a gummy smile?

How does Botox affect skin sensation?

Is there any preparation needed before getting Botox?

It’s best to avoid alcohol, blood thinners, and certain supplements (like fish oil) for 24–48 hours before treatment to reduce the risk of bruising.

Can Botox be used to slim the jawline or reduce a gummy smile?

Yes, injecting Botox into the masseter muscles can soften a square jawline, creating a more oval facial shape. Additionally, Botox can be used to relax the upper lip, reducing the appearance of a gummy smile.

How does Botox affect skin sensation?

Botox targets muscle activity and does not impact the nerves responsible for skin sensation. Therefore, patients should not experience numbness in the treated areas.

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