The Bliss Lift · Thread Lift Protocol · PDO & PCL Cog Threads · Dr Sin Yong

Thread Lift Singapore — The Bliss Lift

Medically reviewed by Dr Sin Yong · Last reviewed · 24 min read · Doctor-performed, never delegated · Jump to questions

Dr Sin Yong · MBBS (NUS) · MRCS (Edin) · MSc Aesthetic Medicine with Distinction (Queen Mary, London) · MSc Practical Dermatology (Cardiff) · International KOL

The Bliss Lift is Dr Sin Yong’s thread lift protocol in Singapore: absorbable PDO and PCL cog threads placed in the subcutaneous plane to reposition descended tissue of the jowl, midface and brow — under local anaesthetic, with no incision and no general anaesthesia.

PDO · PCL
Thread Materials
Subcutaneous plane
Above the SMAS
Cog threads
Barbed, Vector-Planned
Local anaesthetic
No Incision
What It Is

Thread lift in Singapore, in Dr Sin Yong's Bliss Lift protocol, places absorbable PDO and PCL cog threads in the subcutaneous plane to reposition descended tissue of the jowl, midface and brow under local anaesthetic. It is a mechanical lift, not a volume treatment, and it suits early to moderate descent rather than heavy laxity.

Also called: PDO/PCL thread lift, 埋线提升, 线雕, 糸リフト

Key takeaways
  • The Bliss Lift places absorbable PDO and PCL cog threads in the subcutaneous plane to reposition descended tissue.
  • It addresses early to moderate descent of the jowl, midface and brow; it does not tighten skin or add volume.
  • Suitability depends on tissue: skin thickness, elasticity, fat pad mobility and the absence of established skin excess.
  • Threads resorb on their own timeline and cannot be dissolved on demand, unlike hyaluronic acid filler.
  • Dr Sin Yong, an aesthetic physician, assesses, maps the vectors and places the threads himself.

You have noticed your jawline softening or your cheeks sliding, and you have heard that a thread lift can raise them without surgery. You may also have seen HIFU, radiofrequency and filler offered for the same concern. This page explains what threads do and do not do, so you can judge whether your face is a fit before you book.

Thread lift vectorsSide profile of a face with dashed gold vectors running from the nasolabial fold, cheek and jowl toward anchoring points at the temple and in front of the ear. Caption: repositioning, not volume.Thread lift vectors: tissue is repositioned toward fixed anchor pointsAnchoring points:temple andpre-auricular areaNasolabialfoldJowllift vectorRepositioning, not volumeCog threads move existing tissue along a vector; they do not add volume where it has been lost.
Cog threads run from the jowl, cheek and nasolabial fold toward anchoring points at the temple and pre-auricular area: repositioning, not volume.

A Mechanical Lift Using Absorbable Threads

Most people arrive at a thread lift with the same two questions: will it actually lift, and what happens when the threads go. Both are fair, and both are answered by mechanism rather than by promise. The Bliss Lift is Dr Sin Yong’s thread lift protocol: absorbable PDO (polydioxanone) and PCL (polycaprolactone) threads placed in the subcutaneous fat, above the SMAS, to carry descended tissue back toward a fixed anchor point.

A barbed thread engages the tissue it passes through. Draw it toward its anchor and the tissue moves with it; that is the lift, and it is mechanical. As the polymer hydrolyses, a track of new collagen is laid down along its path. A thread does not heat tissue, add volume or remove skin, which is why it is chosen for some presentations and not for others.

This page covers the Bliss Lift itself: the materials, mono versus cog threads, the plane they sit in, what assessment involves, recovery and risks, and where a different mechanism is needed. For a broader survey of how thread lifting is practised, read our guide to thread lifts in Singapore. Whether threads suit your face is decided at consultation, not from a photograph.

