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The Relationship Between Skin Conditions and Collagen, Explained by a Dermatology Specialist at Yeongdeungpo Station (JTBC다큐플러스Q)

계피부과의원 · 계피부과 Since1961 · May 30, 2026

Some people feel that their skin has become more sensitive than it used to be. ​ ​ Marks that used to fade quickly may now remain for a long time, and many people also feel that th...

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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: 계피부과의원

Original post date: May 30, 2026

Translated at: August 17, 2026 at 3:41 PM

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

Some people feel that their skin has become more sensitive than it used to be.

Marks that used to fade quickly may now remain for a long time, and many people also feel that their skin becomes dry more easily these days.

In particular, when itching or breakouts begin to recur along with changes such as feeling that the skin has become thinner than usual or that its elasticity has decreased, some people worry that their overall skin health may have weakened.

Many people associate collagen with skin elasticity, but in reality, it may also play an important role in maintaining the skin’s structure and protecting it from external irritation.

Therefore, when it comes to skin conditions, it is important to examine the internal skin environment rather than focusing only on the symptoms visible on the surface.

Today, I will explain the relationship between skin conditions and collagen, as well as the areas that should be managed together to maintain healthy skin.

The Relationship Between Skin Conditions and Collagen, Explained by a Dermatology Specialist at Yeongdeungpo Station (JTBC다큐플러스Q) image 1

What Role Does Collagen Play in the Skin?

Collagen is one of the important components that make up the dermal layer of the skin.

It helps support the skin’s structure and may also affect the maintenance of skin elasticity.

However, collagen is not simply related to skin elasticity.

It also affects the skin’s ability to protect itself from external irritation and retain moisture.

The issue, however, is that collagen production may gradually decrease with age.

Lifestyle factors such as ultraviolet exposure, stress, and lack of sleep may also contribute to collagen reduction.

As these changes in the internal skin environment continue, the skin barrier may also weaken, potentially leading to skin that reacts easily to external irritation.

The Relationship Between Skin Conditions and Collagen, Explained by a Dermatology Specialist at Yeongdeungpo Station (JTBC다큐플러스Q) image 2

The Relationship Between Skin Conditions and the Skin Barrier

The skin barrier protects the skin from external irritation.

However, when the skin barrier becomes weakened, the skin may become sensitive even to minor irritation.

In particular, conditions related to the skin barrier, such as atopic dermatitis, often involve recurring itching and dryness.

Seborrheic dermatitis may also be affected by inflammatory responses within the skin and changes in the sebum environment, with redness and flaking recurring in some cases.

Acne, too, often involves recurring inflammatory responses along with changes in the skin environment.

Therefore, rather than managing only the symptoms visible on the surface, it is important to examine the overall condition of the skin as well when dealing with skin conditions.

The Relationship Between Skin Conditions and Collagen, Explained by a Dermatology Specialist at Yeongdeungpo Station (JTBC다큐플러스Q) image 3

Areas to Manage Together for Healthy Skin

To maintain healthy skin, it is also important to adopt lifestyle habits that reduce skin irritation.

First, washing the face too harshly or using highly irritating products may further weaken the skin barrier.

Ultraviolet exposure may also contribute to collagen reduction, so regular sun protection is important as well.

In addition, recurring lack of sleep or stress can easily destabilize the condition of the skin.

For this reason, skin care should involve not only managing the surface of the skin but also examining lifestyle habits as a whole.

Especially when skin conditions recur, rather than managing them alone, it may be helpful to have the current condition of the skin examined carefully and then establish an appropriate treatment and care plan.

The Relationship Between Skin Conditions and Collagen, Explained by a Dermatology Specialist at Yeongdeungpo Station (JTBC다큐플러스Q) image 4

The skin is not simply a surface that can be seen; it is an organ that is also affected by changes in the internal skin environment.

In particular, collagen and the skin barrier may play important roles in maintaining healthy skin.

If skin conditions keep recurring or your skin has become easily sensitive, it is necessary to examine its current condition carefully rather than viewing it as merely a simple skin problem.

Skin care is also not something that ends in a short period of time; it is important to continue it consistently alongside healthy lifestyle habits.

If you are concerned about changes in your skin, please have your current skin condition examined and establish an appropriate care plan.

I hope the information shared today about the relationship between skin conditions and collagen has been helpful to you.

Thank you.

| This post was written for informational purposes in compliance with Articles 56(1) through 56(15) of the Medical Service Act. All treatments carry the risk of side effects and complications, which may vary from person to person. Before undergoing treatment, please make your decision only after having a sufficient consultation with a medical professional with extensive experience. |

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