What is jaw definition?


Jaw definition is performed using HA (hyaluronic acid) fillers as a non-invasive procedure, whether you are concerned about losing youthful definition in your jawline area, skin laxity that’s resulted in jowls, or a sagging jawline. HA injectable fillers are a popular option at the Urban Aesthetix Clinic to sculpt and redefine the jawline for a more graceful looking profile.


The hyaluronic acid used, which naturally occurs in our skin, comes from a non-animal source. Hyaluronic acid is vital for the skin’s general moisture and helping maintain its elasticity, tone and appearance. HA jaw defining fillers are therefore biocompatible and biodegradable; they are clinically approved and have been safely used for years worldwide.



Why consider jaw definition?

HA fillers can be used in a non-surgical procedure to redefine the neck area and improve facial contours to create a natural and youthful redefined jawline:


  • Sagging jawline (Pre-jowl sulcus): to volumise the cavity at the side of the chin
  • Double chin: to redefine the jawline to help eliminate a double chin or turkey neck
  • Jowls: to tighten and contour the neck line and jawline
  • Sagging chin: to create a more youthful-looking jawline.

What does jaw definition treatment involve?

Treatment is simple and safe if carried out by Dr Unnati, who is an experienced and fully qualified clinician, following a detailed consultation to examine the areas to treat and decide on the best HA filler for you.


Before carrying out the treatment, Dr Unnati may administer a topical local anaesthetic cream or anaesthetic injection (nerve block) for a comfortable and pain free treatment. Some HA fillers have a built-in anaesthetic.


A small amount of hyaluronic acid filler is injected deep onto the bone and into the subcutaneous tissues using either a needle or a blunt cannula for your non-surgical jaw definition procedure.


The treatment can take 30 – 45 minutes and you can resume most normal daily activities immediately afterwards.

How soon should you notice a difference?

Results are noticeable immediately.

How long does jaw definition treatment last?

Jaw definition treatment will last between 12 – 24 months depending on which HA filler is used. Dr Unnati will advise you at your consultation.


The length of time also depends on a number of factors such as your age, smoking status, sun exposure, lifestyle and your general skin structure.

Are there any side effects to HA fillers?

The short-lived side effects associated with the injection process include bleeding, swelling, tenderness and redness which settle within a few hours, and bruising which settles within a few days. If the lips have been treated, the swelling can be significant and may take several days to settle.


There is a minimal risk of infection as the needle breaks the natural barrier to infection when creating a small wound in the skin. Please therefore avoid touching the area or using any unsterile make-up for 6 hours after treatment, although mineral make-up or sterile medical make-up can be used immediately. You may experience some itching and discolouration at the site of treatment which should settle within a few days.


Rarer complications include the formation of a small cyst, granuloma or nodule in the treated area which is generally due to an immunological reaction, and will either eventually settle spontaneously after a prolonged period or may require treatment.


If you’re an overseas patient, advance booking is highly recommended in case a course of treatments is required.

When should HA fillers not be used/be used with caution?

  • While pregnant or breast feeding
  • If you are highly sensitive/ allergic to ingredients in the compound
  • After recent use with Roaccutane in the last 12 months
  • After treatment with permanent fillers or implants
  • If you have a tendency to keloid or hypertrophic scarring
  • With certain medical conditions: auto-immune disorders/ skin cancer/ angina/diabetes/ epilepsy/ hepatitis/Immunocompromised conditions/bleeding disorders
  • In combination with certain medications: anticoagulants/aspirin/anti-inflammatories/ steroids
  • If the areas to be treated are inflamed or infected

Points to consider

Any clinical procedure carries a risk of complications, which is why it is always highly advisable to have cosmetic treatments safely performed by a doctor. Dr Unnati is a GP and specialist Non-Surgical Aesthetic Physician, trained in dermatology and medical cosmetics.


The Urban Aesthetix Clinic follows strict guidelines in making patients fully aware of any possible cautions and complications, and in offering post treatment advice. Dr Unnati will undertake a full consultation before any new treatment can be given.