Technology

Belkyra

Belkyra is an injectable form of deoxycholic acid used to reduce moderate to severe fullness beneath the chin.

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Deoxycholic acid injections for under-chin fullness

Understanding Belkyra.

Belkyra is an injectable prescription medication. Its active ingredient is deoxycholic acid, a synthetic version of a substance your body naturally makes to help break down dietary fat. Health Canada has approved it for moderate to severe fat beneath the chin, sometimes called submental fullness or a double chin, in adults. Our experienced physicians give it as a series of small injections into the fat under the chin, for a more defined profile and jawline.

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How do deoxycholic acid injections work?

When injected into the fat beneath the chin, deoxycholic acid disrupts the membranes of fat cells, causing those cells to break down. Your body then gradually clears away the treated cells through its natural processes over the following weeks. Once fat cells in the treated area are gone, they no longer store fat. Because the medication can also affect other cells it contacts, precise injection technique and accurate placement within the target area are important.

What under-chin injections improve

Belkyra is used to reduce moderate to severe fullness beneath the chin in adults, which can sharpen jawline definition. It's approved for this one area and is used for contouring, separate from weight management.

It's best suited to fullness that comes from fat, where the skin under the chin still has good firmness. Where loose skin is a bigger part of the picture, skin tightening such as Ultherapy may be added or suit you better. Your physician looks at the amount and location of fat, your skin and your goals, and suggests how many sessions are likely to make sense for you. Belkyra is one of the options within our under-chin fat reduction treatment.

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Curious where Belkyra may fit?

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Benefits of under-chin injections

Deoxycholic acid injections offer a non-surgical way to treat a specific area that often resists diet and exercise. Fat cells cleared by treatment don't return, so results can be lasting once you reach the improvement you want. Treatment is usually given over more than one session, spaced apart, and results build gradually as your body clears the treated fat. Individual results vary.

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Safety, side effects and considerations

Common and temporary. Swelling (which can be noticeable), bruising, pain, numbness, redness and a feeling of firmness under the chin. These are usually temporary.

Less common risks. Injury to a nerve in the jaw (the marginal mandibular nerve), which can cause a temporary uneven smile or facial muscle weakness, and difficulty swallowing. Injection-site problems such as skin ulceration and hair loss have also been reported. Belkyra is given only by our experienced physicians, who know the anatomy of this area well and inject with precision. Contact the clinic on 604-261-9121 if you notice an uneven smile, trouble swallowing, or skin in the area that breaks down or becomes very sore.

When treatment may need to wait: an infection in the area, pregnancy or breastfeeding, a bleeding disorder or blood-thinning medicines, previous surgery or other treatment in the neck or under the chin, existing difficulty swallowing, and fullness that may come from something other than fat, such as an enlarged thyroid or lymph node, which is checked medically first. Belkyra is approved for adults. Your physician goes through your health history and medications with you before treatment.

This is not a complete list.

Related Treatments

Treatments that may utilize this technology.

Under-Chin Fat Reduction

Reduces fullness beneath the chin (submental fat) using an injectable or a device-based approach, helping to sharpen the profile and jawline.

Read treatment page →

Conditions It May Help Address

Concerns connected to this technology.

The relationship between a technology and a concern depends on the treatment plan, patient assessment, and how the technology is being used.

Jawline Definition

A softer or less-defined jawline shaped by chin structure, facial fat, muscle size, skin laxity, or tissue descent.

Related concern types: Double Chin
→

Not sure how Belkyra may fit?

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Anti-Aging Medical & Laser Clinic

Why patients choose our clinic

At Anti-Aging Medical & Laser Clinic, injectable treatments are performed by our experienced physicians, within a physician-led clinic that has served Vancouver since 2003. Because we offer both injectable and device-based options for the under-chin area, as well as skin tightening and facial contouring, your plan can address fat, skin and jawline structure together where that helps.

Your consultation. Your consultation includes an assessment of your concerns, medical and cosmetic history, facial anatomy and goals. Our cosmetic consultants may assist with your initial assessment and planning, while the treating physician confirms your suitability and performs your injections. Cosmetic consultations are complimentary.

Start Your Jawline Contouring Plan →

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FAQ

Questions about Belkyra.

In Canada, deoxycholic acid injections are approved specifically for moderate to severe fat beneath the chin in adults. They're designed to contour this area, and your physician can talk you through options for other areas at your consultation.

Treatment is usually given over more than one session, spaced apart, and the number depends on the amount of fat and how you respond. Your physician suggests a likely number once they've looked at the area.

Fat cells cleared by the treatment don't return, so improvement in the treated area can be lasting once your goal is reached. Significant weight gain can still change the appearance of the area over time.

Swelling under the chin is common after treatment and can be noticeable for a while, along with possible bruising, tenderness or numbness. Recovery varies from person to person, so it helps to plan treatment around important events. We'll tell you what to expect and how to manage it.

Reviews

What patients say about the clinic experience.

Reviews help show the human side of care, from the first consultation to comfort, communication, treatment planning, and follow-up.

Medical Review

Reviewed for clinical accuracy.

Medically reviewed by Dr. Gidon Frame, Medical Director, Anti-Aging Medical & Laser Clinic (CPSBC).
Last medically reviewed: August 2026.
Evidence reviewed: clinical practice guidelines, systematic reviews and peer-reviewed medical literature.

AuthorDr. Gidon Frame
Medical ReviewerDr. Gidon Frame
Last ReviewedSeptember 2026
Anti-Aging Medical & Laser Clinic

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