Chin Tightening

Double Chin Reduction in North Sydney

What is double chin reduction?

Double chin reduction is a non-surgical cosmetic medical treatment that uses injections to reduce a pocket of fat beneath the chin, helping to define the chin and jawline profile. It is performed by a qualified medical doctor following a consultation. Results develop gradually and vary between individuals.
A fullness under the chin, sometimes called a “double chin”, is a build-up of fat in the area below the jaw (the submental area). It can be influenced by genetics, ageing or changes in weight, and it does not always respond to diet and exercise. Non-surgical fat-reduction injections offer an option to reduce this fullness without surgery, for people who are assessed as suitable.
Considering double chin reduction in North Sydney? Book a consultation with our doctor-led team to see whether it’s suitable for you.📞 Call (02) 9929 0455 Book a consultation

What causes a double chin?

A double chin, or submental fullness, is a build-up of fat in the area beneath the jaw. It is very common and is not always linked to body weight. The main contributors are:
  • Genetics – some people are simply more prone to storing fat under the chin, regardless of their weight
  • Ageing – skin and underlying tissue change over time, which can make the area look fuller or less defined
  • Weight changes – fluctuations can add fullness to the area
Because fat in this area can be stubborn, it often does not respond to diet and exercise alone, which is one reason people look into treatment options. Understanding the cause helps your doctor recommend whether fat-reduction injections, or a different approach, is the most appropriate for you.

How does the treatment work?

The treatment uses a series of small injections into the fat beneath the chin. The medicine works within the treated area to break down fat cells, which are then gradually cleared by the body over the following weeks. As the treated fat reduces, the chin and jawline can appear more defined.Because the change happens gradually, a course of treatment sessions is usually recommended, spaced several weeks apart. The number of sessions depends on the amount of fullness and your individual response, which your doctor will assess and discuss with you. It is a non-surgical option and an alternative to surgical approaches for some people, though it is not suitable for everyone.It is also worth understanding what the treatment does not do. It targets fat in a defined area and is not a weight-loss treatment, and it does not significantly tighten loose or sagging skin, which may need a different approach. At your consultation, your doctor will explain whether your concern is mainly fat, mainly skin, or a combination, so the right option can be recommended.

Who is it suitable for?

Double chin reduction may be considered for adults who have a moderate amount of fat beneath the chin and would prefer a non-surgical option. It may suit you if:
  • You have noticeable fullness under the chin from genetics, ageing or weight change
  • The area has not responded to diet and exercise
  • You are in generally good health and have realistic expectations
It is not suitable for everyone. Some people, or some types of fullness under the chin (for example where loose skin is the main concern rather than fat), may be better suited to a different approach. This is why an in-person assessment with a doctor comes first.

What happens at your appointment?

Your first appointment begins with a consultation. Under the 2025 AHPRA cosmetic guidelines, a consultation with a qualified practitioner is required before treatment, and there is no obligation to proceed.
  • The doctor assesses the area under your chin and discusses your goals
  • They explain whether the treatment is appropriate for you, the likely number of sessions, and the risks
  • You receive a personalised plan and quote to consider before deciding
If you proceed, the treatment itself involves a number of small injections into the area and usually takes a short appointment. Your doctor will explain what to expect on the day, including the swelling that commonly follows this particular treatment.

What results can you expect, and when?

Results develop gradually over a course of treatments as the body clears the treated fat, typically over several weeks to months. Individual results vary, and the number of sessions needed differs from person to person. Your doctor will give you a realistic idea of what to expect at your consultation.
Because the reduction is gradual, it is normal not to see the final outcome until some weeks after a course is completed. Maintaining a stable weight supports your result. Your doctor will review your progress between sessions and advise whether further treatment is appropriate.

Recovery and aftercare

This treatment commonly causes noticeable swelling under the chin in the days after each session, which is an expected part of the process and settles over time. Other common effects can include tenderness, firmness, redness or bruising in the treated area.Your doctor will give you personalised aftercare advice. General guidance often includes:
  • Expect swelling under the chin for several days, and plan your appointments with that in mind
  • Avoid strenuous exercise for a short period as advised
  • Follow any guidance on managing swelling and discomfort

What are the risks and side effects?

Like any medical treatment, double chin reduction carries potential risks, and your doctor will discuss these fully with you before you decide. Common, temporary effects include swelling, bruising, tenderness, firmness or numbness in the treated area, which usually settle over time.Less common risks exist and will be explained at your consultation, including effects related to the structures around the jaw. This is precisely why the treatment is carried out by a qualified medical doctor after a careful assessment, and is not suitable for everyone. If you are pregnant or breastfeeding, or have certain medical conditions, the treatment may not be appropriate. The Australian TGA regulates the medicines used and how they can be described publicly, which is why you will see general information here rather than brand names.

How much does double chin reduction cost in North Sydney?

There is no single price, because cost depends on the amount of fullness and how many sessions are needed, which is only clear after an assessment. The main factors are:
  • Number of sessions: a course is usually needed, and this varies between individuals
  • Amount of product required: larger areas of fullness need more
  • The practitioner: treatment by a qualified medical doctor is part of what you are paying for
You will receive a clear quote for your individual plan at your consultation. See our treatment pricing page for more, and be cautious of unusually low pricing for what is a medical treatment.

Why choose a doctor-led clinic?

The area beneath the chin sits close to important structures, so careful assessment and technique matter. At Skin Project Clinics in North Sydney, every treatment is planned and performed by a registered medical doctor, with an honest discussion of whether the treatment is right for you and what to realistically expect. You can meet our doctors or explore related treatments such as dermal filler treatments and anti-wrinkle injections.
Want to know if it’s right for you? Book a consultation at our North Sydney clinic, with no obligation to proceed.📞 Call (02) 9929 0455 Book a consultation

Frequently asked questions

Is double chin reduction surgery?

No. It is a non-surgical, injectable treatment and an alternative to surgery for some people. Whether it is appropriate for you depends on an assessment by a doctor. This is general information only and not medical advice.

How many sessions will I need?

A course of sessions is usually recommended because the change happens gradually. The number varies between individuals depending on the amount of fullness and your response, and your doctor will advise at your consultation. This is general information only.

Does the treatment hurt?

Comfort varies between people. The treatment involves a number of small injections, and your doctor can discuss comfort options with you beforehand. Some swelling and tenderness afterwards is common. This is general information only.

How much swelling should I expect?

Swelling under the chin is a common and expected effect of this treatment and can last several days after each session. Many people plan their appointments with this in mind. Your doctor will explain what to expect. This is general information only and not medical advice.

Will the result last?

Results develop gradually over a course of treatments, and maintaining a stable weight supports your outcome. Individual results vary, and your doctor will give you a realistic idea of what to expect. This is general information only.

This information is general in nature and is not medical advice. Double chin reduction is a medical treatment that carries potential risks and requires a consultation with a qualified medical practitioner to confirm suitability. Individual results vary, and no treatment should be undertaken without an individual assessment. Skin Project Clinics, North Sydney. (02) 9929 0455.

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