Skip to main content
Treatments

Laser Skin Resurfacing: Types, Benefits, and Recovery

A comprehensive guide to laser skin resurfacing — comparing ablative and non-ablative options, CO2 versus erbium lasers, what to expect during recovery, and how much treatments cost.

D
Dr. Emily Rodriguez, MD
9 min read

Laser skin resurfacing remains one of the most effective non-surgical treatments for turning back the clock on aged, sun-damaged, or scarred skin. By using focused light energy to precisely remove or remodel damaged skin layers, laser treatments can dramatically improve wrinkles, texture, tone, and overall skin quality in ways that topical products simply cannot match.

But the world of laser treatments can be overwhelming. With dozens of devices on the market — each with different mechanisms, intensities, and recovery profiles — understanding your options is essential for making an informed decision.

How Laser Skin Resurfacing Works

All skin resurfacing lasers work on the same fundamental principle: they deliver controlled energy to the skin, creating a wound-healing response that stimulates new collagen production and cellular renewal.

The differences lie in:

  • Wavelength — determines how the light interacts with tissue
  • Intensity — how much energy is delivered
  • Pattern — whether the entire surface is treated or just a fraction of it
  • Depth — how deeply the energy penetrates

These variables determine everything from the results you can expect to the recovery time required.

Ablative vs. Non-Ablative Lasers

The most fundamental distinction in laser resurfacing is between ablative and non-ablative approaches.

Ablative Lasers

Ablative lasers physically vaporize the outer layers of skin, removing damaged tissue and triggering robust collagen remodeling as the skin heals.

Advantages:

  • Most dramatic results — often visible after a single treatment
  • Significant improvement in deep wrinkles, scars, and sun damage
  • Long-lasting collagen remodeling that continues for months

Disadvantages:

  • Extended downtime (1–3 weeks depending on aggressiveness)
  • Higher risk of complications including infection, scarring, and pigmentation changes
  • More painful — requires local anesthesia or sedation
  • Not suitable for all skin tones (higher risk of hyperpigmentation in darker skin)

Non-Ablative Lasers

Non-ablative lasers heat the deeper skin layers without removing surface tissue, stimulating collagen production while leaving the outer skin intact.

Advantages:

  • Minimal downtime (usually 1–3 days of redness)
  • Lower risk profile
  • Suitable for a wider range of skin tones
  • Can be done during a lunch break in many cases

Disadvantages:

  • Results are more subtle and require multiple sessions (typically 3–6)
  • Cannot address deep wrinkles or significant scarring as effectively
  • Cumulative results take months to fully manifest

Fractional Technology

Both ablative and non-ablative lasers can use fractional technology, which treats only a fraction of the skin surface in a pixelated pattern, leaving untreated "bridges" of healthy tissue between treatment zones. This dramatically reduces healing time while still delivering meaningful results.

  • Fractional ablative offers the best balance of results and recovery for most patients
  • Fractional non-ablative provides the gentlest approach with the fastest recovery

Major Laser Types Explained

CO2 Laser (Carbon Dioxide)

The CO2 laser emits light at 10,600 nm and is considered the gold standard for ablative skin resurfacing.

Best for:

  • Deep wrinkles and severe photodamage
  • Acne scarring
  • Skin laxity and textural irregularities
  • Precancerous skin lesions (actinic keratoses)

What to expect:

  • Single treatment often sufficient for dramatic improvement
  • Recovery: 1–3 weeks of significant downtime with traditional CO2; 5–10 days with fractional CO2
  • Redness may persist for 1–3 months
  • Results continue improving for 6–12 months as new collagen forms

Fractional CO2 (such as Fraxel Repair, ActiveFX, or DeepFX) has largely replaced traditional full-field CO2 resurfacing because it delivers impressive results with significantly reduced recovery and risk.

Erbium Laser (Er:YAG)

The erbium laser operates at 2,940 nm and is absorbed more efficiently by water in the skin, allowing for more precise tissue removal with less thermal damage to surrounding tissue.

Best for:

  • Moderate wrinkles and fine lines
  • Superficial scarring
  • Patients who want ablative results with faster healing
  • Darker skin tones (lower risk of pigmentation issues than CO2)

What to expect:

  • Recovery is typically 5–7 days — faster than CO2
  • Less post-procedure redness and swelling
  • May require 2–3 sessions for optimal results
  • Generally less painful than CO2 laser

Fraxel Dual (1550/1927 nm)

The Fraxel Dual combines two non-ablative wavelengths — one targeting deeper collagen stimulation and one addressing superficial pigmentation.

Best for:

  • Mild to moderate wrinkles
  • Sun spots and pigmentation
  • Acne scars (mild to moderate)
  • General skin rejuvenation with minimal downtime

What to expect:

  • 3–5 treatment sessions spaced 4–6 weeks apart
  • 3–5 days of downtime (redness, swelling, bronzed appearance)
  • Progressive improvement over several months
  • Well-suited to a wider range of skin tones

Other Notable Lasers

  • Nd:YAG (1064 nm): Deep-penetrating non-ablative laser safe for all skin tones; effective for skin tightening and vascular concerns
  • Pulsed Dye Laser (595 nm): Targets blood vessels; useful for redness, rosacea, and vascular lesions
  • IPL (Intense Pulsed Light): Technically not a laser (uses broad-spectrum light), but widely used for pigmentation, redness, and general rejuvenation
  • Picosecond lasers: Emerging technology using ultra-short pulses; showing promise for pigmentation and rejuvenation with less downtime

What Results Can You Realistically Expect?