At a glance
Thread materials
PDO (polydioxanone), PCL (polycaprolactone) and PLLA (poly-L-lactic acid) — absorbable suture polymers that resorb by hydrolysis
Hydrolysis profile
Relative, not calendar: PDO hydrolyses earliest, PLLA more slowly, PCL slowest. Mechanical hold tapers in that order; the collagen track along each remains
Thread types
Mono (smooth) threads leave a collagen track only. Cog (barbed) threads engage tissue and carry a lifting vector. The lift is a cog-thread lift
Needle / cannula
19–21 G blunt cannula or sharp needle, depending on the thread, from an entry point near the anchor
Plane
Subcutaneous fat — below the dermis, above the SMAS. The SMAS itself is not repositioned
Vectors
Planned individually and drawn on the seated face: anchor point, direction, number and thread type per vector
Classification
Minimally invasive. Local anaesthetic, no incision, no skin excision, no general anaesthesia
Reversibility
Threads resorb on their own timeline. They cannot be dissolved on demand, unlike hyaluronic acid filler with hyaluronidase
Thread Materials
A woman seated in a clinic, head tilted, one hand resting at the side of her neck
The neck ages differently from the face and is assessed separately.

PDO, PCL & PLLA Threads

PDO Threads

Hydrolyses Earliest

Polydioxanone is the polymer used in absorbable surgical sutures. It is firm with limited stretch, and of the three it hydrolyses earliest, so its mechanical hold tapers first while the collagen track it leaves remains. PDO is available as mono and cog threads across a range of gauges, and it is the material used for most jowl and midface vectors in the Bliss Lift.

PCL Threads

Hydrolyses Slowest

Polycaprolactone is a more flexible polymer that hydrolyses more slowly than PDO or PLLA, so its mechanical support tapers on the longest curve of the three. It is chosen where the plan calls for sustained structural support, where tissue is heavier, or where a previous PDO lift has resorbed and the same vectors are being re-laid.

PLLA Threads

Between the Two

Poly-L-lactic acid sits between PDO and PCL in its hydrolysis profile and belongs to the same polymer family used in injectable collagen biostimulators. It is used less often in the Bliss Lift than PDO or PCL, but it is available where a particular zone calls for its handling characteristics. Material is chosen per vector, not per face.

Mechanism

Mono Threads, Cog Threads and the Plane Between

A mono thread is smooth. It has no barbs, carries no vector, and is placed to leave a line of collagen along its track: support for the surface, not a lift. A cog thread has barbs cut or moulded along its length in one or two directions. Once in the subcutaneous plane the barbs engage fat and fibrous septae, and tension applied toward the anchor point carries that tissue with it. Every lift described on this page is a cog-thread lift. Mono threads are placed for a different purpose and are sometimes combined.

The plane matters more than the brand. Lifting threads sit in the subcutaneous fat: beneath the dermis, so they are not seen or felt, and above the SMAS, so they stay superficial to the branches of the facial nerve and the parotid duct that run beneath it. Threads are introduced through a 19–21 G blunt cannula or sharp needle, depending on the thread, from an entry point near the anchor. The SMAS itself is not moved. Moving the SMAS is a surgical manoeuvre, and it is the line between a thread lift and a facelift.

Treatment Zones

“A thread repositions; it does not tighten skin. Laxity needs energy, not string.”

— Dr Sin Yong

Addressable Areas

01
Jowl & Lower Face

Cog threads run from an anchor in front of the ear along vectors that cross the jowl, carrying the descended fat pad back toward the jawline. This is the zone requested most often, and the one where a mobile fat pad and a firm bony margin give a mechanical lift the most to work with. Where the jowl sits on established skin excess, threads are not the answer; see jowls and lower-face sagging for how that is assessed.

02
Midface & Cheek

Vectors from a temporal anchor run obliquely across the cheek to engage the descended malar fat pad. Repositioning it restores the curve of the cheek and takes some of the weight off the nasolabial fold. Where the fold is driven by volume loss rather than descent, threads alone do not resolve it, and filler is assessed separately.

03
Brow & Temporal

Short cog threads placed from within the hairline elevate the lateral tail of the brow. This suits a brow that has descended with the skin above it still reasonably elastic. A heavy brow with true excess of upper-lid skin is a different problem and is assessed toward a different mechanism.

04
Neck & Jawline Definition

Threads across the submental region address early blunting of the neck-jaw angle where the tissue is mobile and the platysma is not the driver. Platysmal banding, a full submental fat pad or established skin excess in the neck are not thread problems, and are directed toward a different mechanism.

