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Dear Clinic · Answers · Acne Scars
Answered in Cheongdam, Gangnam, Seoul

How Many Sessions Does Fractional Laser for Acne Scars Require?

Dear Clinic publishes no course count for scar work. A likely range is written at your scan and revised as the skin responds, and the ablative laser lines here are billed one lesion at a time, so the arithmetic follows the map of your face instead of a package sold on day one.

No pre-paid course: each visit billed on its own line Ablative work: charged per lesion treated Open 365 days
Get a Range for Your Own Scars See How It Is Costed
The short answer

Why no fixed session count is published for fractional acne scar work

There is no published number, because the only truthful one is a range that belongs to your face. Your director gives that range at the diagnostic scan, after scar type, distribution and skin thickness have been read, and revises it between visits. Nothing is pre-sold as a block of ten, and no session is owed in advance.

The question usually carries an assumption worth unpicking. Most session-count articles describe a full-face fractional ablative course, where an entire face is resurfaced repeatedly at set intervals. That is not the shape of the published lines in Cheongdam. Carbon dioxide and erbium work here is focused and local: a lesion is taken down in controlled passes and charged at ₩10,000 (≈ $5) for each one treated. Full-face ablative resurfacing does not appear on the price list at all.

Where a whole field genuinely needs work, the energy is delivered through needles instead, and a fractional laser step at spaced intervals sits inside the D-ARC Solution programme for texture. So "how many fractional sessions" turns into two separate answers: how many lesions are on your list, and how many field visits the rest of the face needs.

Both answers come out of the same twenty minutes at the scan. The full sequence those visits belong to is described on the acne scar treatment page; what follows here is the reasoning that produces the number.

What moves the number

Six readings that set your acne scar session count

None of these can be read from a photograph sent in advance. All six are taken at the scan and written into the plan before a figure is quoted.

01

Scar type and how deep each one sits

A narrow pit that is deeper than it is wide needs focused passes and returns slowly. A shallow, wide depression answers to field energy sooner. A face carrying both is treated on two schedules at once, which is the usual reason a plan runs longer than a friend's did.

02

How many lesions and how many zones

Because ablative work is billed by the lesion, a list of four is a short appointment and a modest figure. Spread across cheeks, temples and jawline, the same depth of scarring becomes several visits, since energy is not stacked onto one field repeatedly in a short window.

03

Skin tone, and what melanin does to the setting

Light absorbed by melanin calls for lower energy and longer gaps as pigment rises, so a deeper tone usually means a slower course of gentler visits. That trade buys protection from the patch of altered colour which is the main risk of pushing a beam hard.

04

The downtime your calendar can actually absorb

Each treated lesion carries a small scab for several days, and a release step leaves a bruise whose duration varies from person to person. If your weeks cannot hold that, the plan is split into more, lighter visits, which raises the count and lowers the disruption per visit.

05

How your own skin repairs between visits

The change from any scar session accrues while you are away from the clinic, as collagen rebuilds over weeks. Your second visit is planned against what the first one actually produced, so a strong early response can shorten the plan and a slow one can extend it.

06

Whether a tether is still holding the floor down

A depression anchored from beneath will keep returning to its old level no matter how many field passes it receives. Released first at ₩500,000 (≈ $355), it stops fighting every subsequent visit, and the rest of the plan usually needs fewer of them.

How it is costed

Per-lesion billing changes the acne scar session arithmetic

A course price tells you very little when the unit being charged is a single lesion. Here is what each line actually counts.

LineWhat one charge coversWhat raises the totalListed rate
Carbon dioxide / erbiumOne lesion, worked in passes until it sits levelThe number of lesions on your list₩10,000 (≈ $5)
RF microneedling, standard tipOne field visit, depth reset zone by zoneThe number of visits the field needs₩250,000 (≈ $180)
SubcisionOne release session on tethered scarsHow many anchored zones are found₩500,000 (≈ $355)

Figures current for September 2026, quoted in KRW with a USD equivalent shown for orientation only. The same published line applies to residents and to visitors. Nothing is pre-sold as a package, so a plan that stops after two visits leaves no unused balance behind. What a diagnosis visit or a later review costs is confirmed with you when the appointment is booked. Each line above also sits on the price list.

In the clinic

The devices and hands behind this treatment

CureJet console viewed from the front with the delivery arm extended
CureJet console viewed from the front with the delivery arm extended
Jeisys Potenza RF microneedling system with both handpieces and its touchscreen showing the treatment interface
Field visits run on needles, with depth reset at every zone boundary.
Steps that shorten the list

Where release and needle energy reduce the fractional visits you need

Release

Cutting a tether stops a scar from re-sinking

Subcision passes a fine needle beneath an anchored depression and divides the strands pulling its floor down. Once the anchor is gone, the floor can settle at a higher level and stay there, and visits that follow are spent on refinement instead of on fighting the same pull. The line is ₩500,000 (≈ $355), and a bruise, whose duration varies from person to person, is part of the booking.

