Acne Scar Laser Guide in Toronto: CO2 vs Fraxel vs Pico by Scar Type

by | Apr 2, 2026 | Face, Treatments

Stop Guessing at Your Scar Laser Choice: Choose with Confidence

Choosing acne scar treatment in Toronto can feel confusing. There are many laser types, mixed opinions online, and strong social media trends. One person swears by CO2, another prefers fractional lasers, and someone else says Pico is the only way to go. It is understandable that people feel stressed before a qualified health professional has even assessed their skin.

This information is intended for general educational purposes only and does not replace an in-person medical assessment with a licensed physician. Individual assessment is required to determine whether any treatment is appropriate or safe for you, and individual results and experiences can vary.

This guide describes 3 broad laser categories sometimes used for acne scars, CO2, fractional non-ablative (often known as Fraxel-type), and Pico, and how scar type, skin tone, downtime, and budget may play a role in decision-making. In Toronto, many people plan scar treatments during cooler months so their skin has time to heal and so sun exposure can be more easily managed. Sun care is a key part of that planning.

Start with Your Scars: What You See vs. What Is Assessed Clinically

Many people look in the mirror and see a mix of marks and uneven spots, such as:

  • red marks that linger after a breakout  
  • brown spots that look like stains  
  • small “holes” or dips in the skin  
  • patches that look bumpy or uneven in certain light  

In medical terms, post-acne changes are often grouped into a few main categories:

  • Atrophic scars: Ice pick, boxcar, and rolling scars that look indented  
  • Hypertrophic or keloid scars: Raised, firm, sometimes itchy or tender  
  • Post-inflammatory erythema or hyperpigmentation: Flat red or brown marks  

What you see is important, but in the clinic a physician or qualified professional also evaluates the following:

  • Depth and width of each scar  
  • Whether the scar is tethered or stuck to deeper tissue  
  • Overall skin thickness and oiliness  
  • General health, medications, and healing history  

True ice pick scars, which look like narrow, deep pits, often do best with combination approaches, such as manual techniques with or without lasers. Raised hypertrophic or keloid scars are different again and may require non-laser strategies or very cautious laser protocols, if any are used at all.

A proper, in-person consultation at a clinic with appropriate medical supervision, in line with College of Physicians and Surgeons of Ontario (CPSO) expectations and Canada regulations, is needed before starting any acne scar treatment. This is especially important if you have:

  • a history of keloids or raised scars  
  • past or current isotretinoin use  
  • darker skin tones  
  • medical conditions or medications that affect healing  

CO2 Lasers: Deep Resurfacing for Stubborn Texture Change

CO2 lasers are ablative resurfacing devices. They remove tiny columns of skin and trigger collagen remodelling as the skin heals. For appropriately selected patients, this may help deeper atrophic scars, such as boxcar scars and some rolling scars, and more severe texture change.

Typical expectations with CO2:

  • More noticeable change in texture per session compared with some gentler options  
  • Crusting, redness, and swelling  
  • Social downtime that may last about 1 to 2 weeks  
  • The need for careful cleansing, moisturising, and sun protection  

Because CO2 is powerful, it also carries higher risks if it is  used on unsuitable skin types or without appropriate medical supervision. Potential risks and side effects, particularly if aftercare instructions are not followed or if individual healing is atypical, can include prolonged redness, infection, scarring, worsening of scarring, hypopigmentation, hyperpigmentation, and textural irregularities. No laser procedure is risk-free, and no specific outcome can be guaranteed.

CO2 resurfacing may be more appropriate for:

  • lighter skin tones where the risk of pigment change can be lower  
  • people who can accept more downtime  
  • patients who are committed to strict aftercare and follow-up  

CO2 is sometimes thought of as “one and done,” but that is rarely accurate. Multiple sessions may still be required, and it is often combined with other techniques. It can also sit at the higher end of the cost range per session. Fees vary widely depending on the provider, the extent of the treatment, and the region, and any decisions about cost should be made after a detailed consultation.

Fractional Non-Ablative Lasers: Balance of Results and Recovery

Fractional non-ablative lasers (often called Fraxel-type lasers) heat tiny zones of skin at depth while leaving the surface more intact. This can mean shorter downtime compared with fully ablative CO2 for many patients, though redness, swelling, and temporary darkening or lightening of the skin can still occur.

