Acne Scar Removal Singapore · Pimple Scar Treatment · 4D Scar Reconstruction · Subcision · S3 Resurfacing Laser · Dr Sin Yong

4D Scar Reconstruction — Dr Sin Yong’s Acne Scar Protocol

Dr Sin Yong · MBBS (NUS) · MRCS (Edin) · MSc Aesthetic Medicine (London) · MSc Practical Dermatology (Cardiff) · International KOL Acne scar treatment in Singapore — the overview of every option sets out how the approaches compare before you choose one.

Four-dimensional scar reconstruction: specialised subcision, collagen stimulation, point-shot ablations and fractional laser — addressing tethering, depth, texture and volume within one coordinated protocol, planned individually after the scar type is identified.

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4 Dimensions
Addressed
All Scar Types
Protocol
DEKA KOL
Dr Sin Yong
10,600 nm
Fractional CO2

4 Dimensions
Addressed
All Scar Types
Protocol
DEKA KOL
Dr Sin Yong
10,600 nm
Fractional CO2
The Doctor Other Doctors Train With
International KOL & trainer for 14+ device brandsTrained 500+ doctors across AsiaMBBS (NUS) · MRCS (Edinburgh) · Dual UK Masters with DistinctionEvery treatment personally performed — never delegated
About This Treatment

Addressing All Four Dimensions of Scar Architecture

Acne scar removal and pimple scar treatment in Singapore is most effective when all four architectural dimensions of scarring are addressed simultaneously: surface texture (the visible irregularity), dermal depth (the vertical tissue deficit), subcutaneous tethering (the fibrous bands pulling the scar base down), and volumetric deficit (the lost tissue volume within the scar). No single treatment addresses all four at once — which is why single-modality protocols consistently produce partial results.

The 4D Scar Reconstruction protocol, designed by Dr Sin Yong, achieves this through specialised subcision (releasing fibrous scar bands), Radiesse (collagen stimulating agent)s, point-shot ablations targeting individual pits, and fractional ablation — all performed in a single coordinated session. The sequence matters: subcision releases the tethering before laser energy adds structural collagen above.

The 4D Protocol — Four Simultaneous Dimensions

01
D1 — Surface Texture (Point-Shot & Fractional Ablation)
Precision point-shot ablations target individual scar pits directly, followed by fractional ablation across the treatment zone — stimulating intense collagen remodelling to progressively smooth surface textural irregularity.
02
D2 — Dermal Depth (Collagen Stimulation)
Deep collagen stimulation gradually fills the vertical tissue deficit within the scar — raising the scar floor progressively over multiple sessions.
03
D3 — Subcutaneous Tethering (Subcision)
Subcision releases the fibrous bands tethering the scar base to deeper tissue — allowing the scar floor to rise before laser resurfacing adds structural collagen.
04
D4 — Volumetric Deficit (TCA Cross / Radiesse)
TCA Cross addresses icepick scar volumes with chemical stimulation. Radiesse — a collagen-stimulating agent — is injected beneath released scar tissue to restore volumetric deficit while simultaneously triggering the body's own collagen production. This dual action surpasses standard fillers for post-subcision reconstruction.

“You can resurface a tethered scar indefinitely — the tether keeps pulling it down. Release comes first.”

— Dr Sin Yong

What to Expect

Sessions & Spacing

The number of treatments and the interval between them are set individually, and reviewed as the skin remodels rather than fixed in advance. Structural change accumulates between treatments — the scar architecture is rebuilt rather than temporarily masked.

Downtime

a period of pinpoint scabbing following resurfacing, and bruising where subcision has been performed. Recovery varies between patients and with the depth treated. Redness fades as the skin heals and remodels; anything painful, spreading or unexpected should be reviewed rather than waited out.

Degree of Improvement

The protocol is directed at four features of the scar at once — texture, depth, tethering and volume — rather than at the surface alone. How much any individual scar changes depends on its type, its depth and how long it has been tethered, and is discussed honestly at assessment.

Further Refinement

For residual superficial scarring following the 4D protocol, Dr Sin Yong transitions to S3 Resurfacing Laser and FSX Laser (Flawless Smooth Skin) — optimised for finer surface refinement once the deeper structural components have been addressed.

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Frequently Asked Questions

Standard laser resurfacing addresses surface texture only (one dimension). 4D Scar Reconstruction simultaneously addresses surface texture, dermal depth, fibrous tethering and volumetric deficit — all four architectural dimensions of the scar.
A course is planned individually after assessment. Structural scar remodelling accumulates across sessions.
5–7 days of scabbing following treatment, and 7–14 days of possible bruising. Redness, mild swelling and scabbing are expected and resolve progressively. Most patients are socially presentable after 7–10 days.
Rolling scars, boxcar scars, icepick scars, hypertrophic scars, post-surgical scars and stretch marks — each using the most appropriate component of the 4D protocol.
Collagen remodelling after fractional resurfacing and subcision is a gradual biological process, so the skin continues to change after the treated surface has healed. Progress is reviewed against standardised photography rather than estimated.
What the 4D Scar Reconstruction protocol costs depends on the extent of the scarring, how many dimensions the assessment finds need addressing, whether one or several modalities are combined, and how the plan is staged. Dr Sin Yong sets this out at consultation, once the scarring has been examined.