Rebuild

Needle-delivered energy covers a field without a beam

Radiofrequency microneedling pushes fine needles through the surface and releases energy from their tips inside the dermis, where scar walls and coarse texture sit. Because melanin does not absorb it the way it absorbs light, it can carry a deeper tone at full depth. A standard-tip visit is ₩250,000 (≈ $180); the Potenza page covers both tip configurations.

Sequencing is what keeps the count down. Where breakouts are still running, those are settled first on the Agnes route, since scar visits spent on skin that is still flaring are visits paid for twice. Where a face needs material delivered across a wide area without a needle passing through it, CureJet takes that job. Every one of these steps is on the same floor, which is why a plan can be rewritten between visits without sending you somewhere new.

Dear, Knowhow

How a session range for acne scars is arrived at here

01 — THE FULL ARSENAL

Four scar lines, none of them bundled

Release, needle energy, jet delivery and per-lesion beam work are all published separately. A plan can therefore use one line for two visits, and nothing has to be padded to reach a package minimum.

02 — DIAGNOSIS FIRST

The lesion list is counted before a range is quoted

EVE Muse 3D imaging under five light sources with AI analysis separates depressions from flat colour and reads skin thickness zone by zone. Counting what is actually there is what turns a session question into an estimate, and it happens before any energy is switched on.

03 — DIRECTOR-PERFORMED

Each visit is read against the one before it

Your session is director-performed, and the next date is set from what the previous visit produced on your skin. A strong early response shortens the plan; a slow one extends it, and you are told which is happening.

Caution

Spacing, and what happens between two acne scar visits

The gap does the building — collagen forms over the weeks after a visit, so compressing the calendar buys recovery time and very little else.
Treated lesions — a small scab sits on each one for several days. Leave it to release on its own; lifting one early is the most avoidable cause of a lasting mark.
After a field visit — warmth, redness and a faint grid for two to three days. Moisturise generously and keep the routine short until it settles.
Between every visit — sunscreen each morning, no deliberate sun, and saunas, pools, hard training and strong actives paused for the window your director sets.
Tell us early if a treated area is hotter on day three than on day one, if blisters appear, or if redness outlasts what we described.
Medical Team

Five doctors, one standard

Director-performed treatment is a Dear promise — your procedure is planned and performed by the doctors below.

Dr. Jemin Kim — Medical Director and Founder, Dear Clinic
Dr. Jemin Kim
Yonsei University College of Medicine
Medical Director · Founder
Dr. Sanghyun Lee — Director, Dear Clinic
Dr. Sanghyun Lee
Seoul National University College of Medicine
Director
Board-certified · Family Medicine
Dr. Seonhaeng Lee — Director of Aesthetic Medicine, Dear Clinic
Dr. Seonhaeng Lee
Chosun University College of Medicine · Residency, Samsung Medical Center
Director, Aesthetic Medicine
Dr. Daeun Jung — Director, Dear Clinic
Dr. Daeun Jung
Ajou University College of Medicine
Director
Board-certified · Family Medicine
Dr. Woojae Jung — Director of Aesthetic Medicine, Dear Clinic
Dr. Woojae Jung
Seoul National University — B.S. in Medicine
Director, Aesthetic Medicine
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FAQ

