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Causes of Acne and Treatment Methods for Adult Acne Scars

Limeeseok Theme Dermatology Clinic (Main Branch) · 임이석테마피부과의원 · June 22, 2021

Provider: Lee Myesuk Theme Dermatology Clinic ​ ​ Hello, this is Lee Myesuk Theme Dermatology Clinic, sharing healthy skin theory. ​ Today, we would like to share various informati...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: Limeeseok Theme Dermatology Clinic (Main Branch)

Original post date: June 22, 2021

Translated at: April 25, 2026 at 8:02 AM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

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Provider: Lee Myesuk Theme Dermatology Clinic

Hello, this is Lee Myesuk Theme Dermatology Clinic, sharing healthy skin theory.

Today, we would like to share various information for those who are stressed by adult acne.

We will introduce the main causes of acne not only on the face but also on various parts of the body, the causes of pigmentation and scarring, the problems that arise when acne is left untreated, and even some common misconceptions about acne treatment and care.

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When people think of “acne,” they usually only think of acne that appears on the face. However, acne can also occur on various parts of the body, such as the back, chest, and arms.

Acne that appears on the back or chest is caused, like acne in other areas, by excessive sebum production, clogged pores due to dead skin cells, and bacterial growth inside the pores.

If acne on areas such as the back or chest is left untreated, the skin tissue in those areas is denser than on the face, so the likelihood of inflammatory "pustular acne" is higher, and caution is needed. However, forcing it to pop may lead to pigmentation or scarring, and because of bacterial infection, the sebaceous glands that were suppurating inside the follicles may burst and the skin tissue may break away, leaving a sunken mark. Therefore, it is advisable to visit a medical institution and receive treatment.

Causes of Acne

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Types of Acne Scars

Acne scars come in several types, including the "crater type," where the skin is broadly or deeply depressed, the "erythema type," where blood vessels rupture and turn red, and the "post-inflammatory hyperpigmentation type," where pigment remains after severe inflammation. Depending on the type, they can be treated with oral medication, laser treatment, acne peeling procedures, and more. If you visit a dermatologist early and receive treatment, recovery of more than 80% is possible.

In addition, many people fail to receive proper treatment because of misconceptions about acne. Today, we will correct the commonly misunderstood points.

First, many people believe acne does not need treatment because it recurs often. However, acne is a chronic inflammatory disease that develops from various causes and has a high recurrence rate. Also, if it is not treated early, it is likely to leave permanent scars, and once skin aging begins in earnest, treatment becomes even more difficult. Therefore, when acne appears, it is important to receive professional treatment as soon as possible to reduce the recurrence rate.

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For acne-prone skin, is frequent face washing effective?

Many people also believe that frequent face washing is effective for acne-prone skin. To properly remove dead skin cells and impurities from the skin, thorough cleansing and deep cleansing or exfoliation about once a week are necessary. However, keep in mind that frequent face washing can dry out the skin, create an environment where various skin inflammations can easily develop, and increase sebum production, which may worsen acne.

In general, acne scars often result from improper acne care, so if you already have acne scars, it is important to treat them effectively through a careful approach. Not all acne scars are the same.

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Depending on their shape, acne scars are divided into different types, and if acne becomes severely suppurative, the inflammation can worsen and leave red marks or create deep pitted scars. Pitted acne scars usually appear on the forehead, between the eyebrows, the cheekbones, and both cheeks. As the inflammation gradually expands, the area of epidermal damage also becomes extensive, so the scar size can grow uncontrollably and should be treated with caution.

Methods for treating scars include premium laser treatment, medication injection therapy, and combination scar treatment. It is important to receive suitable treatment through consultation with a dermatologist according to the cause and characteristics of each individual’s scars.

At Lee Myesuk Theme Dermatology Clinic, we selectively destroy the sebaceous glands, which are the main cause of acne, or choose a laser suitable for the skin condition to treat red acne marks and pigmentation. We have a variety of premium lasers, including Silfirm X, Pladuo, Icon Green, TerraClear, and IPL laser, and we improve treatment effectiveness by combining them with medical skin care that helps restore skin damaged by acne.

Please receive a precise diagnosis at Lee Myesuk Theme Dermatology Clinic, establish the correct treatment plan suited to your condition, and proceed with care to improve acne-prone skin.

Lasers used to improve acne scars

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Lee Myesuk Theme Dermatology Clinic, acne treatment laser procedure video

https://www.youtube.com/watch?v=1Up1XpkRcvM

https://www.youtube.com/watch?v=zSaRaHY8WmE

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