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Why Treating Myeong-dong Pico Toning with a Single Laser Is Difficult

유앤아이의원 목동점 · 김진현 원장의 피부연구소 :) · January 16, 2026

Myeong-dong pico toning with a single laser Why treatment is difficult Myeong-dong pico toning Hello. I am Kim Jin-hyeon, Chief Director of You&I Clinic Mok-dong Branch. ​ ​ “Doesn...

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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: 유앤아이의원 목동점

Original post date: January 16, 2026

Translated at: April 20, 2026 at 7:20 AM

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

Myeong-dong pico toning with a single laser

Why treatment is difficult

Myeong-dong pico toning

Hello.

I am Kim Jin-hyeon, Chief Director of You&I Clinic Mok-dong Branch.

Why Treating Myeong-dong Pico Toning with a Single Laser Is Difficult image 1

“Doesn’t pico toning make all melasma go away?”

“I thought if I kept getting treated with just one laser, it would eventually get better.”

Among those reading this article while searching for Myeong-dong pico toning, there are likely many who have had similar thoughts.

In fact, during consultations, there are many cases where people have already received laser toning several times but are looking into it again because the results were inconsistent or they did not feel the level of change they expected.

Laser toning definitely plays an important role in pigment treatment, but it is also a treatment with structural limitations when it comes to solving all skin problems with just one laser.

Today, I’ll explain calmly why that is.

Table of Contents

  • Lasers differ first in their ‘type and wavelength’

  • Why even the same laser device uses different wavelengths

  • Why the purpose changes completely when the pulse width differs even at the same wavelength

Myeong-dong pico toning

Lasers differ first in their ‘type and wavelength’

When looking into pico toning, we often get the question, “Aren’t all pico lasers the same?”

But in reality, laser devices themselves are very diverse, and the wavelengths used within them are also different from one another.

Why Treating Myeong-dong Pico Toning with a Single Laser Is Difficult image 2 The reason laser devices are released in so many different types is because of this. ^^

Laser wavelengths penetrate to different depths in the skin and respond to different lesions, so the treatment purpose changes depending on which wavelength is used.

Some wavelengths respond to relatively superficial pigment, while others reach deep into the dermis.

That is why problems such as melasma, blemishes, freckles, and redness cannot be solved all at once with the same laser.

In the end, an approach that tries to solve all pigment problems with just one laser inevitably has limitations from the start.

Myeong-dong pico toning

Why even the same laser device uses ‘different wavelengths’

Even if the laser device has the same name, it does not always use the same laser.

In actual practice, it is common to switch wavelengths depending on the skin condition, such as using a 1064nm wavelength on some days and a 532nm wavelength in other cases.

The reason is that even if they look like similar blemishes on the surface, the position, depth, and nature of the pigment are all different in reality.

Why Treating Myeong-dong Pico Toning with a Single Laser Is Difficult image 3

If the pigment is shallow but only a deep-penetrating wavelength is used repeatedly, the effect may be reduced.

Conversely, if the pigment is deep but only a shallow wavelength is used, you may wonder, “I keep getting treated, so why isn’t it going away?”

That is why, in pico toning as well, what matters far more than whether a laser is used or not is which wavelength is selected and at what timing.

Myeong-dong pico toning

Even at the same wavelength, if the pulse width differs,

the purpose changes completely

This is where many people easily overlook an important factor: pulse width.

Even with the same 1064nm laser, the role changes entirely depending on the pulse width.

Why Treating Myeong-dong Pico Toning with a Single Laser Is Difficult image 4

For example, with a 1064nm long-pulse laser, the main purpose may be less about directly breaking up pigment and more focused on treating redness and blood vessels, as well as improving the overall dermal environment.

On the other hand, even with the same 1064nm wavelength, a Q-switched laser is used to directly break pigment into smaller particles using short, strong energy.

In other words, even though the wavelength looks the same, the treatment direction changes completely depending on whether it is long-pulse or Q-switched.

Because of this, it is realistically difficult to solve all pigment problems with just one laser, one wavelength, or one setting.

So far, I have explained why treatment with just one laser is difficult for those who visit Myeong-dong pico toning.

This is because laser devices themselves are diverse, the same device often uses different wavelengths, and even with the same wavelength, the purpose changes completely depending on the pulse width.

Therefore, in actual treatment, rather than relying on one laser alone, it is often more reasonable to combine multiple lasers, wavelengths, and pulse widths according to the skin condition.

Why Treating Myeong-dong Pico Toning with a Single Laser Is Difficult image 5

If you have had laser toning several times but the results were inconsistent or you were not satisfied, there is a good chance that it was not because the treatment was insufficient, but because the laser combination was not suited to your skin concerns.

Remembering that more lasers are not always better, and that they only become meaningful when used appropriately, may help you understand the direction of treatment.

Thank you for reading this long post. This was Kim Jin-hyeon, Chief Director of You&I Clinic Mok-dong Branch. ^^

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