• BeautysDoctor Hongdae Beautystone Clinic
  • BeautysDoctor Hongdae Beautystone Clinic
  • BeautysDoctor Hongdae Beautystone Clinic
  • BeautysDoctor Hongdae Beautystone Clinic

Honestly, my pigmentation view shifted in 5 years

Honestly, my pigmentation view shifted in 5 years

Honestly, my pigmentation view shifted in 5 years

Why lasers alone can't fix pigmentation: PIH mechanism, wavelength approach, case-by-case order.

시술 후 더 진해진 색소침착? 리바운드가 생기는 의학적 이유

Please check this before reading



Q. Brown marks after treatment,

will they fade faster if I get more laser?

A. In fact, they often get darker.

If you apply more energy while inflammation remains,

the melanocytes get even more stimulated.



Q. Then what's the cause?

A. Most of the time, it's not the 'pigment itself,'

but the 'inflammation' underneath.

You have to calm the inflammation first for the pigment to fade.





Among the people coming into the clinic these days,

"I had laser five times somewhere else,

but it seems to have gotten darker instead"

there are suddenly many people saying this.



Honestly, when I was a resident,

when I saw hyperpigmentation, I used to think of laser first.



But only after doing a few hundred cases

did I learn something.



Hyperpigmentation is not really a pigment problem,

it's much more often an inflammation problem.





왜 색소 레이저를 받을수록 자국이 더 또렷해질까요?



What makes them different is this:

Hyperpigmentation refers to brown to gray-brown marks

caused by abnormal buildup of melanin in the skin.



Unlike melasma, hyperpigmentation

is mostly caused by 'acquired irritation.'



Marks left after popping acne, post-laser marks,

and darkened areas after a wound heals.

All of these are post-inflammatory hyperpigmentation (PIH).



If melasma is based on 'hormones and genetics,'

PIH is based on 'inflammation.'

The approach is completely different.





Director Wi Youngjin's

Key Insight



Post-procedure hyperpigmentation, brown marks that won't go away

— the director explains the causes and solutions.





갈색 자국에 레이저만 쏘는 것은 불난 집에 부채질하는 격입니다



A client in their mid-30s who came last month

had received 10 toning sessions at another clinic,

but the borders of the hyperpigmentation had become even more distinct.



When I looked closely at the skin, beneath the pigment

there was very faint micro-inflammation left.



If inflammation remains, melanocytes

keep receiving stimulation signals.



If you hit it with laser again here

the pigment can get even darker.



Especially when toning is repeated at low energy,

this 'rebound hyperpigmentation' often occurs.



In Korean patients,

this has been reported in about 15–20%.





Director Wi Youngjin's Key Summary



The reason hyperpigmentation doesn't fade,

is mostly not the 'pigment'

but because the 'inflammation' underneath is still there.



You need to control the inflammation first, then choose the wavelength.

Just changing the order can change the outcome.





남들 다 효과 본다는 레이저 토닝, 내 피부에만 독이 된 이유



Clinic classification guide by pigment type

Type

Features

First-line approach

Post-inflammatory hyperpigmentation (PIH)

Brown marks after acne or wounds

Laser after 4–6 weeks of medication

Melasma-associated type

Symmetrical on both cheeks and the forehead

Low-intensity toning + tranexamic acid

Deep (dermal) pigment

Gray-brown, bluish, flat

1064 nm laser, long intervals

With residual redness

Brown + faint redness coexist

Vascular laser first, then pigment treatment

Treatment for hyperpigmentation can take as few as 2–3 sessions,

but most cases require 4–6 or more.



If you get the sequence right, what didn't improve even after 10 sessions

often becomes noticeably lighter.





The three questions I get most often in the clinic



Q1. Does the at-home

brightening cream alone not work?

If it's epidermal, it may fade over several months,

but pigment that has gone into the dermis has its limits.

If there's no change after 6 to 8 weeks,

I recommend a consultation.



Q2. How much does it cost and how many sessions

should I plan for?

For PIH, usually about 3 to 5 sessions,

done at 2- to 3-week intervals.

If you don't protect against UV, it can come back within 6 months.



Q3. Are there side effects or precautions?

Excessive energy and short intervals

cause rebound hyperpigmentation.

Sunscreen is essential, and

don't forcibly peel off dead skin.





KakaoTalk consultation before visiting is also available.

That was Wi Youngjin.





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  • BeautysDoctor Hongdae Beautystone Clinic
  • BeautysDoctor Hongdae Beautystone Clinic
  • BeautysDoctor Hongdae Beautystone Clinic
  • BeautysDoctor Hongdae Beautystone Clinic

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