The Four Dimensions Explained

Standard laser treatments address only the surface — texture and colour — while leaving the deeper structural components untreated. That is why many patients undergo repeated laser sessions with diminishing returns and persistent scars.

Dimension 1 — Surface Texture: Irregular pitting and roughness. Treated with S3 Resurfacing Laser fractional ablation.

Dimension 2 — Scar Depth: Volume deficit beneath depressed scars. Treated with subcision and filler elevation.

Dimension 3 — Pigmentation: Post-inflammatory hyperpigmentation and erythema. Treated with S3 Resurfacing Laser point-shot ablations.

Dimension 4 — Fibrous Tethering: Subcutaneous bands anchoring rolling scars. Treated with subcision to mechanically release tethering.

Key facts
Core technique
Wide-zone subcision — the fibrous tethers beneath a depressed scar are released across a whole area rather than scar by scar
Instrument principle
Comparable to a Taylor Liberator-type release
Second stage
Resurfacing laser work over the released zone
Third stage
A collagen-stimulating agent introduced after treatment to support the released tissue
Rationale
Subcision addresses the tethering that resurfacing alone cannot reach; the stages are sequential rather than alternatives
Directed at
Rolling and tethered scarring, where the depression is caused by traction from below
Resurfacing wavelength
Fractional ablative CO2 at 10,600 nm (DEKA SmartXide), absorbed by tissue water, creating columns of ablation with intervening untreated skin
Pigment, separately
Picosecond 785 nm addresses post-inflammatory pigment, which is a different problem from scar contour and is treated as such
Scar classification
Icepick, boxcar and rolling scars are different structures; the Goodman and Baron scale runs Grade 1 (macular) to Grade 4 (severe)
Skin type
Fitzpatrick III–V predominate in Singapore, so settings and post-inflammatory pigment risk are calibrated rather than borrowed from other populations
Classification
Physician-performed laser and injectable procedures, assessed in person before any plan is made

Treatment Modalities

S3 Resurfacing Laser (DEKA) — Ablates microthermal zones triggering wound healing with new collagen deposition. Precise calibration of ablation depth and density per scar type and skin tone.

Subcision — Fine needle or cannula mechanically severs fibrous bands beneath rolling and tethered scars, allowing them to rise toward the surface. A haematoma forms beneath, acting as a natural spacer preventing rebinding.

TCA CROSS — Highly concentrated trichloroacetic acid applied precisely to icepick and narrow boxcar scars, triggering reconstruction of the scar channel. Most effective for icepick scars unresponsive to laser alone.

Collagen Stimulating Agent Post-Subcision — Radiesse (calcium hydroxylapatite) is injected beneath the released scar tissue — acting as a collagen biostimulator while providing volumetric support at the time of placement. Calcium hydroxylapatite and poly-L-lactic acid work through different mechanisms on different timelines, and hyaluronic acid works through a third; which is appropriate under a released scar is a clinical decision made at assessment.

Realistic Expectations

No scar treatment removes a scar entirely. Acne scarring is graded — the Goodman and Baron scale runs from Grade 1 (macular) to Grade 4 (severe) — and the grade, the scar type and the degree of tethering set what is realistically achievable. That conversation happens at assessment, before any treatment is planned, not afterwards.

Clinical photography is performed under standardised lighting for the medical record, so that response is judged objectively rather than from memory. Dr Sin Yong reviews it with each patient and adjusts the protocol accordingly. The interval between treatments matters as much as the sessions themselves — each treatment initiates a wound-healing response that must complete before the next begins.

SY
Dr Sin Yong
MBBS (NUS, Singapore) · MRCS (Royal College of Surgeons, Edinburgh)
MSc Practical Dermatology (University of Cardiff, UK) · MSc Aesthetic Medicine (University of London)
Graduate Diploma Sports Medicine (Singapore)
International Key Opinion Leader — CLASSYS | HIRONIC | DEKA | ALMA | FOTONA | LUTRONIC

As a comprehensive acne scar treatment in Singapore, 4D Scar Reconstruction combines resurfacing, subcision and collagen stimulation to address every dimension of scarring.

Fees & Consultation

What Determines Your Fee

The area being treated

A focused zone and a full-face plan are different undertakings, and the fee reflects the extent of what is actually treated.

What the assessment finds

The plan follows the examination — what is loose, what has descended, and what the skin itself needs determine the approach.

Single or combined modalities

Some plans use one technology; others combine modalities at different depths, staged over time.

Under Singapore's healthcare advertising regulations, fees for licensable healthcare services are not published. Your fee is set out clearly at consultation, after Dr Sin Yong has assessed you — before anything is decided.

WhatsApp for a Fee Estimate
Watch

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References

  1. Comparative Efficacy and Safety of Fractional CO2 Laser and Microneedling Radiofrequency for Atrophic Acne Scars: A Systematic Review — PMC.
  2. 1064-nm Picosecond Laser vs 1927-nm Fractional Thulium Laser for Atrophic Acne Scars in Asian Patients: A Randomized Split-Face Study — PMC.
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