Further questions about session counts for acne scar laser

Can you give me a number before I fly to Seoul?
We give you a range in the reply to your consultation form, flagged as provisional, and a firmer one at the scan. Photographs taken in side light at close range help, because a depression shows in raking light and disappears in flat light. The firm version waits for the 3D scan, since scar depth and skin thickness cannot be measured from an image.
Do you sell a course of ten sessions?
No package is sold for scar work. Each visit is charged at its own published line, so stopping after the second one leaves nothing owed and no unused balance sitting with us. That structure exists because a scar plan is revised between visits, and a pre-paid block quietly removes the option of revising it downward.
How far apart should acne scar sessions sit?
Several weeks, with the exact interval set by which step you had and how your skin looked at review. The work that shows happens between visits as collagen rebuilds, so a shorter gap mostly shortens recovery time and adds little to the result. Your director sets the next date after seeing the field, not before it.
Why is the ablative work charged per lesion instead of per session?
Because the target is a single spot and the endpoint is judged spot by spot. A lesion is taken down in controlled passes until it sits level with the skin around it, so the unit of work being billed is one lesion at ₩10,000 (≈ $5). A short list is inexpensive, and you can do the arithmetic before you arrive.
Is full-face fractional resurfacing available here?
Full-face ablative resurfacing is not a published line at Dear Clinic. Where an entire field needs work, the plan is normally built from needle-delivered radiofrequency at ₩250,000 (≈ $180) a visit, with a spaced fractional laser step programmed inside D-ARC Solution for texture. Individual pits are still handled one at a time alongside that.
Does subcision change how many laser visits I need?
Often it lowers them. A depression held down by fibrous strands keeps returning to its old level whatever is done above it, so releasing the anchor first at ₩500,000 (≈ $355) means later visits are spent refining instead of re-fighting. Which zones are tethered is a finding from the scan and not something you can feel reliably yourself.
What do the published studies say about a single treatment?
One randomised split-face trial compared fractional carbon dioxide against needle-delivered radiofrequency for acne scars after a single treatment, and a separate real-world retrospective series followed 75 patients treated with fractional microneedle radiofrequency. A meta-analysis pools fractional radiofrequency results across acne and acne scarring. All are listed below with resolvable DOIs; none of them predicts an individual outcome.
Will a deeper skin tone mean more visits?
Usually a slower course of gentler visits, which can mean more of them. Energy absorbed by melanin needs lowering as pigment rises, and intervals lengthen to protect against a patch of altered colour. Needle-delivered radiofrequency is comparatively indifferent to melanin, which is one reason it carries much of the field work in deeper tones here.
How many lesions can be treated in one appointment?
That is decided by where they sit and how much of the face is being asked to heal at once. A scattered handful across two zones is comfortable in a single visit; a dense cluster is usually split, because a face recovering everywhere at the same time is a face out of action for longer than it needs to be. Your list is grouped at the scan.
Can I start the plan on my consultation day?
Frequently yes, when the skin is calm and the plan is straightforward. The scan, the reading and the discussion come first, and a first step can follow on the same visit. Booking early in a trip is the sensible move, since a release step leaves a bruise whose duration varies from person to person, and each treated lesion carries a scab for several days.
What if the improvement stalls halfway through?
You are told. Progress is read against the previous visit rather than against an expectation written on day one, and where a scar pattern has stopped moving we say so and put the question of continuing back to you. That conversation is easier here precisely because nothing was pre-paid.
Do visitors pay a different rate per session?
No. Every line is published and applies to everyone, settled in KRW with the USD figure alongside shown as a reference that moves with the exchange rate. Your receipt names the step you were treated on, which matters when a plan mixes per-lesion work with field visits inside the same month.
Consultation

Ask for a range written against your own scars

Your questions, answered in English as soon as possible.

Scientific Evidence

Published designs behind a scar plan measured in visits

The studies below are listed for what their designs show about repetition. One randomised split-face trial assessed acne scars after a single treatment, comparing fractional carbon dioxide against needle-delivered radiofrequency. A retrospective series followed 75 patients in ordinary practice. A pooled analysis gathers fractional radiofrequency results across acne and acne scarring, and two further trials examine needle-delivered radiofrequency in moderate-to-severe and in randomised controlled acne settings, which is the condition treated before scar visits begin.

Each reference carries a resolvable DOI from an indexed journal. They describe study populations and endpoints, and none of them is a forecast for a particular face; your own range is written at the scan and revised as the skin answers.

  1. Hendel K et al. Fractional CO2‐laser versus microneedle radiofrequency for acne scars: A randomized, single treatment, split‐face trial. Lasers in Surgery and Medicine. 2023. doi:10.1002/lsm.23655
  2. Ren K et al. Fractional microneedle radiofrequency treatment for enlarged facial pores: A real‐world retrospective observational study on 75 patients. Journal of Cosmetic Dermatology. 2022. doi:10.1111/jocd.15339
  3. Li J et al. Meta‐analysis of fractional radiofrequency treatment for acne and/or acne scars. Journal of Cosmetic Dermatology. 2022. doi:10.1111/jocd.15348
  4. Zeng R et al. A split‐face comparison of a fractional microneedle radiofrequency device and fractional radiofrequency therapy for moderate‐to‐severe acne vulgaris. Journal of Cosmetic Dermatology. 2020. doi:10.1111/jocd.13299
  5. Ahn GR et al. Selective Sebaceous Gland Electrothermolysis Using a Single Microneedle Radiofrequency Device for Acne Patients: A Prospective Randomized Controlled Study. Lasers in Surgery and Medicine. 2019. doi:10.1002/lsm.23152

References are provided for information — outcomes vary by individual and are assessed at your diagnosis.

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