Today’s cosmetic patient expects the highest level of care and treatment outcomes. Rightfully, people want results that are both natural and effective. The key to a natural and effective treatment outcome is based on experience, judgment, and a thorough understanding of the injectable product. San Diego Board Certified Dermatologist Dr. Bonilla has extensive experience in advanced and innovative non-surgical facial rejuvenation techniques using BOTOX, Dysport, and other injectables. She is considered to be among the best neurotoxin authorities in the San Diego area, La Jolla, and beyond.

How does Botox Work?

BOTOX works by decreasing the strength of muscle contraction. To understand this, we first need to understand how a wrinkle is formed. Anatomically, our facial muscles exist under the facial skin. When the muscle contracts during facial expression, the skin moves and a crease is formed. As we age, wrinkles start to form and tend to become deeper with time. The upper face is the best example of this process, as most of the wrinkles in this region occur as a direct result of muscle contraction.

BOTOX works by temporarily reducing muscle activity in the muscles selected for injection. This creates a noticeable smoothing of the lines (wrinkles) these muscles create.

BOTOX Frequently asked questions

Will I look frozen or expressionless with Botox?

When BOTOX is injected in a well-thought out way by an experienced injector, the dose and distribution can be controlled so you do not lose the ability to show expression.

Where can BOTOX be injected?

  • Glabella: The glabella (the vertical lines between the brows that appear when you frown) is perhaps the most common area of injection. When this area is injected with BOTOX, the expression appears more relaxed and calm.
  • Forehead: When you raise your eyebrows, you see horizontal lines running across the forehead. Some people see these lines even when they aren’t lifting their eyebrows or when they are “at rest”.
    BOTOX injections here softens those horizontal lines and in most cases they disappear while allowing you to still move your eyebrows.
  • Crow’s feet: These are the smile lines that form around the corners of your eyes. Repeated contraction of muscles around your eyes leads to fine lines and wrinkles along the lower eyelid and around the corners of the eye. Treating these lines and wrinkles with BOTOX prevents your eyes from giving away your age.
  • Brow lift: A small area along the end of the eyebrow has a muscle that pulls the end of the eyebrow down. When this area is injected with BOTOX, the tail of the eyebrow can be raised, giving the appearance of a brow lift.
  • Neck bands: Some forms of neck bands are caused by strong muscle contraction. These may appear as tense vertical bands that run down the neck. In these cases, when BOTOX is injected, the bands can relax, improving the contour and shape of the neck.
  • Downward turning corners of the mouth: A small muscle at the corner of the mouth is partly responsible for turning down the corners of the mouth. A small amount of BOTOX into this muscle can help turn the corners up, decreasing the sad look that can be caused by this muscle.

How long does it take for BOTOX to start working?

BOTOX takes anywhere from 2-4 days to start working and takes approximately 2 weeks to reach peak activity.

How long does BOTOX last?

The typical duration of BOTOX injections are between 3-5 months. The duration is dependent on 2 primary variables; the strength of the muscle and the dose used during injection.

Simply, the stronger the muscle or the lower the dose, the shorter it will last. Conversely, the higher the dose (to a point) and the weaker the muscle the longer it will last.

Each patient has a specific dose that is ideal to achieve the desired effect. Some of our patients prefer lighter doses more frequently so that they can look natural yet still get the beneficial anti-aging properties.

What are the side effects of BOTOX?

If a patient develops side effects, they tend to be mild and temporary. The injections, rather that the Botox itself, usually cause most of the common side effects.


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