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How to treat hypertrophic scars

Dec 13, 2021 Source: Cainiu Health
Dr. Liu Wan
Introduction
Surgical treatment of hypertrophic scars is relatively suitable for larger scar areas, though it presents greater technical challenges; clinically, it generally yields favorable outcomes. Three common surgical approaches include: (1) facial scar excision combined with skin grafting, (2) flap surgery, and (3) simple excision with primary closure. Local subcutaneous injection involves directly administering medication into the subcutaneous tissue beneath the hypertrophic scar.

Scars—commonly referred to as “knife scars”—are a relatively frequent type of scar. If the scar is mild, it may gradually fade and return to a more natural appearance over time. However, if the scar is severe or the individual has a keloid-prone (hypertrophic-scar-prone) constitution, the scar is likely to undergo hypertrophic growth (i.e., become raised, thickened, and enlarged). Hypertrophic scarring is significantly more challenging to treat. Below, we provide a detailed overview of treatment options for hypertrophic scarring.

How to Treat Hypertrophic Scarring

Surgical Treatment

Surgical intervention is generally suitable for larger scars and tends to be more technically demanding, though clinical outcomes are typically favorable. Three commonly employed surgical techniques include: excision of facial scars combined with skin grafting, flap surgery, and simple excision with primary closure.

Intralesional Corticosteroid Injection

This approach involves direct injection of corticosteroid-based medications into the subcutaneous tissue of the scar. Corticosteroids exert potent anti-inflammatory effects and help dissolve inflamed tissue. Currently, intralesional corticosteroid injection remains the simplest and most effective treatment for hypertrophic scarring.

Chemical Peeling

Chemical peeling is appropriate for mild or superficial scarring. It utilizes trichloroacetic acid (TCA) or alpha-hydroxy acids (AHAs) to gently remove the outermost layer of epidermal cells. For typical scars, dermatologists often opt for TCA peeling. This method yields excellent therapeutic results for hypertrophic scarring.

Microdermabrasion

Microdermabrasion is a minimally invasive cosmetic procedure for treating hypertrophic scarring. It works by spraying sterile, ultra-fine microcrystals onto the treatment area, which gently loosen and exfoliate aged or damaged skin cells. Simultaneously, this process stimulates the skin’s basal layer, enhancing oxygen absorption and promoting blood circulation—thereby encouraging collagen and elastin synthesis. When combined with appropriate post-procedure skincare, microdermabrasion helps restore smooth, even, clear, natural-looking skin with improved elasticity and radiance.

We hope the above information is helpful to you. Wishing you a happy and healthy life!

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