What a Thread Does Not Do

A thread does not tighten skin, does not remove skin, does not add volume and does not change skin quality, pore size or pigmentation. It repositions tissue, and as the polymer resorbs that mechanical hold tapers while the collagen along its track remains. Facial ageing continues regardless of what is inserted. Where the presentation is skin laxity rather than descent, or where the descent is extensive, a different mechanism is discussed — see sagging face treatment in Singapore for how the options are separated.

Suitability

Who It Suits — and Who It Does Not

Threads suit a face where the problem is descent of a mobile fat pad — an early jowl, a midface that has slid, a lateral brow that has dropped — with skin that still has elasticity and no large volume deficit. That combination is common from the late thirties onward, but the deciding factor is tissue, not age.

Threads suit less well where skin is very thin, because a cog can show or dimple; where laxity is established, because the excess simply redistributes; where the face is heavy with subcutaneous fat, because a thread carrying a heavy pad under tension tends to cut through it; and where volume loss rather than descent is producing the fold. Active skin infection along the planned vectors, a bleeding tendency, keloid history and previous non-absorbable implants in the plane are assessed individually.

Some faces are wrong for threads and right for something else. That distinction is made at consultation, and it is made before anything is planned.

The Process

What Happens at Assessment and During Treatment

01
Assessment

Dr Sin Yong examines the face upright and in animation, not lying flat, because descended tissue settles differently under gravity. He checks skin thickness and elasticity by pinch and recoil, identifies which fat pads have moved and which have deflated, and looks for the findings that rule threads out: very thin skin, heavy subcutaneous fat, established skin excess. History covers bleeding tendency, previous filler or implants in the plane, and keloid tendency.

02
Vector Mapping

With you seated, the anchor points and vectors are drawn on the skin: the direction each thread will run, from where, and how many. Thread material, mono or cog, and gauge are chosen per vector. This map is the plan. The number of threads is only known at this point, which is why cost is set out here and not before.

03
Anaesthetic & Insertion

Entry points are numbed with topical anaesthetic and local anaesthetic is infiltrated along each vector. A 19–21 G blunt cannula or sharp needle carries the thread into the subcutaneous plane along the drawn line, the cannula is withdrawn, and tension is applied toward the anchor so the barbs engage. The thread end is trimmed flush beneath the skin so nothing protrudes.

04
Combination & Staging

Threads are often staged with an energy-based treatment when the presentation includes skin laxity as well as descent, or with filler where a deflated fat pad is contributing to the fold. What is combined, and in which order, is decided at consultation rather than added on the day.

Aftercare
What to expect: thread liftFour-step timeline for a thread lift: consultation, treatment day, first days and review, with what usually happens and what to avoid.What to expect: thread lift1ConsultationVectors and planeplanned; medicationsand history reviewed2Treatment dayLocal anaesthetic;tightness, swelling andbruising possible3First daysAvoid pressure, widemouth opening, facials;sleep face-up as advised4ReviewReview arranged tocheck settling andsymmetryQualitative phases only; what applies to you, and when, is discussed at consultation and review.
Consultation, treatment day, first days and review for a thread lift: what usually happens, what to avoid, and that a review is arranged.

Recovery Varies — and the Risks, Stated Plainly

Recovery varies. Swelling, bruising at the entry points, tenderness along the vectors and a sensation of tightness or pulling when you open your mouth wide are normal in the early period. Small dimples or puckers where a cog has engaged the tissue usually settle as the swelling resolves; a persistent one can be released. You are asked to avoid wide mouth opening, facial massage, dental work and sleeping face-down early on, and to keep the entry points clean.

What warrants review: pain that increases rather than settles, spreading redness or warmth, a thread end that shows through the skin or can be felt as a hard line, a dimple that does not settle, or an asymmetry that persists once the swelling has gone.

Common & Self-Limiting

Expected in the Early Period

Bruising, swelling, tenderness, temporary dimpling at cog engagement points, and a pulling sensation along each vector. These relate to the traction the thread is applying and to the passage of the cannula.

Less Common

Related to Depth, Tension or Tissue

A thread that is palpable or shows under thin skin, extrusion of a thread end at the entry point, infection, asymmetry, migration of a thread from its planned line, and a lift that is less than planned where the tissue was heavier than the thread could hold.

