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Pigment lasers in Daegu: selective photothermolysis, wavelength and skin response

Editorial team: Doctor Designer DaeguUpdated: 2026-10-01
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Summary This is a method to understand pigment lasers by distinguishing between the basic concept of selective photothermolysis and wavelength, pulse, and skin response.

Key information

Selective photothermolysis uses a target's light absorption and the duration of energy delivery. Wavelength alone does not establish equal efficacy for every pigment disorder; diagnosis and the surrounding skin also matter.

Before your consultation

  • Light-absorbing targets
  • Wavelength versus pulse duration
  • Considering the surrounding skin

General information, not a personal diagnosis or treatment plan. Suitability, risks and recovery require an individual consultation.

Light-absorbing targets

In lasers, a target refers to a material that absorbs light and can be of different types, such as pigments or blood components. Even for dark areas of the same skin, plans may vary if the cause and location are different. The first step is to determine which lesion is being treated rather than just making a diagnosis based on visible color.

Sources and evidence: Research on the principle of selective photothermolysis (1983, PMID 6836297) · American Dermatology Clinic Association: Diagnosis and treatment of melasma

Wavelength versus pulse duration

Wavelength relates to the properties of light, and pulse time relates to the time at which energy is transferred. Just because a device has the word pico in its name does not mean that all wavelengths are the same or that it is suitable for all pigments. Optomechanical effects are also important in picosecond devices, and basic photothermal principles are not simplified into a description of the entire device.

Sources and evidence: Research on the principle of selective photothermolysis (1983, PMID 6836297) · Cynosure: PicoSure Pro Official Product Guide

Considering the surrounding skin

Normal skin around the target pigment also has melanin, so skin tone and recent sun exposure should be checked. The same conditions do not apply to all skin types. Color changes and stimulation responses before and after treatment should be observed, and the interpretation that stronger irradiation always produces better results should be avoided.

Melasma versus other pigmented lesions

Melasma is difficult to explain by simply erasing it once and ending. We look at causes and recurrence factors, as well as the role of routine care and other treatments. Regardless of whether you choose a laser, it is important to determine the role the procedure will play in the overall plan and its expected limitations.

Sources and evidence: American Dermatology Clinic Association: Diagnosis and treatment of melasma

Interpreting color after laser treatment

The final removal rate is not calculated solely based on the appearance of redness or darkening of the skin immediately after treatment. The stage of recovery and expected range will be explained to you, and photos will be taken in the same condition. Severe pain, blisters, or reactions that continue to worsen should be reported to your provider without waiting until the next scheduled procedure.

Comparing pigment-laser plans in Dongseong-ro

When comparing pigment lasers at Daegu Dongseong-ro, check the diagnosis, target pigment, and recovery plan first rather than the name of the equipment. When comparing official menu prices in Daegu city, it is a good idea to match the actual treatment area and concurrent treatment and receive explanations on how to determine the next treatment based on the reaction.

Sources and evidence: Doctor Designer Daegu procedure list

FAQ

What does target mean in dye lasers?

In lasers, a target refers to a material that absorbs light and can be of different types, such as pigments or blood components. Even for dark areas of the same skin, plans may vary if the cause and location are different. The first step is to determine which lesion is being treated rather than just making a diagnosis based on visible color.

Does normal skin tone affect my choice of pigment laser?

Normal skin around the target pigment also has melanin, so skin tone and recent sun exposure should be checked. The same conditions do not apply to all skin types. Color changes and stimulation responses before and after treatment should be observed, and the interpretation that stronger irradiation always produces better results should be avoided.

Can I judge the effect by the color change immediately after the laser?

The final removal rate is not calculated solely based on the appearance of redness or darkening of the skin immediately after treatment. The stage of recovery and expected range will be explained to you, and photos will be taken in the same condition. Severe pain, blisters, or reactions that continue to worsen should be reported to your provider without waiting until the next scheduled procedure.

Sources and evidence

Sources checked: 2026-10-01

Translated from our Korean educational content using machine-assisted translation and terminology checks. This is not a claim of independent medical review. Study limitations and source links are retained; please ask the clinic about anything unclear.

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