CO2 Laser Resurfacing – A Guide to Treatment, Downtime and Recovery

Skincare has a hierarchy, and CO2 laser resurfacing sits right at the top of it — the treatment your serums whisper about when they think you’re not listening.

Most skin treatments politely ask your skin to behave. They nudge, they hydrate, they exfoliate a bit and hope for the best. CO2 laser resurfacing skips the negotiation entirely. It removes the damaged surface layer, delivers a controlled column of heat into the tissue below, and leaves your skin with no option but to rebuild itself from the ground up.

The results can be striking. So can the week that follows — and that week is the part most people don’t plan for.

What Is CO2 Resurfacing

CO2 laser resurfacing is an ablative laser treatment. It uses a carbon dioxide laser at a 10,600 nm wavelength to vaporise damaged layers of skin and heat the tissue sitting underneath.

Water does the heavy lifting here. Your skin is full of it, and this wavelength is absorbed by water almost the instant it lands. The targeted tissue is converted to vapour and lifts away, while the heat left behind travels a controlled distance into the dermis.

That heat is the actual product. It triggers a wound-healing cascade, and over the following weeks your skin responds by laying down fresh collagen and elastin — the structural scaffolding that thins out with age, sun exposure and years of acne. A CO2 resurfacing laser treatment clears the damaged surface and gives the deeper layers a reason to rebuild.

The short version: ablative lasers remove tissue, non-ablative lasers heat it without removing it. Removal is why CO2 hits harder than almost anything else on a clinic menu, and it’s also why the recovery is something you plan your month around rather than a lunch-break inconvenience.

Fully Ablative, Fractional or Hybrid CO2?

When people picture CO2 laser resurfacing and imagine two weeks hiding indoors, they’re picturing the fully ablative version from the 1990s. Most clinics today work fractionally, which changes the downtime maths considerably.

Fractionated CO2 laser resurfacing is what most clinics mean when they advertise the treatment. Your practitioner adjusts density (how many columns) and depth (how far each one travels) to dial the intensity up or down — which is why two people can have the same treatment name on their invoice and completely different weeks afterwards.

CO2 Laser Resurfacing Benefits

The reason this treatment survived thirty years of newer, gentler competition is straightforward — for structural skin damage, nothing else does quite the same job.

• Acne scarring. Acne scar CO2 laser resurfacing is where the treatment earns its reputation. Boxcar and rolling scars respond best, since the laser breaks down tethered scar tissue and stimulates new collagen to lift the depressions from below. Ice pick scars are stubborn and often need a combination approach.
• Deep wrinkles. CO2 laser resurfacing for deep wrinkles works on etched-in lines that no longer disappear when your face is at rest — crow’s feet, vertical lip lines, forehead creases.
• Sun damage and pigmentation. Years of Australian summers leave their mark. Resurfacing removes pigmented surface cells and evens out mottled tone.
• Surgical and injury scars. CO2 laser resurfacing for scars can soften raised texture and improve colour blending with surrounding skin.
• Enlarged pores and rough texture. A common side benefit, and for many people the change they notice first.
• Skin laxity. The collagen response provides mild tightening. Mild being the operative word — resurfacing is not a substitute for a surgical lift.

One honest caveat: results build over months, not days. The skin looks worse before it looks better, and the collagen remodelling that delivers the final result continues for up to six months after your session.

Where on the Body It Can Be Used

Full face CO2 laser resurfacing is the most requested version, but the laser is adjusted area by area. Skin thickness, blood supply and healing speed vary enormously across the body, and settings that suit a cheek would be reckless on an eyelid.

CO2 laser resurfacing around the eyes deserves a specific mention. The skin there is the thinnest on the body and the area sits directly over the eyeball, so protective eyewear is non-negotiable and the practitioner’s experience matters more than the machine brand.

CO2 Laser Resurfacing vs Microneedling

Both treatments create controlled micro-injuries to trigger collagen. The difference is the tool and the intensity — one uses heat and removes tissue, the other uses needles and doesn’t.

They’re also not mutually exclusive. Plenty of treatment plans alternate between the two across a year.

CO2 Laser Resurfacing on Darker Skin Tones

CO2 laser resurfacing on dark skin carries a higher risk of post-inflammatory hyperpigmentation — patches that darken as the skin heals. Melanin-rich skin responds to heat and injury by producing more pigment, which is protective in daily life and inconvenient after an ablative laser.

Higher risk is not the same as ruled out. Fitzpatrick types IV to VI can be treated, but the approach changes:

• Conservative settings. Lower density and shallower depth, with more sessions rather than one heavy pass.
• Pre-treatment priming. Several weeks of pigment-regulating skincare before the session to calm melanocyte activity.
• A test patch first. A small, discreet area treated and observed before committing to the full face.
• Disciplined sun avoidance. Non-negotiable before and after, particularly through an Australian summer.
• Practitioner experience with your skin tone. The single most important variable. Ask directly, and ask to see results on skin like yours.

For many deeper skin tones, a lower-risk route delivers a comparable result over a longer timeline — skin needling, targeted pigmentation treatment or a structured course of chemical peels. A consultation that starts with your skin type rather than a treatment name will tell you which column you fall into.

CO2 Laser Resurfacing Cost in Australia

This is the treatment where price transparency gets murky, because “CO2 laser” describes a category rather than a single procedure. A light fractional pass and a deep ablative session sit at opposite ends of the same menu.

Indicative Australian pricing:

How Many Sessions, and How Long It Lasts

Most people need one to three sessions, spaced roughly six to twelve weeks apart so the skin fully recovers between treatments.