Rare

Related to Plane

Injury to a branch of the facial nerve or to the parotid duct, salivary fistula, and granuloma around a thread. These relate to placement deeper than the subcutaneous plane, and they are the reason that plane is respected. A thread cannot be dissolved on demand; an intact thread can sometimes be removed physically in the early period.

Different Mechanisms, Different Timelines

When a Different Mechanism Is Needed

A thread repositions. It does not heat tissue or remove skin. Where the presentation is laxity rather than descent, one of these mechanisms is discussed instead of, or alongside, threads. Each does a different thing to a different layer on a different timeline.

Focused Ultrasound
HIFU · Ultherapy

Coagulation at the SMAS

HIFU and Ultherapy deliver focused ultrasound to fixed depths — approximately 4.5 mm to reach the SMAS and 3.0 mm for the deep dermis — creating discrete thermal coagulation points. The tissue response is a contraction and collagen remodelling that develops after treatment; nothing is repositioned on the day. It addresses laxity in the layer a thread does not reach.

  • Mechanism — thermal coagulation, not mechanical traction
  • Layer — SMAS and deep dermis, beneath the thread plane
  • Timeline — the response builds after treatment rather than at the time of it
  • Nothing inserted, nothing to resorb
Read about HIFU →
Radiofrequency
VF Lift · Volnewmer Monopolar RF

Bulk Heating of the Dermis

Monopolar radiofrequency at 6.78 MHz heats the dermis and subcutaneous layer volumetrically rather than at discrete points. In the VF Lift, Dr Sin Yong applies Volnewmer monopolar radiofrequency along vertical vectors, customised for face and body; no focused ultrasound is used. Again the response is collagen contraction over time, and again nothing is inserted.

  • Mechanism — volumetric heating, not mechanical traction
  • Layer — dermis and subcutaneous layer, monopolar radiofrequency only
  • Timeline — the response builds after treatment
  • Combines with threads where descent and laxity coexist
Explore VF Lift →

Surgery is the third mechanism. A surgical facelift repositions the SMAS itself and excises skin, which no thread or energy device does. Where skin excess is established, that is the honest answer, and it is given at consultation.

Cost

What Determines the Cost

Cost is set out at consultation, once the vectors have been mapped and the thread count is known. The factors are the number of zones treated (jowl, midface, brow, neck); the thread material and gauge; how many cog threads each vector needs and whether mono threads are added; whether an energy-based treatment or filler is staged alongside; and whether the plan is delivered in one visit or staged. No figure is quoted from a photograph, because the thread count cannot be.

What recovery looks like after the Bliss Lift thread lift

The sequence below describes phases, not a timetable: how quickly each passes depends on the settings used, the area and the person, and is discussed at consultation.

  1. Immediately afterSwelling and bruising at the entry points, tenderness along each vector, and a pulling or tight sensation on wide mouth opening.
  2. The first eveningSleep face-up with the head raised; avoid wide yawning, chewing hard food and facial massage while the cogs engage.
  3. The following daysSmall dimples or puckers where a cog has caught the tissue usually settle as swelling resolves; a persistent one can be released.
  4. As the skin settlesTightness eases and the collagen response around the threads develops gradually; the early appearance is not the final one.
  5. Follow-upIncreasing pain, spreading redness, a thread end showing through the skin or persistent asymmetry warrants review rather than waiting.
The Bliss Lift compared with other ways of addressing a descended or ageing face
OptionWhat it doesWhat it cannot doWhat to expect afterwardsWho it tends to suit
Bliss Lift cog threadsAbsorbable PDO and PCL barbed threads reposition descended jowl, midface and brow tissue.Does not tighten or remove skin, add volume, or change skin quality.Swelling, bruising, tenderness and tightness early on; small dimples usually settle.Early descent of mobile fat pads, with skin that still has elasticity.
Mono threadsSmooth threads that leave a line of collagen along their track.Carry no lifting vector, so they do not reposition tissue.Discussed at consultation; sometimes combined with cog threads.Surface support rather than lift.
Energy-based treatmentHeats tissue to address skin laxity; sometimes staged alongside threads.Does not mechanically reposition descended fat pads.Recovery depends on the device used; discussed at consultation.Skin laxity rather than descent.
FillerRestores volume where a deflated fat pad contributes to the fold.Does not reposition descended tissue.Hyaluronic acid filler can be dissolved with hyaluronidase; discussed at consultation.Volume loss rather than descent.
Surgical faceliftMoves the SMAS, a surgical manoeuvre and the line between a thread lift and a facelift.Is not a thread lift and sits outside the Bliss Lift.Surgical recovery, discussed where descent is extensive.Extensive descent or established skin excess that threads cannot address.

