The latest and most innovative fat reduction treatment for submental fat, also known as “double chin”  is now available at MediSpa at Knoxville Dermatology Group.

Kybella is the only injectable, minimally invasive, and non-surgical treatment option for submental fullness, commonly referred to as a “double chin”. Submental fullness, a common cosmetic concern, can be seen in men and women and can be related to aging, weight gain, and genetics. Submental fullness can result in an older or heavier appearance because of its effect on facial balance and proportion.


In a survey by the American Society of Dermatologic Surgery (ASDS), over 2/3 of consumers surveyed were bothered by submittal fullness.  While submental fullness is common, it is undertreated and often not decreased by diet and exercise alone.


Kybella, or deoxycholic acid, injection is approved by the FDA for the treatment of submental fulless or “double chin”.


With over 20 clinical studies supporting it’s use and thousands of patients already treated, Kybella is a safe, effective, and well researched treatment for submental fullness.

What is Kybella®?

Kybella®, also known as deoxycholic acid, is a medication manufactured by Kythera Biopharmaceuticals. It is the first and only FDA approved injection treatment to improve the appearance of sub-mental fullness due to fat underneath the chin.

What is sub-mental fullness?

Sub-mental fullness, commonly referred to as “double chin”, is a common but undertreated cosmetic condition related to excess fat underneath the chin. Submental fullness can cause patients to look older and heavier than they actually are by disrupting normal facial balance and proportion.

How does it work?

Kybella is a synthetic deoxycholic acid, a naturally occuring molecule in the body that breaks down dietary fat and helps with its absorption. When injected into the fat underneath the skin, it causes destruction of fat cells. The results are permanent as the fat cells are permanently eliminated.

Can it be combined with other cosmetic procedures?

Absolutely! Our cosmetic clinicians commonly combine Kybella® with other injectable treatments, such as Botox® Cosmetic and dermal fillers (e.g. Juvéderm®). The provider will discuss your treatment options with you during your complimentary consultation.

How is Kybella® administered?

Kybella is administered by injections into the fat under the chin. It is an office based treatment. Treatment sessions typically last 15-20 minutes.

Is Kybella® safe?

Over 20 clinical studies have been performed on Kybella and over 1600 patients were treated in the initial clinical trials establishing its safety and efficacy. Subsequently, the FDA approved Kybella for injection into the submental fat in April 2015. It has an excellent safety profile with the most common side effects including bruising, pain, numbness, redness, and firmness at sites of injection. Nerve injury and difficulty swallowing are far less common but reported side effects.

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