Why Acne Scars Often Require More Than One Treatment
Acne scars form through a combination of inflammation, collagen destruction, and abnormal wound healing. Because scars vary in shape, depth, and tethering, no single treatment can address all scar types effectively.
A multi-modality approach treats scars at different structural levels—releasing what is pulling the skin down, stimulating collagen where it is lost, and resurfacing uneven texture.

Step 1: Releasing Tethered Rolling Scars
What Causes Tethered Scars?
Rolling scars develop when fibrous bands form between the skin and deeper tissue during healing. These bands anchor the surface downward, creating a wavy or sunken appearance that cannot be corrected by lasers alone.
How Subcision Releases Fibrous Bands
Subcision is a minor procedural technique that mechanically releases these fibrous strands beneath the skin.
By freeing the tethered tissue:
- The scar is physically lifted
- Blood-derived growth factors initiate repair
- A controlled healing response encourages collagen regeneration
This step is foundational for treating rolling scars before energy-based treatments are introduced.

Step 2: The Hybrid Resurfacing Approach
Fractional Laser for Surface Texture
Fractional laser creates microscopic treatment zones that resurface damaged skin while stimulating collagen renewal.
It is particularly useful for:
- Boxcar scars
- Uneven skin texture
- Superficial scar edges
RF Microneedling for Deep Dermal Remodeling
Radiofrequency (RF) microneedling delivers heat into the dermis through insulated needles, targeting deeper layers than lasers alone.
This helps:
- Stimulate structural collagen remodeling
- Thicken atrophic scar tissue
- Improve skin firmness with controlled thermal energy
The combination of ablative resurfacing and dermal remodeling allows treatment across multiple scar depths.

Step 3: Treating Deep Ice-Pick Scars
The TCA CROSS Technique
Ice-pick scars extend vertically into the dermis and respond poorly to general resurfacing.
TCA CROSS (Chemical Reconstruction Of Skin Scars) involves placing a precise concentration of trichloroacetic acid into the scar to trigger controlled reconstruction.
This induces:
- Localised collagen formation
- Gradual filling of the narrow tract
- Reduction in scar depth over repeated sessions

Step 4: Addressing Volume Loss with Bio-Stimulators
Elevating Depressed Areas
Long-standing acne scars often involve true volume depletion. Bio-stimulatory injectables are used to support structural rebuilding rather than simply filling space.
Supporting Gradual Collagen Formation
These treatments work by activating fibroblasts to produce new collagen over time, leading to:
- Progressive elevation of depressed scars
- Improved dermal thickness
- Longer-term remodeling rather than temporary correction

The Treatment Process: From Consultation to Recovery
Consultation & Treatment Planning
Each scar pattern is mapped to determine:
- Scar types present
- Degree of tethering vs. volume loss
- Skin sensitivity and healing profile
- Appropriate sequencing of treatments
Multi-modality therapy is typically staged to optimise healing between sessions.
What to Expect During the Multi-Modal Process?
Treatment is performed over several visits, allowing gradual correction while minimising complications.
Sessions are spaced to allow collagen regeneration before the next modality is introduced.

Post-Treatment Results & Expected Downtime
How Many Sessions Do You Need?
Most patients require a series of treatments because scar remodeling is cumulative. Improvements are typically seen progressively as collagen rebuilds over months.
Follow These Aftercare Tips to Support Your Recovery
- Use strict sun protection to reduce pigmentation risk.
- Avoid picking or exfoliating healing skin.
- Follow post-procedure skincare to support barrier repair.
- Allow adequate intervals between treatments for collagen maturation.
Who Is Suitable for Multi-Modality Acne Scar Treatment?
This approach may be considered for individuals who:
- Have mixed scar types (rolling, boxcar, ice-pick).
- Experience textural irregularities not responsive to single treatments.
- Prefer gradual structural improvement rather than aggressive resurfacing.
- Are able to commit to staged treatments and aftercare.
Book a Skin Assessment at Vidaskin Medical Aesthetic Clinic
At VIDASKIN Medical Aesthetic Clinic, acne scar management is planned using a layered strategy tailored to scar morphology and skin response, with the aim of improving texture while maintaining skin stability—particularly important for Asian skin types.
Frequently Asked Questions
What is the best acne scar treatment in Singapore?
There is no single “best” treatment. Effective management usually combines techniques such as subcision, energy-based devices, and collagen-stimulating therapies based on scar type.
Can acne scars be completely removed?
Acne scars can often be improved significantly, but complete removal is uncommon. Treatment focuses on making scars less visible and improving overall skin texture.
Is subcision painful?
Local anaesthesia is typically used to improve comfort. Mild soreness or bruising may occur for several days.
How long is the downtime for a fractional laser?
Downtime varies depending on treatment intensity but may involve redness, swelling, and peeling over several days to a week.
Is TCA CROSS safe for Asian skin?
When performed carefully with appropriate concentrations and aftercare, it can be used in Asian skin, though careful technique is essential to reduce the risk of post-inflammatory hyperpigmentation.