Results vary based on the laser type, treatment intensity, your skin condition, and individual healing response. General expectations:

Ablative Lasers (CO2, Erbium)

  • Wrinkle improvement: 50–80% reduction in wrinkle depth
  • Texture improvement: Significant smoothing and evening of skin surface
  • Pigmentation: Dramatic improvement in sun spots and uneven tone
  • Scarring: Substantial improvement in acne scars and surgical scars
  • Longevity: Results can last 5–10 years with proper skin maintenance

Non-Ablative Lasers (Fraxel, Nd:YAG)

  • Wrinkle improvement: 20–40% reduction over a series of treatments
  • Texture improvement: Noticeable but more subtle refinement
  • Pigmentation: Good improvement, especially with 1927 nm wavelength
  • Longevity: Results last 1–3 years; maintenance treatments extend benefits

Recovery Timelines

Fractional CO2 Laser

  • Days 1–3: Significant swelling, oozing, and raw skin. Keep moist with recommended ointment.
  • Days 3–7: Swelling decreases, skin begins crusting and peeling. Avoid picking.
  • Days 7–14: New pink skin emerges. Gentle skincare can begin.
  • Weeks 2–6: Persistent pinkness or redness gradually fades. Makeup can typically cover remaining redness.
  • Months 1–6: Ongoing collagen remodeling. Continued improvement in texture and firmness.

Fractional Erbium

  • Days 1–3: Moderate swelling and redness, less oozing than CO2.
  • Days 3–5: Peeling and flaking.
  • Days 5–7: Most redness resolves. Social activities can typically resume.
  • Weeks 2–4: Continued improvement; minimal residual pinkness.

Non-Ablative Fractional (Fraxel Dual)

  • Days 1–2: Swelling and redness resembling a moderate sunburn.
  • Days 2–5: Bronze-tinted appearance as treated tissue darkens before shedding.
  • Days 5–7: Skin returns to normal appearance. Full activities resume.

Cost Considerations

Laser resurfacing is a significant investment, and costs vary widely based on location, provider, and treatment intensity:

  • Fractional CO2 laser: $1,000–$5,000 per session
  • Full-field CO2 laser: $2,000–$8,000 per session
  • Fractional erbium: $800–$3,000 per session
  • Fraxel Dual: $800–$1,500 per session (multiply by 3–5 sessions)
  • IPL: $300–$600 per session (3–5 sessions recommended)

Most laser treatments are considered cosmetic and are not covered by insurance. Many practices offer financing options.

Choosing the Right Laser for You

Consider Your Goals

  • Deep wrinkles and significant sun damage: Fractional CO2 or erbium
  • Mild lines and general rejuvenation: Fraxel Dual or non-ablative options
  • Pigmentation-focused concerns: IPL, Fraxel Dual, or picosecond lasers
  • Acne scarring: Fractional CO2 for severe; Fraxel for mild to moderate

Consider Your Lifestyle

  • Can take 1–2 weeks off? Ablative options offer the most dramatic results
  • Need minimal downtime? Non-ablative fractional lasers allow quick return to normal activities
  • Have darker skin? Erbium, Nd:YAG, or picosecond lasers carry lower pigmentation risk

Finding the Right Provider

This is arguably the most important factor in your outcome:

  • Choose a board-certified dermatologist or plastic surgeon experienced with laser treatments
  • Ask about their specific experience with the laser being recommended
  • Request before-and-after photos of patients with similar skin types and concerns
  • Verify the practice uses FDA-cleared devices
  • Be cautious of heavily discounted treatments — laser outcomes are directly tied to practitioner skill

Pre-Treatment and Post-Care Essentials

Before Your Treatment

  • Avoid sun exposure and tanning for 4–6 weeks prior
  • Stop retinoids 5–7 days before treatment
  • Discontinue blood-thinning supplements
  • Your provider may prescribe antiviral medication if you have a history of cold sores
  • Some providers recommend a pre-treatment skincare regimen to optimize results

After Your Treatment

  • Follow your provider's wound care instructions meticulously
  • Keep treated skin moist with recommended products
  • Avoid direct sun exposure and apply SPF 50 religiously once skin has healed
  • Skip active ingredients (retinol, acids, vitamin C) until fully healed
  • Do not pick, peel, or scratch healing skin
  • Stay hydrated and maintain a healthy diet to support healing

The Bottom Line

Laser skin resurfacing offers some of the most dramatic and long-lasting anti-aging results available without surgery. The key is matching the right laser to your specific concerns, skin type, and lifestyle — and choosing an experienced, qualified provider.

Key Takeaways:

  • Ablative lasers (CO2, erbium) deliver the most dramatic results but require the most downtime
  • Non-ablative fractional lasers offer meaningful improvement with minimal recovery
  • Fractional technology has revolutionized the field, offering the best balance of results and safety
  • Recovery ranges from a few days (non-ablative) to 2–3 weeks (ablative)
  • Results can last years with proper skincare and sun protection maintenance
  • Provider expertise is the single most important factor in your outcome
  • Multiple laser types can be combined strategically for comprehensive rejuvenation
  • Always get a thorough consultation before committing to any laser treatment

When done well, laser resurfacing can deliver the kind of transformation that no topical product can replicate — making it one of the most valuable tools in modern anti-aging medicine.

Get our weekly research roundup

One email a week with the latest anti-aging research, ingredient deep-dives, and treatment breakdowns. No fluff.

Free forever. Unsubscribe in one click.