Marks remaining after acne

Acne Marks

Related terms · Red marks · Brown marks · Acne traces

Acne marks primarily refer to flat red or brown traces left where acne has subsided. These are different from scars where the skin is indented or raised.

Reviewed by Korean Medicine Doctor Choi Yeon-seung · Last updated 2026-08-26

Overview

Acne marks: check these three things first

  • Acne marks primarily refer to flat traces that remain red or brown where acne has subsided. They are different from scars where the skin is pitted or raised.
  • If only the color appears to change depending on the light and the surface height is the same, it is likely a mark. If pitting or irregularities are visible under side-lighting, atrophic scars must also be examined.
  • Please take photos from the front and side under the same lighting, and record separately how much new acne and existing marks increase or fade.

Meaning and Distinction

What are acne marks?

Red marks are those where vascular changes remain Post-inflammatory erythema, while brown marks are often closer to post-inflammatory hyperpigmentation where pigment has increased. Both can be mixed on a single face. Acne marks primarily refer to flat traces that remain red or brown where acne has subsided. They are different from scars where the skin is pitted or raised.

Easily confused terms
If only the color appears to change depending on the light and the surface height is the same, it is likely a mark. If pitting or irregularities are visible under side-lighting, atrophic scars must also be examined.
Why this is checked during medical evaluation
The treatment order is determined by dividing whether new acne continues to appear, the color and duration of the marks, and whether actual pitting exists. If there is a lot of new inflammation, rather than treating the marks, Recurrencereducing the inflammation may come first.
Information to prepare for your visit
Please take photos from the front and side under the same lighting, and record separately how much new acne and existing marks increase or fade.

More details

Connecting acne marks to my symptoms

First, distinguish between red marks, brown marks, and pitted scars

Flat marks where only color remains and scars where the skin level has changed require different treatment methods and time. Taking photos of the front and side under the same lighting helps in distinguishing them.

If new acne continues to appear, prioritize reducing recurrence over treating marks

Even while receiving treatment for marks, new deep inflammation can increase the number of traces. The order of treatment is determined by separating current inflammation, new marks, and old scars.

Frequently Asked Questions

Common questions when looking into acne marks

Is a diagnosis determined solely by the term 'acne marks'?

If only the color appears to change depending on the light and the surface height is the same, it is likely a mark. If pitting or irregularities are visible under side-lighting, atrophic scars must also be examined.

What should I write down before my medical evaluation regarding acne marks?

The treatment order is determined by dividing whether new acne continues to appear, the color and duration of the marks, and whether actual pitting exists. If there is a lot of new inflammation, reducing recurrence may come before treating the marks. Please take photos from the front and side under the same lighting, and record separately how much new acne and existing marks increase or fade.

Acne Glossary

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You can check simple definitions before proceeding to detailed explanations.

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Check guides where this term is used

Evidence and Update Information

The following materials were referenced to verify the basis and scope of the definitions and treatment descriptions.

  1. American Academy of Dermatology: Acne scars
Summary and review information for this page

Reviewing Medical Staff

Choi Yeon-seung, Doctor of Korean MedicineChief Director · Editor of Korean Medicine Atlas · BRC Researcher

Page Summary

Acne marks primarily refer to flat red or brown traces left where acne has subsided. These are different from scars where the skin is indented or raised.

What this page covers

What is explained
What should be checked first regarding the meaning of acne marks?
What situations are covered
Red marks are often closer to post-inflammatory erythema where vascular changes remain, and brown marks are often closer to post-inflammatory hyperpigmentation where pigment has increased.
What distinctions are made
Difference from similar terms: If only the color appears different depending on the light and the surface height is the same, it is closer to a mark. If indentations or irregularities are visible under side-lighting, atrophic scars must also be examined.
How should this be understood
This is different from scars where the skin is indented or raised.

Key Points

  • Meaning of acne marks: Red marks are often post-inflammatory erythema, where vascular changes remain, and brown marks are often post-inflammatory hyperpigmentation, where pigmentation has increased. Both can be mixed on a single face.
  • Difference from similar terms: If only the color appears different depending on the light and the surface height is the same, it is closer to a mark. If indentations or irregularities are visible under side-lighting, atrophic scars must also be examined.
  • Reason for confirmation during medical evaluation: The treatment order is determined by distinguishing whether new acne continues to form, the color and duration of the marks, and whether actual indentations exist. If there is a high amount of new inflammation, reducing recurrence may take priority over treating the marks.

References cited on this page

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