What lip filler is
Lip filler is a hyaluronic acid gel placed by a doctor to change how the lips look. Volume is only part of it. The plan also looks at the border, the cupid's bow, projection from the side and how the corners sit.
Planning starts from your facial proportions and the lip shape you already have. That is why two people asking for fuller lips may be advised quite differently. Most gels used contain lidocaine, a local anaesthetic. An ultra-fine gel can be used where hydration and surface texture are the aim.
Lip filler in Singapore: the short answer
Lip filler is a small, adjustable change. It suits people whose aim is proportion rather than a new shape. Hyaluronic acid can be dissolved with hyaluronidase, which is a useful safeguard. The procedure itself is described on the lip enhancement treatment page. A plan with no injection is also a valid outcome of the consultation.
How an overdone look happens
An overdone lip usually has one of three causes: too much volume, filler in the wrong plane, or volume building up over several sessions. Lips are read against the whole lower face, including how much tooth shows and how far the chin projects. So the plan comes from your own face, not a photograph of someone else's lips. Border, height and corners are placed first, and volume is added last. The upper-to-lower lip ratio is a reference point for one face and not a target. One gel rarely serves two goals, so a lip that needs both border and height may be treated with two products or in stages. Migration means filler drifting above the border into the skin of the upper lip. It is managed by dissolving and replanning, not by adding more.
Gel firmness follows the goal
| Goal | Gel used |
|---|---|
| Border definition | Firmer, cohesive gel in small amounts |
| Height and body of the lip | Soft to medium gel |
| Philtrum and cupid's bow | Firmer gel in tiny amounts |
| Corners | Medium gel |
| Hydration only | Very soft, lightly cross-linked gel, which adds no visible height |
Who it tends to suit
Where a modest change in keeping with the rest of the face is wanted.
Small differences in height, volume or projection between sides.
A flattened cupid's bow or a lip edge that has lost definition.
Where hydration is part of the aim, not only size.
Who should wait or avoid it
Wait if you are pregnant, breastfeeding or planning a pregnancy. Wait too if there is an active cold sore, infection or inflamed skin around the mouth. Filler is not advised with a known allergy to hyaluronic acid products or lidocaine. A bleeding disorder or an unreviewed blood-thinning medicine must be discussed first, as must an active autoimmune or inflammatory condition. Earlier filler of unknown type in the same area is checked before anything else is placed. Lumps or inflammation after unidentified filler, or lip changes that look like a skin condition, are referred for dermatology assessment.
What lip filler cannot do
It does not treat laxity around the mouth.
Lines caused by muscle movement need a different approach.
A shape very different from your own is outside what filler can sensibly do.
A long upper lip and the amount of tooth showing stay as they are. A gummy smile is a muscle or skeletal question, and a surgical lip lift is referred to a plastic surgeon.
Vertical lines above the lip may suit resurfacing, such as fractional CO2.
Lips break down filler faster than less mobile areas, so the effect fades.
Risks to discuss first
The visit and the days after
Questions worth asking
Check that the same licensed doctor assesses, injects and reviews the settled shape.
Ask what will be used and whether it is registered with the HSA.
It should be kept on hand, because labial arteries run close to the injection sites.
Duration and fees
How long lip filler lasts depends on the product, the volume and your metabolism. Timing of any repeat treatment is decided at review, not in advance. Fees depend on the amount and type of hyaluronic acid, how many lip areas are treated, whether earlier filler needs assessment, and whether another treatment is combined. A written quote follows the consultation.