Fraxel® vs. CO2 Laser: Which Is Best for Your Skin Concerns?

Skin resurfacing treatments saw a 6% increase in 2024 alone, with over 3.7 million procedures performed across the U.S., according to the American Society of Plastic Surgeons. That kind of growth tells you something: people are serious about getting real, lasting improvements in their skin, and lasers deliver where creams and facials fall short.

If you’ve been researching your options, two names have probably come up more than any others: Fraxel and CO2. They’re considered the gold standard of laser resurfacing, and for good reason. They work. But they work in very different ways, and choosing the wrong one for your particular skin type or concern could mean unnecessary downtime, underwhelming results or, in some cases, complications.

At Senza Aesthetic Medicine in Redlands, we offer Fraxel laser skin resurfacing and CO2 laser skin resurfacing. Dr. Leonardo Rasi and our team of laser specialists have been performing these treatments for over 20 years, and one of the most common questions we hear during consultations is, “Which laser should I get?” The honest answer is that it depends entirely on what your skin needs, how much recovery time you can handle and what kind of results you’re after.

How Does Fraxel® Work?

Fraxel is a non-ablative fractional laser. In practical terms, that means it heats targeted columns of tissue beneath the skin’s surface without actually removing the outer layer. The surrounding untreated skin stays intact, which gives your body a head start on healing. Your skin responds to the controlled thermal energy by producing fresh collagen and cycling out damaged cells, gradually replacing them with healthier tissue over the course of several weeks.

The Fraxel system at Senza uses dual wavelengths of 1550 nm and 1927 nm. The deeper 1550 nm wavelength addresses textural issues like fine lines and scarring, while the 1927 nm wavelength focuses on surface-level pigmentation problems such as melasma, sun spots and age spots. This dual-wavelength approach lets our team target multiple concerns in a single session.

Facial treatments with Fraxel take just 20 to 25 minutes, and most patients describe the sensation as a mild prickling or warming feeling. Recovery is relatively quick, with redness and some flaking typically resolving within four to five days.

How Does CO2 Laser Resurfacing Work?

CO2 laser resurfacing operates on a fundamentally different principle. It’s an ablative laser, which means it vaporizes the damaged outer layers of skin with concentrated carbon dioxide (CO2) laser energy. This removal process triggers an aggressive healing response, stimulating significant collagen and elastin production in the deeper dermal layers.

We use the DEKA DOT Fractional CO2 system, which is fractional in its approach. Rather than treating the entire skin surface at once (as older, fully ablative CO2 lasers did), the DEKA DOT delivers an array of tiny laser beams that treat a fraction of the skin at a time. Columns of untouched skin between the treated zones help speed up recovery and lower the risk of complications compared to traditional full-field CO2 resurfacing.

The result is a more dramatic improvement in fewer sessions, but with a longer recovery window. You can expect about seven days of redness, irritation and potential swelling, with some patients experiencing effects similar to a moderate sunburn during that time.

What Does Each Resurfacing Laser Treat Best?

While there is overlap in what Fraxel and CO2 can address, each laser has a sweet spot where it outperforms the other.

Fraxel® Excels At:

• Mild to moderate sun damage, melasma and hyperpigmentation
• Fine lines and early signs of aging
• Surface-level textural irregularities and acne scarring
• Maintenance treatments for patients who’ve already had more aggressive resurfacing

View Fraxel before and after photos.

CO2 Laser Excels At:

• Deep wrinkles and advanced sun damage
• Moderate to severe acne scars and surgical scars
• Pronounced textural concerns that haven’t responded to gentler treatments
• Patients seeking more dramatic results in fewer sessions

If your primary complaint is blotchy pigmentation or melasma, Fraxel’s 1927 nm wavelength was specifically designed for that concern. On the other hand, if you have deep-set wrinkles or significant scarring that hasn’t budged with lighter treatments, the CO2 laser’s ability to penetrate and resurface more aggressively is where it shines.

Downtime and Recovery: The Deciding Factor for Many Patients

For a lot of people, the question of which laser to choose comes down to one practical consideration: How much time can you take off from your normal routine?

