What actually sets the shape of the lower face
Five structures shape the lower face: the jaw angle, the masseter muscle, the chin, the jawline and any laxity. A wide look can come from one or from several, and treating the wrong one changes little. The first step is to work out which structure is the limit.
Dr Sin Yong checks each in turn. A clench shows whether the masseter is enlarged. A profile view shows chin projection against the nose and lips. Pinching at rest and in expression shows whether fat is involved, with ultrasound if needed. Jawline contouring then follows from these findings, not from a fixed package.
V shape face Singapore: routes by cause
| Cause | How it is checked | Route | What it does not address |
|---|---|---|---|
| Muscle: enlarged masseter | Clench test shows a firm bulge at the jaw angle | Masseter BTX | Bone, fat or laxity |
| Bone: short or set-back chin | Profile view against the nose and lips | Chin filler on bone, with HA, CaHA or PCL chosen at assessment | Width or fat under the chin |
| Bone: wide jaw | Width stays the same on clenching or pinching | Proportion work on the chin and jawline | The bone itself |
| Fat: superficial jowl or submental fat | Pinch at rest and in expression, with ultrasound if needed | Time Freeze Laser LCLR® Sculpting mode, or double chin options | Deep buccal pad |
| Fat: deep buccal pad | Un-pinchable fullness in the mid-cheek | Usually observation. Removal is surgical and referred out | Cannot be reached without surgery |
| Laxity: early jowling | Pinch and recoil, with tissue repositioned by hand | VF Lift, or HIFU on Ultraformer MPT | Lost volume or a full fat pad |
| Soft jawline | Examination of the jaw border, jowls and skin | Jawline filler | Wide face, because it adds structure and does not slim |
The order of treatment matters
Jawline contouring when the jaw is soft
Jawline filler adds definition to the frame. It does not slim a wide face, and adding it over descended tissue can hide the real cause. Where the softness comes from early jowling, lifting is planned first. The VF Lift and Time Freeze routes inject nothing, so they may suit people who want no filler. If you want a fuller explanation of jowls, see the jowls guide.
Masseter BTX and chin filler in practice
Botulinum toxin softens an enlarged masseter gradually. Chin filler is built up in small amounts with you sitting upright, and the shape is reviewed after swelling settles. Too much chin length can make the face look longer, so the amount is kept in proportion. Hyaluronic acid can be dissolved with hyaluronidase, while CaHA and PCL cannot. Earlier filler of unknown type, or a previous chin implant, is assessed individually. Masseter BTX does not build the chin, and chin filler does not reduce width, so each one is planned for its own cause.
Who this suits
It suits people whose lower face is wider, rounder or softer than they would like, and who accept a staged, assessed plan. It also suits people who want to know what can and cannot change before they begin. Where one structure is the clear limit, a single route may be enough. Most faces combine two or more.
Who should wait or be referred
Please wait.
This comes first.
Allow the recovery window to pass.
This is discussed before any filler and may be referred.
This is referred to a plastic surgery specialist.
An implant is referred out.
Recent dental work, bleeding disorders or blood thinners are reviewed before chin filler.
What it cannot do
No injectable or device alters bone.
This is surgery. It cannot be reversed, and the pad deflates naturally with age.
Lifting alone does not replace lost volume or reduce a full fat pad.
Redundant skin needs a surgical opinion.
Lifting devices do not build the chin.
Risks and side effects
Masseter BTX commonly causes tenderness, small marks or bruising, and chewing may tire more quickly for a period. Less common effects are an uneven smile, bulging on clenching and hollowing below the cheekbone, and difficulty swallowing is rare and needs urgent review. Chin filler commonly causes swelling, tenderness, tightness and some bruising. Lumps, asymmetry, infection and migration are less common. Vascular occlusion and mental nerve irritation are rare but serious. CaHA and PCL cannot be dissolved. VF Lift and HIFU both use heat, so redness, warmth and tenderness are common. Burns and nerve effects are rare, and hollowing can follow energy in thin fat. Seek same-day contact for pale, dusky or cold skin, persistent lip numbness or blistering, or any change in vision.
Recovery and aftercare
The muscle softens gradually. Avoid firm pressure over the area at first.
Mild swelling and tenderness are expected. Do not massage unless advised. Report pain, blanching or colour change the same day.
Warmth and mild redness settle. Sun protection continues.
Specific aftercare is given at the visit.
Sessions and fees
No session count applies. Treatment is staged or combined based on your assessment. Masseter reduction, filler absorption and collagen remodelling after lifting each vary by product and person, so repeat timing is set at review. The effect of masseter BTX is temporary, and the muscle rebuilds if clenching continues. Cost depends on which structures contribute and in what order, whether one or several approaches are used, whether work is staged or done at one visit, and how much of the lower face is involved. Fees are set out at consultation before anything is agreed.