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How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology?

라온피부과의원 · 라온피부과|성동구 왕십리역 피부과 · September 2, 2025

Representative Pigment Disorders Hello, this is Dapsimni Raon Dermatology!  Various pigmentation problems that appear on the face do more than simply darken the skin tone; they ca...

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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: September 2, 2025

Translated at: April 20, 2026 at 2:51 PM

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

Representative Pigment Disorders

Hello, this is Dapsimni Raon Dermatology!



Various pigmentation problems that appear on the face do more than simply darken the skin tone; they can make the overall impression look tired and even make a person appear older. That is why pigment treatment is not just a matter of cosmetics, but an important form of care directly connected to regaining confidence and improving quality of life. Today, we will introduce representative pigment disorders, the laser devices used to treat them, and why combination treatment is effective :)

How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology? image 1

Representative Pigment Disorders

Various Pigment Disorders

Pigment disorders are commonly classified as melasma, lentigines, freckles, and nevus of Ota. Melasma appears mainly as brown patches symmetrically on the forehead and cheeks, and it tends to worsen with sun exposure or hormonal changes. Lentigines are small brown spots that appear on the face, neck, and the backs of the hands, and are closely related to sun exposure and skin aging.

Freckles are strongly influenced by genetic factors, often appearing from childhood and becoming darker when exposed to sunlight. Nevus of Ota has melanin located deep in the dermis, so it appears bluish or blue-gray, and it often appears on one cheek or around the eyes! As such, pigment disorders differ in both cause and depth, so the treatment approach must also differ.

<Various Pigment Disorders>

  • Melasma: worsens with ultraviolet rays / hormones

  • Lentigines: gradually darken due to ultraviolet rays / aging

  • Freckles: uneven skin tone / nevus of Ota: bluish / blue-gray spots

How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology? image 2

Various Pigment Disorders

Lumenis M22 IPL

To treat all of these different types of pigmentation, a variety of laser devices are needed. First, the Lumenis M22 IPL is a device frequently used in pigment treatment. It offers a range of wavelengths from 515 nm to 715 nm, and six cutoff filters can be used selectively, allowing customized treatment depending on the skin condition! It is especially effective for pigment located in superficial layers, and has the advantage of improving freckles, spots, lentigines, and even vascular lesions at the same time.

In addition, IPL stimulates collagen regeneration along with improving skin tone, so after treatment the skin can look brighter and smoother. The relatively short procedure time and quick return to daily life are also reasons why many patients prefer it. In particular, it can treat a wide area evenly, making it suitable for overall facial tone improvement :)

<Lumenis M22 IPL Features>

  • Effective for epidermal pigment / vascular lesions

  • Various wavelength combinations / customized treatment

  • Uniform improvement in skin tone

How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology? image 3

Lumenis M22 IPL

Helios 785

Helios 785 is a device that treats pigmentation using three wavelengths. Nanosecond 1,064 nm targets pigment located deep in the dermis, 532 nm targets superficial pigment closer to the epidermis, and picosecond 785 nm can precisely target even refractory pigment. Thanks to this, it is effective for deep pigmentation such as nevus of Ota or dermal melanin.

By using a short pulse width, it minimizes damage to the surrounding skin and selectively destroys only the pigment. As a result, recovery after treatment is quick, and it can be used safely on various skin types! Another major advantage is that by combining multiple wavelengths, it can improve pigment at different depths in a single session.

How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology? image 4

Helios 785

N-Pulse CO2

N-Pulse CO2 is a device that improves pigmentation by delivering energy at a wavelength of 10,600 nm to the skin. It is effective for treating spots on the epidermis and widely distributed pigmented lesions, and its fine laser beam directly destroys pigment cells to help them gradually fade. In particular, it can be considered very effective when treating dermal pigmentation located on the skin surface.

It works by selectively destroying pigment lesions while minimizing damage to surrounding tissue, making it highly safe. In addition, new skin regeneration occurs in the area exposed to the laser, so an overall brightening of skin tone can also be expected after pigment treatment. While it can help improve spots and uneven skin tone as a standalone procedure, combining it with other pigment-specific devices can address both depth and width for more definite results :)

<N-Pulse CO2 Features>

  • Specialized in removing epidermal pigmentation

  • Fine laser / selective destruction of pigment cells

  • Minimizes damage to surrounding tissue / high safety

How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology? image 5

N-Pulse CO2

Why Combination Treatment?

As mentioned, pigment treatment is difficult to solve all problems with a single device. Some pigmentation, like melasma, is located in deeper layers of the skin, while others, like freckles and spots, are distributed only in superficial layers. Because the location and depth of pigmentation vary, treatment is more effective and stable when several devices are appropriately combined rather than relying on just one method.

For example, IPL is strong for surface pigmentation, Helios is strong for deep dermal melanin pigment, and N-Pulse CO2 is strong for widely distributed epidermal pigmentation. When lasers based on different principles are used together, skin tone can become more evenly bright, and the risk of recurrence can also be reduced. Ultimately, a combination approach tailored to each person's skin condition is the most efficient for pigment treatment, and it is important to establish a customized plan after thorough consultation with a specialist.

How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology? image 6

Why Combination Treatment?

Various Pigment Concerns, Customized Combination Treatment

How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology? image 7

Convenient location near Wangsimni Five-Way Intersection

  • Wangsimni Station Exit 9 in Haengdang-dong, Seongdong-gu -

👉 Direct access to 4 subway lines

Line 2 (Sindang, Sangwangsimni, Seongsu)

Line 5 (Singeumho, Haengdang, Majang, Dapsimni)

Gyeongui–Jungang Line (Oksu, Eungbong, Cheongnyangni)

Suin–Bundang Line (Seoul Forest)

How Is Pigment Treatment for Melasma, Lentigines, and Freckles Carried Out at Dapsimni Station Dermatology? image 8

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