Downtime With Fraxel®

Fraxel requires minimal social downtime. Most patients can wear makeup within four to five days and resume regular activities within a day or two. You may look a little pink and experience some flaking as the old skin sheds, but it’s manageable enough that many patients schedule their sessions on a Friday and are back at work on Monday.

Downtime With CO2 Laser

CO2 resurfacing asks more of you. Plan on at least a week where your skin will be noticeably red and potentially swollen, with peeling that can last several days beyond that. Makeup application during this time is off the table, and direct sun exposure should be avoided for weeks afterward. The payoff, however, is that CO2 can produce results in one or two sessions that Fraxel might take three to five sessions to match.

“The technology is only as good as the person using it,” Dr. Rasi often reminds patients. “We spend a lot of time during consultations making sure you understand what each laser can do for your skin specifically, so there are no surprises during recovery or when you see your results.”

Skin Tone Matters More Than You Think

One factor that doesn’t get enough attention in online comparisons is skin tone. Fraxel is generally considered safer for a wider range of skin tones, including medium and olive complexions, because its non-ablative approach carries a lower risk of post-inflammatory hyperpigmentation (PIH). CO2 lasers are typically recommended for lighter skin types, since the more aggressive ablative energy can sometimes cause pigment changes in darker skin tones.

At Senza, we always assess skin tone during consultations before recommending a laser skin resurfacing treatment. This evaluation helps our team determine which laser will be safe and effective for you, because a treatment that causes complications defeats the purpose entirely.

Can You Combine Fraxel® and CO2 Treatments?

Yes, and many patients do. A common approach is to use CO2 laser resurfacing for an initial deep correction and then maintain those results with periodic Fraxel sessions every six to 12 months. This strategy gives you the dramatic improvement of CO2 without needing to repeat that level of downtime regularly.

Some patients also find that starting with Fraxel makes sense if their concerns are moderate. If they want more aggressive correction later, CO2 can always be the next step. Your treatment plan should reflect where your skin is right now and where you want it to go over the coming months and years.

What About Other Facial Rejuvenation Options?

If you’re exploring all your options, Senza also offers microneedling with PRP and RF microneedling. PRP (platelet-rich plasma) microneedling uses growth factors from your own blood to accelerate healing and collagen production, while RF (radiofrequency) energy with microneedling boosts collagen stimulation and skin tightening. These are excellent options for patients who want skin texture improvement with even less downtime than Fraxel but aren’t looking for the level of correction that laser resurfacing provides.

For patients dealing with specific concerns like acne, visible veins or redness from rosacea, other laser technologies at our practice may be a better fit. That’s why a consultation matters so much. The right treatment isn’t always the most popular one or the most expensive one; it’s the one that matches what your skin actually needs.

Why Your Choice of Provider Matters as Much as Your Choice of Laser

Here’s something worth saying plainly: the laser device in the room is less relevant than the person operating it. An experienced provider who understands skin anatomy, laser physics and how different skin types respond to treatment will consistently get better results than someone with less training using the same equipment.

Dr. Rasi has devoted his career to cosmetic laser treatments and has proudly served the Redlands community since 1999. He also works as an educator for laser companies, which speaks to the depth of his technical knowledge. When you sit down for a consultation at Senza, you’re getting an honest assessment from someone who has performed these treatments thousands of times and will tell you straightforwardly what a laser can and cannot do for you.

The Bottom Line With Laser Skin Resurfacing

Fraxel and CO2 lasers are two of the most effective skin resurfacing tools available, and neither one is universally “better” than the other. Fraxel is the smarter choice when you want gradual improvement with minimal downtime, have pigmentation-focused concerns or have a medium to darker skin tone. CO2 is the right call when you need deeper correction, are willing to commit to a longer recovery period and have lighter skin.

The only way to know which treatment will deliver the results you’re looking for is to have your skin evaluated in person by a qualified professional who can walk you through the pros and cons specific to you.

Put Your Skin in Hands That Know Lasers Inside and Out

Ready to find out which laser resurfacing treatment can give your skin the reset it deserves? Schedule a consultation at Senza Aesthetic Medicine in Redlands, where Dr. Rasi and our team have been helping patients get real results with advanced laser technology for over two decades.

Call us at 909-793-3563 or contact us online today!