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What Is Oily Skin? It’s Not Just Oily Because It Produces a Lot of Oil!

Forena Clinic (Hongdae Branch) · 포레나의원 · August 12, 2025

"What Is Oily Skin? It’s Not Just Oily Because It Produces a Lot of Oil!" Today, following the previous skin concerns post, I’ve prepared a story about oily skin! I’ll be sharing v...

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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: Forena Clinic (Hongdae Branch)

Original post date: August 12, 2025

Translated at: April 20, 2026 at 3:24 PM

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

"What Is Oily Skin? It’s Not Just Oily Because It Produces a Lot of Oil!"

What Is Oily Skin? It’s Not Just Oily Because It Produces a Lot of Oil! image 1

Today, following the previous skin concerns post,

I’ve prepared a story about oily skin!

I’ll be sharing various information, so please take the parts you need!

What Is Oily Skin? It’s Not Just Oily Because It Produces a Lot of Oil! image 2

What is oily skin?

What Is Oily Skin? It’s Not Just Oily Because It Produces a Lot of Oil! image 3

What is oily skin?

Oily skin refers to a skin type in which the sebaceous glands produce excess sebum.

When sebum increases, the skin surface becomes shiny, pores become enlarged, and skin troubles such as acne and pimples can occur easily.

With consistent care, oily skin can maintain a clean and healthy appearance.

Skin care may feel easier than with other skin types, but in fact, any skin type can develop problems!

What Is Oily Skin? It’s Not Just Oily Because It Produces a Lot of Oil! image 4

These are the characteristics!

Shine: Especially in the T-zone (forehead, nose, and chin), there is a lot of oil, so it always looks shiny.

Large pores: Excess sebum enlarges the pores, making the skin look like orange peel.

Skin troubles: Sebum and dead skin cells clump together and block pores, causing blackheads, whiteheads, and acne to appear frequently.

Thick skin: Compared with other skin types, the skin texture is relatively thicker and more resilient.

Makeup longevity: Makeup tends to come off easily or break down.

What Is Oily Skin? It’s Not Just Oily Because It Produces a Lot of Oil! image 5

Main causes of oily skin

Genetic factors: The greatest influence comes from the genes inherited from your parents.

Hormonal changes: Sebum production can become more active due to hormonal changes such as puberty, the menstrual cycle, or pregnancy.

Stress: The stress hormone cortisol stimulates the sebaceous glands and increases sebum production.

Diet: Greasy foods and sugary foods can promote sebum production.

Improper skin care: Washing your face too often or using products that are too oily can make the skin feel dry, which may lead it to produce even more sebum.

It is necessary to accurately identify the type of dark circles in order to choose effective treatment or care methods suited to them. Self-diagnosis can help, but for an accurate diagnosis, it is best to consult a specialist.

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Basic improvement methods

Washing your face too often can dry out the skin and cause even more sebum to be produced.

Use a mildly acidic cleanser to gently remove impurities while protecting the skin barrier.

Exfoliating can help prevent pores from becoming clogged.

Even if you have oily skin, you should not neglect moisturizing. If the skin lacks moisture, it produces more sebum to protect itself.

Before going out, it is a good idea to apply a lightweight sunscreen with low oil content.

When choosing cosmetics or skin care products, it is important to use products that are good for oily skin!

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Can procedures help solve it too? It depends on each person, including the cause and skin type! It varies depending on the individual’s skin condition, but representative procedures include the following.

Aquapeel: A procedure that dissolves and removes sebum, blackheads, and impurities deep within the pores, while gently refining dead skin cells. It can help regulate sebum and improve skin texture and tone.

Fraxel laser: A procedure that applies microscopic laser beams to the skin to create tiny wounds, and induces collagen production through the skin’s regeneration process. It helps reduce enlarged pores, improve acne scars, and refine skin texture!

Skin Botox (Dermotoxin): Botox is injected into the epidermis and dermis to reduce sebum production, and it helps reduce pore size by contracting the muscles surrounding the pores.

Rejuran Healer (PN injection): PN (polynucleotide) extracted from salmon is directly injected into the skin to regenerate damaged skin cells, and help balance oil and moisture, reducing sebum production and improving pore size and elasticity!

There is only limited information available through self-diagnosis, so if you have concerns, please visit a nearby dermatology clinic and ask.

Today, we briefly looked into oily skin!

In the case of skin type, you should not judge it based only on writing, and you cannot know it just from text!

Please be sure to consult a specialist, find out what skin type you have, and then start caring for it! I hope you have a good day today as well!

Then, this is it from Hongdae Forena Clinic!

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✅This post was written directly by Forena Clinic for the purpose of providing medical information in compliance with Article 56, Paragraph 1 of the Medical Advertising Act.

✅Since the patient’s skin condition and the clinician’s experience can vary greatly, please make your decision after sufficient consultation with a doctor.

✅The treatment photos in this post were taken with the consent of the patients. The before-and-after photos have not been manipulated and were taken under the same conditions.

✅Please use this post for reference only. For detailed information, we recommend visiting the medical institution directly for consultation and treatment.

✅All procedures performed after visiting the clinic may cause minor or major side effects depending on the individual. Please consult with a medical professional and fully understand the side effects and precautions before proceeding.

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