Who it suits, who should wait, who is referred on

Tends to suit

  • Early jowl descent with a mobile fat pad
  • Midface that has slid, with skin that still recoils
  • Lateral brow that has dropped, with reasonably elastic skin above
  • Realistic goal of repositioning rather than tightening

Better to wait

  • Pregnancy or breastfeeding
  • Active skin infection along the planned vectors
  • Goal that needs a facelift-level change

Referred on

  • Heavy skin excess or established laxity: surgical assessment by a plastic surgery team
  • Platysmal banding or a full submental fat pad: a different mechanism or referral
Who should not have this treatment
  • Active infection or inflammation in the planned thread zones
  • Bleeding tendency or blood-thinning medicines not yet reviewed
  • Keloid or hypertrophic scarring history
  • Very thin skin where a cog may show or dimple
  • Previous non-absorbable implants in the same plane
  • Pregnancy or breastfeeding

Threads tend to disappoint people with established skin excess, very thin skin or heavy facial fat, and anyone expecting skin tightening or facelift-level change.

Before you book

  • Declare blood-thinning medicines, supplements such as fish oil, and any bleeding tendency
  • Tell the clinic about previous filler, threads or implants in the face, and any keloid history
  • Avoid strong sun exposure on the face and pause strong skincare actives as advised before treatment
  • Tell the clinic if you are pregnant, breastfeeding or have dental work planned
  • Bring photographs of your face from earlier years and records of past facial treatments

What determines the fee

The fee depends on how many threads and vectors your face needs, which zones are treated (jowl, midface, brow or neck), the thread material and gauge chosen for each vector, and whether threads are combined with an energy-based treatment or filler. The number of threads is only known once the vectors are mapped, so a written quote is given at consultation after assessment. The consultation also decides whether threads are advised at all, because some faces are better served by a different approach.

How quotes work at this practice: how we quote.

Myths we hear in clinic

“Threads tighten sagging skin.”

A thread repositions descended tissue mechanically; it does not tighten, remove or resurface skin, so laxity is assessed for a different mechanism.

“Threads can be dissolved if you dislike them, like filler.”

Hyaluronidase acts on hyaluronic acid only; threads resorb on their own timeline, although an intact thread can sometimes be removed physically early on.

Threads tend to disappoint people with established skin excess, very thin skin or heavy facial fat, and anyone expecting skin tightening or facelift-level change.

Thread lift vs HIFU: how the two differ

A thread lift and HIFU are often offered for the same sagging, yet they work by different mechanisms on different layers, so one is not a stronger version of the other. A thread physically carries descended tissue back toward an anchor, and the change is mechanical and begins on the day. HIFU heats small points at set depths, including the SMAS, and the change builds through collagen remodelling after treatment, with nothing repositioned on the day. The first suits a mobile fat pad that has slid with skin that still recoils; the second suits lax tissue without much descent. Our comparison guide sets the two side by side (see thread lift vs hifu singapore.html).

Thread lift (Bliss Lift) and HIFU compared by mechanism, layer, timing and fit
QuestionThread lift (Bliss Lift)HIFU
How does it work?Barbed threads engage tissue and reposition it mechanicallyFocused ultrasound heats points and prompts collagen remodelling
Which layer?Subcutaneous fat, above the SMASDermis and SMAS, at set cartridge depths
When does the effect begin?Repositioning happens at treatment; the collagen track develops afterwardsNothing is repositioned; change develops gradually afterwards
Who tends to suit it?Early descent of mobile fat pads, with skin that recoilsEarly to moderate laxity without a full fat pad or hollow

Is a thread lift worth it?

