Ice Pick Scars vs Boxcar Scars vs Rolling Scars

Author : Nazma Khatoon | Published On : 09 Jun 2026

Acne can leave behind more than just temporary marks. For many people, the real concern begins after the breakouts settle—when scars become a lasting reminder on the skin. These are known as atrophic (depressed) acne scars, and they form when the skin is unable to repair lost collagen properly after inflammation.

The three most common types are ice pick scars, boxcar scars, and rolling scars. Each one looks and behaves differently, which is why their treatment approach also varies. In fact, most people don’t have just one type—they usually have a mix of all three.

What Are Atrophic Acne Scars?

Atrophic acne scars are indentations or depressions in the skin caused by tissue loss during acne healing. When inflammation goes deep, it damages collagen and fat beneath the skin, and the body is unable to fully rebuild that structure.

Unlike pigmentation (dark spots), these scars involve actual changes in skin texture and structure, which is why they don’t fade on their own.

In simple terms:

The skin loses support from below
Collagen doesn’t rebuild properly
Small “dents” or “pits” are left behind

Main Types of Acne Scars (Quick Overview)

Scar Type	How It Looks	Depth	Main Cause	Common Treatment
Ice Pick Scars	Tiny, deep holes	Very deep	Severe acne inflammation	TCA CROSS, punch excision
Boxcar Scars	Round or oval craters	Medium to deep	Tissue loss after acne	Laser, microneedling RF
Rolling Scars	Wavy uneven skin	Shallow but wide	Skin tethering below surface	Subcision, RF microneedling

Ice Pick Scars

What they look like

Ice pick scars are small but extremely deep. They look like someone has gently poked the skin with a sharp object, leaving behind narrow pits.

Why they happen

These scars usually form after deep, inflamed acne lesions damage the skin far beneath the surface.

Key characteristics

Very narrow but deep
Looks like open pores or puncture marks
Hardest acne scars to treat

Treatment options

TCA CROSS technique
Punch excision
Fractional CO2 laser

Because of how deep they go, ice pick scars often need targeted procedures rather than surface treatments.

Boxcar Scars

What they look like

Boxcar scars are more noticeable at a glance. They appear as round or oval-shaped dents with clearly defined edges, almost like small craters.

Why they happen

They develop when inflammation destroys collagen in a more localized area, similar to what can also happen after chickenpox.

Key characteristics

Wider than ice pick scars
Sharp, well-defined edges
Can be shallow or deep

Treatment options

Fractional CO2 or Er:YAG laser
Microneedling with RF
Dermal fillers
Subcision (for deeper scars)

Boxcar scars often respond well when treated early with the right combination approach.

Rolling Scars

What they look like

Rolling scars don’t form sharp pits. Instead, they create a wave-like, uneven texture that makes the skin look slightly bumpy or “rolling.”

Why they happen

These scars are caused by tight bands of fibrous tissue underneath the skin, which pull the surface downward.

Key characteristics

Wavy or uneven skin texture
No sharp edges
Often spread over larger areas

Treatment options

Subcision (most important step)
RF microneedling
Fractional laser resurfacing

Since the issue lies beneath the skin, treating rolling scars usually requires releasing those deeper fibrous bands first.

Key Differences Between Ice Pick, Boxcar & Rolling Scars

Understanding the differences helps in choosing the right treatment.

Shape

Ice pick: tiny, deep holes
Boxcar: round or oval craters
Rolling: uneven wave-like texture

Depth

Ice pick: deepest
Boxcar: medium to deep
Rolling: shallow but widespread

Cause

Ice pick: deep inflammation damage
Boxcar: localized tissue loss
Rolling: skin tethering below surface

Treatment difficulty

Ice pick: most difficult
Rolling: moderate
Boxcar: relatively more responsive

Why Knowing Your Scar Type Matters

Treating acne scars isn’t one-size-fits-all. What works for one type may not work for another.

For example:

Lasers alone may not fix rolling scars
Subcision won’t help ice pick scars much
Boxcar scars often need a combination of treatments

This is why proper diagnosis makes a big difference in results.

Best Treatment Options for Acne Scars

Most dermatologists use a combination approach for better improvement:

Surface-level treatments

Laser resurfacing
Chemical peels

Collagen boosting treatments

Microneedling
RF microneedling
Fractional lasers

Deep correction procedures

Subcision
Dermal fillers
TCA CROSS

Targeted scar repair

Punch excision for ice pick scars

A combination of techniques usually gives the most natural-looking improvement.

Which Acne Scar Is the Hardest to Treat?

Ice pick scars are generally the toughest because they go so deep and narrow. Rolling scars need multiple sessions but respond well when treated correctly. Boxcar scars often show the best improvement with lasers and resurfacing treatments.

Can Acne Scars Be Fully Removed?

Completely removing acne scars is usually not realistic. However, modern dermatology can significantly improve their appearance—often by 70–90%, depending on the skin type and treatment plan.

The goal is not perfection but smoother, more even-looking skin.

How to Prevent Acne Scars

Preventing scars is always easier than treating them later. A few simple habits can help:

Treat acne early before it becomes severe
Avoid squeezing or picking pimples
Use sunscreen regularly
Seek medical treatment for cystic acne

Expert Dermatology Care for Acne Scars

Treating acne scars effectively requires experience, precision, and the right combination of procedures.

Dr. Hera’s Skin & Hair Clinic is a trusted destination for advanced skin treatments, offering personalized care for acne scars and other skin concerns.

Dr. Hera Tabassum is one of the leading Dermatologist, Dermatosurgeon and Cosmetologist in Roorkee. She completed her MBBS and MD in Dermatology from the prestigious JNMCH, AMU (Aligarh). She has also cleared the MRCP-SCE in Dermatology from the Royal College of Physicians (London) and completed advanced training in dermatosurgery, aesthetics, and lasers through IADVL observership programmes.

Her clinic is widely known among patients looking for the:

At Dr. Hera’s Skin & Hair Clinic, treatment plans are customized based on scar type, skin condition, and expected results, ensuring a safe and effective approach.

FAQs

1. What are the main types of acne scars?

Ice pick, boxcar, and rolling scars.

2. Which acne scar is hardest to treat?

Ice pick scars are the most difficult due to their depth.

3. Do rolling scars go away?

They can improve significantly with subcision and RF microneedling.

4. Which treatment works best for boxcar scars?

Laser resurfacing and microneedling RF work very well.

5. Can acne scars disappear naturally?

No, atrophic scars do not fully heal without treatment.

Conclusion

Ice pick, boxcar, and rolling scars may all fall under acne scarring, but each behaves differently and needs a tailored treatment approach. Once you understand the type of scar you have, it becomes much easier to choose the right solution.

With modern dermatology, significant improvement is absolutely possible, helping the skin look smoother, healthier, and more even over time.