Acne scars are permanent textural changes — icepick, boxcar or rolling scars — left after inflammatory acne. At Doje Clinic, common treatment options include CO2 Fractional Laser, Potenza, Juvelook, chosen after a dermatologist's assessment.
Medically reviewed by [DOCTOR NAME], board-certified dermatologist · Doje Clinic, Apgujeong, Seoul · Last reviewed November 2026
What is acne scars?
Acne scars are permanent textural changes — icepick, boxcar or rolling scars — left after inflammatory acne.
What causes it?
- deep inflammation
- delayed treatment
- picking
- genetics
How we treat acne scars
Most scars need a combination: subcision for tethered scars, fractional lasers or RF microneedling for texture, and collagen boosters for depth.
Treatment options compared
| Treatment | Downtime | Sessions |
|---|---|---|
| CO2 Fractional Laser | About 5–7 days of redness, crusting and peeling | 1–3 sessions spaced months apart |
| Potenza (RF Microneedling) | Redness and pinpoint marks for 1–3 days | Series of 3, monthly |
| Juvelook (PDLLA Collagen Booster) | Mild swelling and bumps for a few days | Usually 2–3 sessions about 4 weeks apart |
| Acne Scar Subcision | Bruising and swelling for 1–2 weeks | 1–3 sessions |
| Pico Fractional Laser | Redness and pinpoint marks for 1–3 days | Series of 3–5, monthly |
At-home care
- sunscreen to prevent darkening
- control active acne
When to see a dermatologist
Book a scar-mapping consultation to identify scar types.
Key facts
| Concern group | Acne & Pores |
|---|---|
| Main causes | deep inflammation, delayed treatment, picking |
| First-line options | CO2 Fractional Laser, Potenza, Juvelook |
| Consultation | Required to confirm diagnosis and plan |
Patient questions
Frequently asked questions
What is the best treatment for acne scars?
It depends on the cause and your skin. Options often include CO2 Fractional Laser, Potenza, Juvelook. Most scars need a combination: subcision for tethered scars, fractional lasers or RF microneedling for texture, and collagen boosters for depth..
What causes acne scars?
Common causes include deep inflammation, delayed treatment, picking, genetics.
Can acne scars come back after treatment?
Some concerns are controlled rather than cured. Sun protection, skincare and maintenance help results last.
When should I see a doctor about acne scars?
Book a scar-mapping consultation to identify scar types.
Your skin plan, designed in Apgujeong
English-speaking consultations · Written quotes · Aftercare you can take home
Medical information on this page is general and educational. Results, downtime and suitability vary by individual. A consultation with a Doje Clinic physician is required before any treatment.