Whether a thread lift is worth it depends on whether your face has the problem threads address, not on the treatment itself. Threads reposition descended tissue of the jowl, midface and brow; they do not tighten or remove skin, add volume or change skin quality, and the mechanical hold tapers as the polymer resorbs while the collagen track remains. It tends to be worth considering when the picture is early descent of a mobile fat pad, skin that still recoils and a goal of repositioning rather than tightening. It is a poorer fit where laxity is established, the skin is very thin or the face carries a great deal of subcutaneous fat.

Weigh the practical points as well. Swelling, bruising, tenderness and a pulling sensation are expected early on, small dimples usually settle, and a thread cannot be dissolved on demand as hyaluronic acid filler can, so planning the vectors carefully matters. Facial ageing continues afterwards, and no duration is promised. Threads can be combined with an energy-based treatment or filler when the picture includes laxity or lost volume. The consultation decides whether threads are advised at all, and sometimes the honest answer is a different mechanism, a referral for surgical assessment or no treatment.

Go deeper on Thread Lift

Common planning mistakes with a thread lift

  1. Expecting threads to tighten skin or add volume. Cog threads reposition a mobile fat pad; they do not tighten lax skin or refill a deflated cheek, so assessment checks elasticity and volume before threads are considered.
  2. Threads for heavy, established laxity. Where the jowl sits on established skin excess the tissue is heavier than a thread can hold and the lift falls short; heavy laxity is routed to a surgical opinion instead.
  3. Adding energy or filler on the day. Threads are often staged with energy-based tightening or filler, but what is combined and in which order is decided at consultation, not improvised at the treatment visit.
  4. Fixing the thread count before assessment. The number of threads, their material and gauge are only known once anchor points and vectors are mapped on your face, which is why the plan and quote follow the mapping.

