Types of Acne Scars and How to Identify Them

Introduction

Acne may eventually clear, but for many people the scars can remain long after active breakouts have resolved.

Not all acne scars are the same.

Different scar types affect different layers of the skin and often require different treatment approaches.

Understanding the type of scar present is an important first step in determining appropriate treatment options.

Why Acne Scars Form

Acne scars develop when inflammation damages the skin’s underlying structure.

As the skin heals, collagen production may become disrupted.

This can lead to:

Tissue loss
Surface irregularities
Depressions in the skin

The severity of inflammation often influences scar formation.

Ice Pick Scars

Ice pick scars are:

Deep
Narrow
Puncture-like

They extend into deeper layers of the skin and often appear as small holes.

These scars can be among the most challenging to treat because of their depth.

Boxcar Scars

Boxcar scars are:

Wider
More defined
Sharp-edged

They often resemble small craters and are commonly found on the cheeks and temples.

Rolling Scars

Rolling scars create:

Undulating skin texture
Wave-like depressions
Uneven skin surface

These scars are frequently caused by fibrous bands pulling the skin downward.

Hypertrophic and Raised Scars

Not all acne scars are depressed.

Some individuals develop raised scars caused by excessive collagen production during healing.

These scars may appear:

Firm
Thickened
Elevated above surrounding skin

Mixed Scar Patterns

Many patients have a combination of scar types rather than a single category.

For example:

Ice pick scars
Rolling scars
Boxcar scars

may all occur simultaneously.

This is one reason why personalised treatment planning is often important.

The MAEC Approach

At MAEC, acne scar assessments focus on identifying:

Scar type
Scar depth
Skin quality
Individual treatment goals

Because different scars respond differently to treatment, accurate assessment helps guide more effective treatment planning.

Conclusion

Acne scars are not all the same.

Ice pick, boxcar, rolling, and raised scars each affect the skin differently and may require different treatment approaches.

Understanding the scar type present is often the first step toward creating a personalised treatment plan.

A Thought to Consider

Many people focus on the appearance of acne scars, but understanding how and why they formed often provides the clearest path toward meaningful improvement.

Sources

American Academy of Dermatology
DermNet NZ
Journal of Clinical and Aesthetic Dermatology
Dermatologic Surgery
Mayo Clinic