Fractional CO2 laser therapy drives significant physical improvements in keloids by specifically targeting scar height, pigmentation, and tissue pliability. These changes are measurable through the Vancouver Scar Scale (VSS), marking a transition from rigid, protruding lesions to flatter, more natural skin.
By reducing elevation, normalizing color, and softening the tissue, this monotherapy effectively remodels the scar's physical structure to resemble normal skin texture.
Transforming Scar Architecture
To understand why this therapy is effective, we must look at how it alters the physical properties of the keloid. The treatment does not just damage the tissue; it systematically improves the specific metrics used clinically to define scar severity.
Reduction in Scar Height
One of the most visible indicators of a keloid is its protrusion above the skin level. Fractional CO2 laser monotherapy significantly reduces this elevation.
By targeting the excess tissue mass, the laser helps flatten the lesion. This reduces the distinct, raised profile that characterizes keloid formation.
Normalization of Pigmentation
Keloids often present with discoloration that contrasts sharply with healthy skin. The therapy works to normalize this pigmentation.
Over the course of treatment, the scar's color shifts closer to the patient's natural skin tone. This visual blending is a key component of the cosmetic improvement recorded on the Vancouver Scar Scale.
Restoration of Pliability
Perhaps the most functional improvement is the change in tissue texture. Keloids are typically rigid and unyielding.
The laser treatment increases the pliability of the scar tissue. This softening effect reduces the stiffness of the lesion, allowing it to move more naturally with the surrounding skin.
Understanding the Scope of Improvement
While the physical improvements are significant, it is important to understand the specific parameters within which this success is measured.
Focus on Physical Indicators
The primary improvements noted are structural: height, color, and softness. The reference specifically highlights these changes in the context of the Vancouver Scar Scale (VSS).
The Role of Monotherapy
The results described are achieved through Fractional CO2 laser acting as a monotherapy. This indicates that the laser alone is capable of driving these multi-dimensional changes without the absolute necessity of adjunct treatments for these specific physical metrics.
Evaluating Treatment Goals
When considering this therapy, align your expectations with the specific physical changes it delivers.
- If your primary focus is aesthetics: The treatment is highly effective at reducing the visual prominence of the scar by flattening its height and blending its color.
- If your primary focus is function: The increase in pliability will be the most valuable outcome, as it softens rigid tissue that may be restricting movement.
Fractional CO2 laser therapy offers a measurable pathway to transforming protruding, rigid scars into flatter, softer tissue that integrates better with your natural skin.
Summary Table:
| Physical Indicator | Improvement Mechanism | Clinical Outcome (VSS) |
|---|---|---|
| Scar Height | Ablative tissue mass reduction | Flattened profile & reduced protrusion |
| Pigmentation | Controlled thermal remodeling | Normalized skin tone & visual blending |
| Pliability | Collagen fiber reorganization | Softened texture & increased flexibility |
| Tissue Density | Fractional micro-thermal zones | Improved integration with healthy skin |
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References
- Jinhui Wang, Xiaohong Yang. Application of fractional carbon dioxide laser monotherapy in keloids: A meta‐analysis. DOI: 10.1111/jocd.16106
This article is also based on technical information from Belislaser Knowledge Base .
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