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Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera]

라온피부과의원 · 라온피부과|성동구 왕십리역 피부과 · February 28, 2026

Concerns under the eyes can be addressed like this! Hello, this is Raon Dermatology in Seongdong-gu! Among the factors that determine a first impression, the eyes account for a ver...

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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: 라온피부과의원

Original post date: February 28, 2026

Translated at: April 20, 2026 at 3:47 AM

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

Concerns under the eyes can be addressed like this!

Hello, this is Raon Dermatology in Seongdong-gu!

Among the factors that determine a first impression, the eyes account for a very large share. That is because they are where a person’s gaze stays the longest during conversation! However, the skin around the eyes is one of the thinnest and most sensitive areas of the body, so signs of aging tend to appear especially quickly. If the area under the eyes looks dark or hollow, it can make you look older and more tired than you really are, which is why many people worry about it. It is necessary to analyze the cause of these changes and establish the right care approach for each situation.

Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera] image 1

Concerns under the eyes can be addressed like this!

  1. Under-eye hollows

If people around you often ask whether you did not sleep well even though you do not feel especially tired, it may be worth checking for under-eye hollows. This refers to a change in which the boundary between the under-eye area and the upper cheek is no longer smooth and instead becomes sunken and recessed! This happens as aging progresses and the subcutaneous fat under the eyes gradually diminishes or shifts downward. In particular, when the tear trough ligament exerts a strong pulling force on the skin tissue, the depth of the hollow becomes more noticeable and creates a dark shadow.

This is not simply a surface skin issue, but rather a result of changes in the internal tissue that can make the face look dull and fatigued! In situations where the hollowed area is clearly visible, directly restoring the lost volume can be a solution. Care that fills the space with filler or introduces substances that stimulate collagen production to create a natural sense of volume is commonly used. By smoothing the boundary line in this way, you can expect a more lively and softer eye area :)

Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera] image 2

  1. Under-eye hollows

With Rejuner!

Recently, there has been growing interest in Rejuner, a method that directly replenishes the components inside the skin rather than creating artificial volume. Rejuner uses highly purified, sterilized collagen as its main ingredient and is a product that provides practical support to the under-eye tissue damaged by aging! It shows stable clinical results in that it replenishes the skin’s structural components directly while reducing reactions to external substances. Even in thin-skinned areas such as around the eyes, it spreads evenly without clumping and has the characteristic of forming a firm support structure!

Generally, repeated treatment is recommended about 3 to 5 times at intervals of 2 to 4 weeks. Rather than ending with just one procedure, gradually increasing collagen density over a certain period is much more advantageous in terms of duration and results! If Rejuner is used to improve both fine under-eye wrinkles and decreased density at the same time, you can also expect the overall skin texture to become smoother. It can be an excellent alternative for those who want natural-looking firmness without an artificial appearance :)

<Under-eye Rejuner>

  • Made of highly purified collagen

  • Strengthens skin density and support structure

  • Improves under-eye wrinkles and volume

  • 3 to 5 sessions recommended at 2 to 4 week intervals

Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera] image 3

With Rejuner!

  1. Under-eye fat

Unlike hollows, many people are bothered by under-eye puffiness that bulges outward. This phenomenon, commonly called under-eye fat, occurs when the fat that protects the eyeball is pushed outward as the force of the orbital septum supporting it weakens! When skin with reduced elasticity sags downward due to gravity, the protruding fat becomes even more noticeable. These changes create uneven contours under the eyes and make dark circles appear even darker.

If the fat protrudes excessively, the face may look stubborn or irritable, which can also lead to psychological self-consciousness. In the early stages, people often try to solve it with cosmetics or massage, but there are clear limits to pushing physically displaced fat back into place! Therefore, before the degree of protrusion becomes severe, it is important to consider procedures that tighten lax tissue or improve the structural issue. Although surgical methods that reposition the fat exist, non-incisional laser care has recently become the preferred trend.

Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera] image 4

  1. Under-eye fat

With Eye Ulthera!

When surgical methods feel burdensome, Eye Ulthera, which uses high-intensity focused ultrasound, becomes an effective option. Ulthera works by delivering energy deep into the skin to contract sagging tissue! In particular, using the eye-specific eye tip allows precise energy delivery even to narrow and sensitive areas. When the ultrasound energy reaches the orbital septum layer and tightens the loosened wall again, it can induce the outwardly pushed fat tissue to be compressed inward.

After this contraction process, the protruding area becomes smoother and the under-eye contour is naturally softened. In general, performing it regularly about once every 6 to 12 months helps maintain the improved condition for a long time! Since it helps restore internal elasticity without damaging the skin surface, it also has the advantage of allowing a quick return to daily life. For those who have been worried that their facial impression looks dark due to bulging fat, this can be a very direct way to improve it.

<Eye Ulthera>

  • Uses a 1.5 mm tip designed for the eye area

  • Strongly contracts loosened tissue

  • Has the effect of repositioning protruding fat

Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera] image 5

With Eye Ulthera!

For synergy?

To create a more polished eye area, it is a good idea to address the structural issues under the eyes while also treating the surrounding muscles and skin texture. In this case, using skin Botox and wrinkle Botox appropriately can help achieve balanced improvement across the eye area! Skin Botox is administered into the shallow layers of the skin to shrink pores and smooth fine lines, helping enhance overall skin glow and elasticity. Since it improves the texture of the skin around the eyes itself, it creates the effect of making the overall impression look clearer.

Meanwhile, wrinkle Botox focuses on suppressing deep wrinkles that occur when making facial expressions. It works by controlling the wrinkles that form excessively on the sides or beneath the eyes when smiling, effectively reducing signs of aging! Using both methods together allows for detailed management not only of under-eye volume and protrusion, but also of expression wrinkles, resulting in very high satisfaction :) Since the causes of under-eye concerns vary depending on each person’s anatomical characteristics, we recommend establishing a treatment plan that is truly right for you through a thorough consultation with the medical staff :)

<Recommended to combine with Botox>

  • Improve the skin environment with skin Botox

  • Soften wrinkles with wrinkle Botox

  • Recommended to combine with Rejuner and Eye Ulthera

Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera] image 6

For synergy?

Wangsimni under-eye procedure

Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera] image 7

Seongdong-gu Dermatology: Is Surgery the Only Answer for Under-Eye Hollows and Bulging Fat? [Rejuran, Eye Ulthera] image 8

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