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Hongdae Ruby Laser: Can It Really Remove Spots in One Session?

You&I Clinic Hongdae Sinchon · 닥터다람의 예뻐지는 피부비결 · November 5, 2025

Hongdae Ruby Laser, Can it really remove spots in one session? ​ ​ ​ 'With Ruby Laser, can melasma or spots really disappear?' ​ ​ 'I heard it can cause redness or scabbing, is it...

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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: You&I Clinic Hongdae Sinchon

Original post date: November 5, 2025

Translated at: April 20, 2026 at 2:09 PM

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

Hongdae Ruby Laser,

Can it really remove spots in one session?

Hongdae Ruby Laser: Can It Really Remove Spots in One Session? image 1

'With Ruby Laser,

can melasma or spots really disappear?'

'I heard it can cause redness or scabbing,

is it okay to get it while working?'

Many people are bothered every time they look in the mirror because of spots or freckles, but hesitate because they worry about redness after the procedure or whether it will really work.

In particular, since there are so many dermatology clinics in the Hongdae area and so many different procedure options, many people come in saying they feel confused about “where to go and which laser to choose.”

In actual pre-treatment consultations, there are cases where people decide without fully understanding how Ruby Laser works on pigmentation or what the recovery process is like after the procedure.

Things that look similar still differ in the cause and depth of melasma, freckles, and spots, and there are separate procedures that fit each one.

So today, focusing on the questions actual patients often asked,

we’ll accurately and realistically summarize the principles, treatment process, and effects of Hongdae Ruby Laser.

Hongdae Ruby Laser,

can it really remove spots in one session?

  • What is Ruby Laser?

  • Treatment process: why is a “customized diagnosis” important?

  • The effect of Ruby Laser: is one session enough?

Hongdae

What is Ruby Laser?

Hongdae Ruby Laser: Can It Really Remove Spots in One Session? image 2

Ruby Laser is a special laser that reacts only to melanin pigment with light at a wavelength of 694nm.

Because this wavelength precisely targets and destroys pigment only, it causes almost no damage to the surrounding skin.

This is why it is often described as “removing only the pigment it targets.”

That is why, during treatment, the energy intensity and mode (Q-switch, pulse mode) must be finely adjusted to match each patient’s different skin tone, pigmentation depth, and spot size.

Hongdae Ruby Laser: Can It Really Remove Spots in One Session? image 3

For example, shallow freckles are treated lightly over several passes, while deeper melasma is treated with short, strong pulses.

This fine adjustment is also the key factor that distinguishes the practitioner’s skill.

Ruby Laser is widely used not only for freckles, but also for dermal pigment conditions such as post-inflammatory hyperpigmentation, age spots, and nevus of Ota.

That also means it has abundant clinical data and proven safety.

Hongdae Ruby Laser: Can It Really Remove Spots in One Session? image 4

After applying numbing cream, most people say the pain feels like a slight tingling or warmth and that it was “more tolerable than expected.”

The key to Ruby Laser is not “power” but precision.

How well the skin is read and how finely the light is adjusted determines the result.

Hongdae Ruby Laser

Treatment process: why is a “customized diagnosis” important?

Hongdae Ruby Laser: Can It Really Remove Spots in One Session? image 5

Ruby Laser is most effective when preceded by an accurate diagnosis.

Before the procedure, a skin analyzer (skin scanner) must be used to identify even pigment that is not visible to the eye.

At this stage, it is necessary to determine the location and concentration of hidden melanin so that the energy can be delivered precisely to the correct depth.

After the diagnosis is complete, numbing cream is applied for about 10 minutes before the procedure begins.

Short pulses are delivered with a “clicking” sound, and at this point the pigment breaks down into tiny particles and rises to the surface as small scabs.

The procedure takes about 10 to 15 minutes, so it is short enough to be done during a lunch break.

After the procedure, the face may be slightly red and tingling, but it settles down quickly.

At this time, do not force off the scabs, and be sure to apply sunscreen.

You should avoid saunas or strenuous exercise for about a week.

What we always emphasize is that “post-procedure care is half the treatment.”

With proper care, the results can improve even more.

Hongdae

The effect of Ruby Laser: is one session enough?

Hongdae Ruby Laser: Can It Really Remove Spots in One Session? image 6

To conclude, superficial spots can improve sufficiently with one session, but deep melasma or nevus of Ota require two to three or more treatments.

Even after the procedure, the destroyed pigment is gradually absorbed and eliminated from the skin, so the complexion becomes clearer over time.

Rather than immediately after the scabs fall off, you will really notice the change 1 to 2 weeks later, when the skin tone becomes more even and transparent.

For 24 hours after the procedure, it is best to avoid makeup and to keep moisturizing and soothing the skin consistently.

Three things to remember after Hongdae Ruby Laser treatment

First, skin diagnosis is the first step.

The energy intensity changes depending on the depth of the pigment.

Second, the first week of aftercare is key.

Sunscreen is essential, and let the scabs come off naturally.

Third, expect gradual improvement rather than immediate results.

After 1 to 2 weeks, the skin tone will become more even, and you can feel the real change.

Thank you. This was UNNI Hongdae Sinchon ^^

< The story accumulated over 10 years at the Hongdae Sinchon branch>

< UNNI Clinic Hongdae Sinchon Hours >

Weekdays: am 10:00 ~ pm 08:00

Saturday: am 10:00 ~ pm 05:00

(Consultations without lunch break)

< Directions >

UNNI Clinic Hongdae Sinchon Branch is located near Hongik University Station.

Hongdae Ruby Laser: Can It Really Remove Spots in One Session? image 7

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