Is CO2 Laser Resurfacing Worth It?

Quick answer

For fine and deep wrinkles, sun damage, textural concerns and scars, CO2 laser resurfacing delivers dramatic, long-lasting results in one treatment, but it's the most aggressive option, with 1 to 2 weeks of real downtime and higher pigment risk in medium-to-dark skin. It's worth it when the damage is significant and you can accept the recovery; otherwise, gentler lasers often suffice.

Medically reviewed & written by Channing Barnett, MD, board-certified dermatologist (Princeton · Albert Einstein College of Medicine · Columbia), Boca Raton & Delray Beach. Full profile →

CO2 laser resurfacing is the most powerful tool I have for turning back sun damage and deep wrinkles in a single treatment, and it's also the one I'm most careful about recommending, because the downtime and risk are real. Here's how I actually think through whether it's worth it for you.

What CO2 laser resurfacing actually does

CO2 resurfacing is ablative, meaning the laser vaporizes damaged surface layers of skin while heating the deeper tissue to drive collagen remodeling. That combination, removing damaged surface skin and stimulating new collagen underneath, is what produces such dramatic results in one treatment, compared to gentler options that only work at the surface or need a series to add up to the same effect.

What it fixes best

CO2 resurfacing is best for deep wrinkles, significant sun damage, acne or surgical scars, and textural changes that gentler devices haven't been able to touch. If your concerns are milder, such as early fine lines or mild uneven tone, CO2 is overkill, you'd be taking on real downtime and cost for a result a gentler laser or IPL can also deliver.

The real downtime

This is the part patients underestimate. Expect one to two weeks of raw, crusted, peeling, red skin as it heals, plus strict sun avoidance during that time and for weeks afterward. I want you to go in with realistic expectations about recovery, not just the results.

Skin-tone risk

The risk of post-inflammatory hyperpigmentation, dark patches that develop as the skin heals, rises meaningfully in medium-to-dark skin tones (Fitzpatrick IV through VI). For those patients, I often steer toward a non-ablative or fractional option instead, where the correction is more gradual but the pigment risk is much lower.

Cost, results longevity, and session tradeoffs

CO2 resurfacing costs more upfront than gentler lasers, but because it stimulates deep collagen remodeling, results can last years rather than months. Gentler options are cheaper per session but usually need a series to reach a comparable result, so the real cost comparison has to include how many sessions you'd actually need.

When it's worth it

CO2 resurfacing is worth it when the damage is significant and you can accept the recovery. When it isn't, I'll steer you toward a gentler laser, IPL, Clear + Brilliant, Genesis, or another resurfacing alternative that gets you most of the way there without the downtime.

Weighing CO2 resurfacing against a gentler option?
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Frequently asked questions

Is CO2 laser resurfacing worth it?

For deep wrinkles, heavy sun damage, or scars, yes, it gives more dramatic, long-lasting results in one treatment. For milder concerns, the downtime and cost usually aren't justified when a gentler laser can do the job.

How long is the downtime?

Expect roughly 1 to 2 weeks of redness, crusting, peeling, and raw or oozing skin as it heals, plus weeks of diligent sun protection afterward.

Is CO2 laser safe for darker skin?

It carries a higher risk of post-inflammatory hyperpigmentation in medium-to-dark skin tones. It can sometimes be done with careful candidate selection and settings, but a non-ablative or fractional option is often safer, this is a conversation to have with a dermatologist.

How long do the results last?

Because it stimulates deep collagen remodeling, results can last years, though natural aging and new sun exposure continue over time.

What's the difference between CO2 and a gentler laser?

CO2 is ablative (removes surface skin) for maximum correction with more downtime; non-ablative lasers work with less downtime and lower risk but usually need a series and give subtle, more gradual results.