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Column · Acne & Scars ·

Acne Scars vs. Acne Marks: The Real Difference, Explained

📌 Today's takeaways

  • Acne marks are a color issue; acne scars are a texture issue, where the skin is actually indented

  • Marks can fade over time, but scars don't fill themselves in

  • Lightly feeling your skin with your fingers can give you a fair idea of whether it's a mark or a scar

  • The longer scars are left alone, the firmer they can become

Hello, this is Datena Clinic.

"My acne has completely calmed down, so why won't the marks go away?"

We hear this question all the time during consultations.

Many people also ask, "Is this just a mark, or is it a scar?"

This article isn't meant to recommend any particular treatment.

We put it together to help you tell marks and scars apart on your own, and to figure out what your skin actually needs right now.

1. Acne Marks vs. Acne Scars: What's the Difference?

Side-by-side cross-section illustration comparing an acne mark that leaves only discoloration on smooth skin with an acne scar where the surface is indented
Acne Marks vs. Acne Scars: What's the Difference?

The traces acne leaves behind after it settles generally fall into two categories.

One is a mark, where only discoloration remains; the other is a scar, where the skin surface is indented or raised.

Marks often fade as time passes.

Scars, however, mean the skin's texture itself has changed, so they rarely recover on their own.

If you treat the two as the same problem, you may not get the results you were hoping for.

2. Why Do Pigmented Marks Form, and How Do They Fade?

Illustration of red and brown marks in a skin cross-section, explaining the pigmented acne marks left behind after inflammation
Why Do Pigmented Acne Marks Form, and How Do They Fade?

Acne marks are red or brown traces left behind when pigment builds up where inflammation used to be.

In many cases, the skin surface itself stays smooth.

They also tend to fade naturally over time.

However, sun exposure or repeatedly touching and irritating inflamed spots can make the pigment linger longer.

In these cases, care that helps improve pigmentation can be enough to expect a real improvement.

3. Why Don't Atrophic Scars Go Away on Their Own?

Illustration comparing types of atrophic acne scars: wide, gently sloping depressions; angular depressions; and narrow, deep depressions
Why Atrophic Acne Scars Struggle to Heal on Their Own

A scar forms when new tissue doesn't fully fill in an area that was badly inflamed, leaving the skin sunken or pitted.

Some scars are broad, gently sloped depressions; others have sharp, angular edges or are narrow and deep.

Scars like these don't fill in on their own over time.

In fact, the longer they're left alone, the firmer the tissue can become.

That's why, unlike marks, scars need care that works from deeper within the skin.

4. Acne Marks vs. Scars at a Glance

Table comparing acne marks and acne scars by surface condition, cause, change over time, and treatment approach
Acne marks vs. acne scars: a quick comparison

Category

Acne marks

Acne scars

Surface

Smooth

Pitted or raised

Cause

Post-inflammatory pigmentation

New tissue didn't fill in properly

Over time

Can fade

Hard to recover on their own

Approach

Pigment-focused care

Regenerative care beneath the surface

5. How to Check for Yourself in the Mirror

Three-step illustration of checking your skin in front of a mirror: angled lighting, the skin surface, and how it feels under your fingertips
A self-check: is it an acne scar or a mark?

In good light, shine a light across your skin at an angle and you can tell marks and scars apart to some degree.

If shadows appear as the light grazes across, the surface is indented.

In that case, it may be a scar.

On the other hand, if only the color is different and the surface is smooth, it's more likely a mark.

If you feel a dip or ridge when you lightly run your fingertips over it, it could be a scar.

That said, this check is only a rough guide; it's best to have your skin examined in person to know for sure.

6. Don't Leave Them Untreated!

Illustration comparing how acne marks can fade over time versus how indented scars can last for a long time
Marks can fade, but pitted scars can leave lasting tissue changes, so it's worth having them checked.

Marks can fade over time.

Scars, however, often grow firmer the longer they're left untreated.

Once a scar has hardened, recovery may take longer even after you start treatment.

Scars that are still relatively new, on the other hand, tend to respond better.

So we recommend first figuring out whether it's a mark or a scar, and if it's a scar, getting it checked early.

What we've covered today may not be enough to tell marks and scars apart perfectly.

If you're unsure, the most reliable option is a proper examination at a dermatologist or clinic near you.

Whichever clinic you choose, we suggest looking for one that first accurately determines whether you have marks or scars, then recommends an approach that fits.

I don't judge a patient's skin by its color or how deep the indentations are alone.

I also try to understand how long those marks have been weighing on you, and let that guide how I treat you.

That feeling is also the reason I'm writing this today.

Medically reviewed by: Dr. Kang Dong-hyun (Datena Clinic) · Meet our doctors: /about.html

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