These lasers may help:

  • soften mild to moderate rolling scars  
  • improve some shallow boxcar scars  
  • refine overall texture and tone  
  • support gradual collagen growth over a series of treatments  

People who may be suitable candidates for fractional non-ablative options:

  • Those with mild to moderate atrophic scarring  
  • Individuals who cannot take long periods away from work or school  
  • Some people with medium skin tones, where CO2 may carry more pigment risk  

Several sessions are usually needed, spaced over months. For many people, that can be helpful, because it allows them to:

  • spread treatments across different seasons  
  • adjust based on how the skin responds  
  • plan around trips, events, and busy periods  

Per-session costs are often lower than CO2, but because more sessions are typically required, the total financial commitment may still be significant. Pricing is variable and should be discussed in detail with the treating clinic.

Pico Lasers: Tone, Pigment, and Early Scars

Pico lasers use ultra-short pulses of energy. They are often used for pigment and general skin rejuvenation. In some cases, they can be part of a combined plan for more superficial or early acne-related changes.

Pico lasers are not a guaranteed solution for deep acne scars. Where Pico may be helpful is in areas:

  • Post-inflammatory hyperpigmentation (brown marks after acne)  
  • Ongoing redness after breakouts settle  
  • Mild textural change and early, shallow scarring  
  • Blending tone in skin that looks patchy or uneven  

For patients with darker skin tones, Pico and other pigment-focused devices may offer an option when used with care by an experienced provider. Treatments are usually relatively quick, and downtime is often shorter (for example, some redness or mild swelling that settles over a few days). There is always some risk of pigment change, scarring, burns, or other side effects, which must be reviewed during a medical consultation.

Compared with CO2, Pico usually delivers more subtle scar texture change, so expectations must be realistic. During consultation, topics typically include the following:

  • How many sessions might be reasonable  
  • Whether your main concern is colour, texture, or both  
  • Which other treatments could be combined with Pico, if any  

Matching Laser Choice to Skin Tone, Downtime, and Budget

You are not expected to memorise every laser type. A simpler way is to consider your main concerns alongside your skin and lifestyle, and then review this with a qualified physician.

In broad terms, and only as a rough guide (not a treatment recommendation):

  • Deeper atrophic scars on lighter skin, with more flexibility for downtime and higher per-session spend, may be considered for CO2 if medically appropriate.  
  • Mixed texture and tone issues, with limited downtime, may be considered for fractional non-ablative options.  
  • Mostly red or brown marks, very early scars, or higher Fitzpatrick skin types may be considered for Pico or other pigment-focused treatments.  

Before any recommendation, important risk factors are reviewed:

  • Personal or family history of keloids or abnormal scars  
  • Past pigment changes from minor injuries or procedures  
  • Recent or past isotretinoin use  
  • Autoimmune conditions or medications that affect healing  

In Toronto and similar climates, many people plan acne scar treatment in spring or fall, because sun exposure is often easier to manage than in peak summer, and there is time for collagen remodelling before major events. Sun protection is essential before and after any laser procedure. That includes broad-spectrum sunscreen, hats, and being mindful of outdoor time, especially immediately after treatment.

Take the Next Step: Discuss a Physician-Guided Scar Plan

You are not expected to choose your own laser or to request a specific machine by name. The key is understanding why a physician might suggest CO2, a fractional non-ablative option, Pico, a combination of treatments, or a non-laser approach, based on your clinical assessment and goals.

A consultation with a licensed physician or appropriately supervised health professional should include a careful medical history, medication review, and detailed skin examination. Bringing your skincare products, any oral or topical medications, and information about timing needs (such as weddings, graduations, or travel) can help inform your plan.

From there, you and your treating physician can discuss a realistic acne scar treatment strategy that respects your skin, your lifestyle, and your comfort level. All decisions should be made within an evidence-informed, physician-supervised framework that aligns with Canada’s regulations and CPSO standards of practice. No outcome can be guaranteed, and you always have the option to decline or delay treatment after reviewing risks, benefits, alternatives, and costs in detail.

Start Your Journey to Smoother, Clearer Skin Today

If acne scars are affecting your confidence, we invite you to explore our advanced options for acne scar treatment in Toronto. At Sovereign Skin, we personalise every treatment plan to your skin, goals, and comfort level. Book a confidential consultation so we can assess your skin in person and recommend the most effective approach. If you are ready to take the next step, simply contact us, and our team will help you get started.

Aesthetic Team

Aesthetic Team

Sovereign Skin

Articles on the Sovereign Skin blog are written and medically reviewed by licensed aesthetic professionals with hands-on clinical experience in cosmetic injectables and skin treatments. Our team follows current medical guidelines and evidence-based practices to ensure accurate, trustworthy information that helps readers make informed decisions about aesthetic care.

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