One deeper session can address moderate sun damage or fine lines. Established acne scarring more often needs two or three, because scar tissue is remodelled in layers rather than erased in a single pass.

As for longevity — the collagen you build is yours to keep. Results from a well-performed treatment commonly hold for three to five years, and some people see the benefit considerably longer. The catch is that ageing doesn’t pause out of politeness. You keep accumulating sun exposure, and collagen production keeps slowing with time.

What Happens on the Treatment Day and What It Feels Like

Block out two to three hours. Most of that is numbing, not lasering.

Numbing (45–60 minutes). A topical anaesthetic goes on thick and gets left to work. For deeper treatments, a clinic may add nerve blocks or oral sedation. The numbing is the part that makes the rest tolerable, so resist any suggestion of rushing it.

Prep (10 minutes). Skin is cleansed of every trace of product. Protective eyewear goes on — and for any treatment near the eyes, metal corneal shields go in under anaesthetic drops.

The laser pass (15–45 minutes). The handpiece moves methodically across the treatment area. You’ll hear a rhythmic clicking and smell something faintly like singed hair, which is exactly what it is.

Immediately after (15 minutes). Cold air, cooling gel or ice packs, then a thick occlusive ointment.

Downtime and Recovery, Day by Day

The recovery is the reason people hesitate, and the reason some regret booking it two weeks before a wedding. Here’s the realistic timeline for a fractional treatment.

What catches people out is the residual pinkness, which can linger for four to eight weeks and occasionally longer on deeper treatments.

CO2 Laser Resurfacing Aftercare

Your practitioner controls the laser settings. You control everything that happens for the following fortnight, and that half of the equation has more influence on the outcome than most people expect.

Do:

• Keep the skin consistently moist with the occlusive ointment your clinic provides — healing skin should never be allowed to dry out and crust
• Use gentle, lukewarm cleansing only, patting rather than rubbing
• Sleep on your back with an extra pillow for the first few nights to reduce swelling
• Apply cool compresses for comfort through the first 48 hours
• Start broad-spectrum SPF 50+ the moment your practitioner clears you, and keep it up daily
• Take any prescribed antiviral medication for the full course, even if nothing appears

Don’t:

• Pick, peel, scrub or otherwise assist the flaking — this is the single most common cause of scarring and pigment change
• Use actives (retinoids, vitamin C, AHAs, BHAs) until cleared, usually around the two-week mark
• Book swimming, saunas, hot yoga or anything that involves sweating heavily for at least two weeks
• Drink alcohol for the first few days, since it worsens swelling
• Wear makeup before your practitioner says so
• Spend time in direct sun, even briefly, even on a cloudy Melbourne afternoon

CO2 Laser Resurfacing Side Effects and Risks

Expected and temporary, affecting most people: redness, swelling, itching as healing progresses, dryness and flaking, temporary sensitivity, and a tight feeling for a week or two.

Less common but worth knowing about before you sign anything:

• Post-inflammatory hyperpigmentation — darkened patches during healing, more likely on deeper skin tones and usually temporary with proper management
• Hypopigmentation — lightened patches, less common but potentially long-lasting
• Infection — bacterial, or a reactivated cold sore virus, which is why antivirals are prescribed preventatively for anyone with a history of cold sores
• Prolonged redness beyond the expected window
• Scarring — uncommon with appropriate settings and aftercare, and strongly associated with picking at healing skin
• Milia — small white bumps during healing, easily treated
• Ectropion — a rare complication of aggressive eyelid treatment, where the lower lid pulls away

Who Should Postpone or Avoid It

CO2 laser resurfacing is generally unsuitable if you are pregnant or breastfeeding, have taken isotretinoin within the last six to twelve months, have an active skin infection or breakout in the treatment area, have a history of keloid scarring, live with an autoimmune condition affecting healing, or have a recent tan.

A thorough consultation should screen all of this before a single laser setting is discussed. Any clinic willing to book you without that conversation has told you something useful about their standards.

When a Gentler Route Makes More Sense

CO2 laser resurfacing is a substantial commitment of money, recovery time and risk tolerance. For a good number of people, the concern that sent them searching for it responds well to something less disruptive — particularly early texture change, mild scarring, pigmentation and dullness.

Worth considering before you commit to ablative laser:

• Skin needling — collagen stimulation for texture and scarring, with a fraction of the downtime
• Ice pick scar treatment — targeted support for the narrow, deep scars that respond poorly to resurfacing alone
• Chemical peels and BioRePeel — surface renewal for tone, congestion and early texture
• Pigmentation treatment and IPL rejuvenation — for sun damage and uneven tone specifically
• DermaFrac and acne treatment — for active breakouts and the scarring that follows them

The sensible order of operations is to settle active acne first, address pigment second, and consider resurfacing once the skin is calm and stable. Treating a moving target rarely ends well.

At Luxelaser Skin Clinic in Tarneit, a consultation starts with a skin assessment rather than a treatment sale — including an honest conversation about whether what you’re asking for is what your skin needs.

The Bottom Line

CO2 laser resurfacing is the heavyweight option, and it behaves like one. It delivers correction that gentler treatments take years to approach, and it asks for a week of your life, a meaningful budget and strict aftercare in exchange.

Whichever way you’re leaning, start with an assessment rather than a booking.

Book a skin consultation at Luxelaser Skin Clinic in Tarneit to talk through your concerns, your skin type and which approach suits both — with honest guidance on what will move the needle and what won’t.