Key facts
- Energy
- Volnewmer 6.78 MHz monopolar radiofrequency, heating dermis and fibrous septa as a volume; no focused ultrasound
- What descends
- The lower cheek fat compartment, folding over the mandibular ligament as skin and platysma loosen
- Lift zones
- Lower cheek and jaw edge, heated along vertical vectors toward the earlier position
- Reduce zones
- The jowl fat pad and pre-jowl fullness, where energy is directed at localised fat
- Kept in mind
- The marginal mandibular nerve at the jaw edge; thin skin over the mandible
- Referred on
- Heavy, mobile jowls and redundant skin, to a plastic surgery specialist
What descends at the jawline, and which layer leads?
A jowl is the lower cheek fat compartment that has slid downward and folded over the mandibular ligament, the fixed point that stops it travelling further along the jaw. Three layers let it go: the retaining ligaments attenuate, the platysma and SMAS beneath the skin loosen, and the skin itself thins and lengthens. The jowls and lower face sagging page sets out that anatomy; the question for the VF Lift – Vertical Facelift is which of the three leads in a particular face, because the plan is set to the layer that leads rather than to the word jowl.
At consultation Dr Sin Yong looks at the jawline in profile and three-quarter view, at rest and while the patient speaks, and pinches the jowl itself to separate fat from skin. A jowl that is mostly a soft, pinchable pad in a face with reasonable skin is a different problem from a thin fold of loose skin hanging at the jaw edge, and from a heavy jowl that swings when the head turns. The first two are radiofrequency questions; the third is not.
How is the vertical vector planned for a jowl?
The vertical vector is the direction the tissue came from, and the Volnewmer passes are planned along it rather than across it. Volnewmer heats the dermis and the fibrous septa that run down into the fat as a volume, with the skin surface cooled throughout, so that collagen in those layers contracts and remodels. Along the jawline that heating is sequenced from the jaw edge up the lower cheek, so the zone above the jowl is conditioned as well as the fold itself. It is not focused ultrasound, and it does not place points in the SMAS the way HIFU for jowls does; it acts on the envelope and the septa that tether it.
That is why the lower cheek is part of a jawline plan even when the complaint is the jowl alone: heating only the fold tightens skin where the tissue has already landed.
“A jowl is tissue that moved, not tissue that appeared. Treating it means moving it back, not covering it.”
Dr Sin YongOn what a jowl is
How do Lift and Reduce settings differ over jowl fat and thin skin?
Lift and Reduce are two aims for the same energy, and they are set differently. Over a lax jaw edge and lower cheek with little excess fat, the Lift aim keeps the heating in the dermis and septa, with the pass pattern following the vertical vector. Over a pinchable jowl pad, the Reduce aim directs energy at the localised fat beneath the skin as well as the skin over it, so that the fold is approached as fullness and laxity together. Energy, pass pattern and dwell are adjusted in real time to how the tissue responds and to the heat the patient reports.
Thin skin changes the plan in the other direction. Directly over the mandible, and in a lean face with little fat under the jaw edge, bulk heating is kept conservative, because over-heating the small amount of fat beneath thin skin can leave a dent. The Volnewmer page explains the mechanism this is built on.
The jawline, zone by zone: what is assessed and what is adjusted| Zone | What is assessed | What is adjusted |
|---|
| Jowl fat pad | Pinch test: soft fat versus loose skin; how it moves when the head turns | Reduce aim over fat; Lift aim where skin leads; heavy mobile pad referred |
| Pre-jowl sulcus | Depth of the hollow beside the chin and how the jowl folds into it | Vector planned from the hollow upward; no filler added to the jowl |
| Jaw edge over the mandible | Skin thickness over bone; course of the marginal mandibular nerve | Conservative heating; no stacked passes; heat feedback followed |
| Lower cheek above the jowl | Skin recoil and laxity along the vertical vector | Lift aim sequenced from jaw edge upward through the zone |
| Jaw-to-neck transition | Whether the under-jaw fullness is fat, skin or platysma | Neck zones added to the plan or assessed separately |
Who suits the VF Lift at the jawline, and who is referred on?
The jawline plan suits early to moderate jowling where the skin still has recoil, where the jowl is a soft pad rather than a heavy fold, and where the person prefers no incisions and accepts a gradual response. It also suits the face in which jowl fullness and lower-cheek laxity arrive together, because Lift and Reduce can be set in adjacent zones.
A heavy, mobile jowl with redundant skin is beyond what any energy device reaches, and the honest route is referral to a plastic surgery specialist for facelift assessment. A pacemaker or other implanted electronic device rules out monopolar radiofrequency, metal implants near the jaw change the plan, and pregnancy, active infection or a cold sore in the area mean waiting. Recent filler or threads along the jawline are timed around. Where the SMAS is also lax, HIFU with the VF Lift is considered as two energies on two layers, sequenced at review.
What are the risks over the marginal mandibular nerve, and when should you call?
The risk specific to this zone comes from the jaw edge. The marginal mandibular nerve runs along or just below the lower border of the mandible before turning up toward the corner of the mouth, lying deep to the platysma. Sustained heat near its course can irritate it, and temporary weakness at the corner of the mouth, seen as an uneven smile or a lower lip that does not move fully, has been reported after energy-based treatments along the jaw. Passes over the nerve course are therefore delivered with the patient's heat feedback and without stacking, and the plan keeps the heaviest heating above the jaw edge.
The common effects are the same as elsewhere on the face: redness, warmth, mild swelling and tenderness that settle as the skin cools. A blister, a crust, a patch of altered sensation, a visible dent over thin skin, or any change in how the mouth moves should be reported the same day so that Dr Sin Yong can review it.
What determines the fee for a jawline plan?
The fee depends on how many zones the examination brings into the plan, whether both Lift and Reduce aims are set, whether the neck is treated with the jawline, and whether another energy or an injectable is sequenced alongside. Singapore's rules prevent clinics from advertising prices, so no figures appear here; a written quote follows the consultation, as the how fees are quoted page explains, and the consultation also decides whether the VF Lift is advised for your jawline at all.