Frequently Asked Questions — The Bliss Lift

PDO (polydioxanone), PCL (polycaprolactone) and PLLA (poly-L-lactic acid) are all absorbable suture polymers that break down by hydrolysis. Of the three, PDO hydrolyses earliest, PLLA more slowly and PCL slowest, so the mechanical support each provides tapers on a different curve. All three leave a collagen track along the path of the thread as they resorb. Which polymer is used depends on the zone, the tissue thickness and the plan agreed at consultation.
A mono thread is smooth. It carries no lifting vector; it is placed to leave a line of collagen along its track and is used for surface support. A cog thread has cut or moulded barbs along its length that engage the subcutaneous tissue so the thread can carry tissue toward its anchor point. Lifting of the jowl, midface or brow relies on cog threads. Mono threads are placed for a different purpose and are sometimes combined with them.
Lifting threads are placed in the subcutaneous fat, above the SMAS (superficial musculoaponeurotic system) and below the dermis. Placed too superficially, a thread can be felt or show through and can cause dimpling; placed too deep, it enters the plane where the facial nerve branches and the parotid duct run. The SMAS itself is not repositioned. That is a surgical manoeuvre, and it is the reason a thread lift is not a facelift.
A thread repositions tissue; it does not shrink skin. Where the problem is a descended fat pad with reasonable skin quality, a cog thread can carry that tissue back toward its anchor. Where the problem is skin that has lost elasticity, moving it does not change its quality, and the excess simply redistributes. Skin laxity is addressed by heating the dermis or the SMAS, or by removing skin surgically. Those are different mechanisms, and the distinction is made at consultation.
The Bliss Lift is performed under local anaesthetic infiltrated along each planned vector, with a topical anaesthetic at the entry points. The passage of a blunt cannula through anaesthetised tissue is felt as pressure and traction rather than sharp pain. Tenderness, tightness and a pulling sensation along the vectors are normal afterwards, particularly on wide mouth opening. Analgesia and what to expect in the early period are covered at consultation.
Recovery varies. Swelling, tenderness, bruising at the entry points and a sensation of tightness along the thread vectors are normal in the early period. Small dimples or puckers where a cog engages the tissue usually settle as the swelling resolves. Wide mouth opening, vigorous facial massage, dental work and sleeping face-down are avoided early on. Increasing pain, spreading redness, a thread end that shows through the skin or an asymmetry that persists all warrant review.
No. Unlike hyaluronic acid filler, which can be dissolved with hyaluronidase, a thread cannot be dissolved on demand. The polymer resorbs by hydrolysis on its own timeline. A thread that shows through the skin, is palpable or has migrated can sometimes be physically removed through a small entry point in the early period, which is easier while it is intact than after it has begun to fragment. This is one reason vector planning is done with care.
Common and self-limiting: bruising, swelling, tenderness, temporary dimpling and a pulling sensation along the vectors. Less common: a thread that is palpable or shows under thin skin, extrusion of a thread end at the entry point, infection, asymmetry and migration of a thread from its planned line. Rare: injury to a branch of the facial nerve or to the parotid duct, which relates to depth of placement. Planning, plane and thread selection reduce these risks but do not remove them.
They are different mechanisms. A thread is a physical suture that repositions tissue mechanically and leaves collagen along its track. HIFU and Ultherapy deliver focused ultrasound that creates coagulation points at the SMAS and in the deep dermis, and the response is a collagen contraction that develops over time rather than a repositioning on the day. Neither replaces the other. Some presentations need only one of them, and the choice is made at consultation.
Cost is set out at consultation. It depends on the number of zones treated, the thread material and gauge the plan calls for, how many cog threads each vector needs and whether mono threads are added, and whether an energy-based treatment or filler is staged alongside. No figure is quoted from a photograph because the number of threads is only known once the vectors have been mapped on your face in person.
The fee depends on the number of threads and vectors, the zones treated, the thread material and whether another treatment is combined. Because the number of threads is only known once vectors are mapped on your face, a written quote is given at consultation after assessment, and the consultation also decides whether threads are advised at all.
It is worth considering for early to moderate descent of the jowl, midface or brow where skin still has elasticity and the goal is repositioning. It is the wrong tool for heavy skin excess, thin skin, a large volume deficit or an expectation of facelift-level change. Assessment of your tissue, not age, decides which applies.
No fixed duration can be promised. Thread material matters: PDO hydrolyses earliest, PLLA more slowly and PCL slowest, so mechanical hold tapers in that order while the collagen track remains. Tissue weight, vector design, facial movement and ongoing ageing also influence longevity. Review timing is set at consultation.
Threads reposition tissue but do not tighten skin, remove skin or add volume. Early swelling, bruising, tenderness and dimpling are common. Less commonly a thread can be palpable, extrude, migrate or leave asymmetry, and threads cannot be dissolved on demand. Heavy or very thin tissue responds poorly, and ageing continues afterwards.

Beyond facial threads, a nose thread lift in Singapore places PDO threads along the nasal dorsum for definition rather than lift. It is a separate procedure with its own anatomy and its own assessment.

Question not answered here? Ask on WhatsApp, use the enquiry form, or browse 100 questions patients ask.

Watch

Dr Sin Yong explains

“I'm invited to share my clinical expertise on a thread system — and I'd still tell you threads are wrong for plenty of faces.”Dr Sin Yong

A Thread-Lift Physician on What Threads Can't Do

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Find the Right Lifting Protocol for You

Threads, focused ultrasound, radiofrequency or surgery — the right protocol is the one matched to your anatomy, to descent versus laxity, and to your goals. Consultations by appointment.

  1. 1WhatsApp a short note on your concern
  2. 2Consultation and assessment with Dr Sin Yong
  3. 3Options explained, including no treatment

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Related: Thread Lift Guide · Nose Thread Lift · Jowls & Lower-Face Sagging · Sagging Face Treatment · HIFU · Ultherapy · VF Lift

Medically reviewed by Dr Sin Yong, MBBS (NUS), MRCS (Edinburgh) · Last updated 7 October 2026 · Editorial policy

Related reading

References

  1. Treatment of Facial Skin Laxity by a New Monopolar Radiofrequency Device — PMC / Journal of Cutaneous and Aesthetic Surgery.
  2. Consensus Recommendations for Combined Aesthetic Interventions Using Botulinum Toxin, Fillers, and Energy-Based Devices — PubMed / Dermatologic Surgery.
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