Our verdict: The strongest resurfacing we offer; worth it for deeper scars if you can take the downtime
Best for: Deeper rolling and boxcar acne scars, marked texture, fine wrinkles
Not ideal for: Short trips, recent isotretinoin users, keloid tendency, people who tan or pigment easily without careful planning
Comfort: Hot and prickly even with numbing; the face feels like a sunburn afterward
Downtime: 5–7 days of redness and crusting; pinkness can last several weeks
Value: Good per session given its strength; plan for two to four sessions
Price from: ₩199,000 (full face)

Our take on CO2 fractional laser

This is our medical team's honest assessment of CO2 fractional laser. It is an editorial review by our doctors, not a compilation of patient reviews, and it explains when we recommend ablative resurfacing at Dernia Clinic Myeongdong and when a gentler option is wiser. Our other assessments are on our expert reviews page.

CO2 fractional laser is an ablative laser that vaporizes tiny columns of skin in a grid, leaving untouched skin between them to speed healing. That controlled injury triggers strong collagen remodeling, which is why it can improve deeper acne scars and texture more per session than non-ablative options. In our doctors' view it is the most powerful resurfacing tool we offer. It also has the most downtime, and in Asian and darker skin types it needs careful settings and aftercare to avoid post-inflammatory pigmentation.

Pros

Strong results. Deeper rolling and boxcar scars often improve noticeably over a course.
Long-lasting. Collagen remodeling continues for months, and improvement is durable.
Treats texture broadly. Pores, roughness and fine wrinkles improve alongside scars.
Flexible depth. Settings can be adjusted from light to deep depending on the problem.
Fewer sessions than gentler lasers. Two to four sessions are typical for scars.

Cons

Real downtime. Five to seven days of redness, swelling and crusting, with pinkness that can last several weeks.
Pigment risk. Temporary darkening after inflammation is more common in Asian and darker skin and can last weeks to months.
Strict aftercare. Gentle cleansing, moisturizing and strict sun avoidance are essential.
Not for everyone. Recent isotretinoin use, keloid tendency and active acne or infection rule it out.
Uncomfortable. Even with numbing, treatment feels hot and prickly.

Who CO2 fractional laser is best for

Our doctors recommend it for people with deeper acne scars, marked texture or fine wrinkles who want the most change per session and can schedule a week of recovery, ideally at the start of a longer stay in Seoul. It also suits people who have tried gentler treatments and want a stronger step.

Who should consider something else

Shorter downtime: fractional picosecond laser is gentler with one to three days of redness. See Pico fractional vs CO2 fractional laser.
Scars with oily skin or pigment-prone skin: RF microneedling avoids surface ablation. See CO2 fractional laser vs Potenza.
Shallow scars or texture only: a collagen booster such as Juvelook may be enough.
A single mole or skin tag: targeted mole and skin tag removal is simpler.
Medical reasons: avoid it with recent isotretinoin use, keloid or abnormal scarring, active acne or infection, cold sores, pregnancy or a fresh tan. Your doctor may prescribe antiviral cover if you get cold sores.

Comfort and what it feels like

Numbing cream is applied for about 40 minutes. During treatment you will feel intense prickling heat with each pass, and a cooling fan helps. A full face takes about 30 to 45 minutes including numbing. Afterward the skin feels hot and tight like a sunburn for a day, then becomes rough and crusted as it heals over five to seven days. Do not pick crusts. Our day-by-day laser aftercare guide explains each stage.

Value for money

CO2 fractional laser at Dernia starts from ₩199,000 for the full face; deeper settings, scar-focused plans or added areas cost more, as shown on the CO2 fractional laser price page. Prices are in Korean won (KRW), exclude 10% VAT, and are confirmed at your consultation. Given how much it can achieve per session, the value is good, but count the cost of a week of downtime in your travel plans too.

Our verdict

CO2 fractional laser is worth it for deeper acne scars and marked texture when you can plan around a week of recovery and follow strict aftercare. It is not worth it on a short trip, with recent isotretinoin use or if you cannot avoid the sun. Read the CO2 fractional laser results timeline for realistic expectations, then book a consultation so your doctor can grade your scars and set safe settings for your skin type.

Is CO2 fractional laser worth it?

It is worth it for deeper acne scars and marked texture if you can take five to seven days of downtime and follow strict aftercare. For lighter concerns, gentler options usually make more sense.

How long is the downtime after CO2 laser?

Expect five to seven days of redness, swelling and crusting. Pinkness can last several weeks and fades gradually; makeup is usually possible once crusts have shed.

Is CO2 laser safe for Asian skin?

It can be, with careful settings, pre- and post-treatment care and strict sun protection. Temporary darkening is more common in Asian and darker skin, so your doctor plans conservatively.

How many CO2 sessions do I need for acne scars?

Two to four sessions spaced a few months apart are typical. Your doctor may combine CO2 with other techniques for different scar types.

Can I fly after CO2 laser?

Flying is possible, but your skin will be red and crusted for about a week. Plan treatment early in a longer stay so your doctor can check healing before you leave.

Related treatments

CO2 fractional laser treatment guide — how a session works
Pico fractional — gentler resurfacing
Potenza RF microneedling — non-ablative scar remodeling

Price and results

CO2 fractional laser price in Seoul — plans and areas
CO2 fractional laser results — healing and remodeling timeline

Concerns

Rough skin texture — options compared
Large pores — resurfacing and boosters
Moles and skin tags — removal options

Guides

Building an acne scar treatment plan — step by step
A 7-day Seoul treatment schedule — room for recovery
Sun protection after laser — protecting healing skin

Dernia Clinic Myeongdong

CO2 Fractional Laser Review: Is It Worth It?