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Fractional CO2 Laser: What It Does to the Skin and Why It's Different

Fractional CO2 laser is a medical aesthetic treatment that renews the skin surface, stimulates collagen production, and improves skin texture.

September 8, 2026
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Fractional CO2 Laser: What It Does to the Skin and Why It's Different

Fractional CO2 laser is an advanced medical technology that uses light beams to renew the skin surface, stimulate collagen production, and improve skin texture. It acts on wrinkles, expression lines, and scars, offering controlled recovery. Its precision distinguishes it from other rejuvenation procedures.

Unlike traditional ablative CO2 lasers, which remove the entire top layer of the skin, fractional technology creates micro-columns of thermal treatment. These micro-columns stimulate the natural production of collagen and elastin, leaving areas of intact skin around each micro-lesion. This fractional approach allows for faster recovery and reduces the risks associated with full ablative treatments, while maintaining efficacy.

The heat generated by the laser vaporizes the superficial layers of damaged skin, resulting in deep cellular renewal. It is a procedure performed exclusively by board-certified doctors, ensuring maximum safety and a professional approach.

Why is fractional CO2 laser different and what is it indicated for?

The main difference of fractional CO2 laser lies in its precision and ablation control. By creating micro-treatment zones, it allows for faster regeneration and less downtime than full ablative lasers. Its ability to naturally stimulate new collagen production distinguishes it from superficial treatments, leading to a progressive improvement in skin quality.

At Santé Clínica Estética, fractional CO2 laser is indicated for various skin conditions that require significant renewal:

  • Wrinkles and expression lines: Helps to improve the appearance of fine and moderate wrinkles, especially around the eyes and mouth.
  • Scars: Helps reduce the visibility of acne scars, surgical scars, and stretch marks.
  • Skin texture: Helps to refine pores and overall skin texture.

Other treatments like IPL or ClearLift act at different levels, focusing on pigmentation or collagen stimulation without superficial ablation, making them complementary or alternative depending on the specific concern.

Treatment process and recovery

Before any fractional CO2 laser treatment, a detailed medical consultation is performed to evaluate the skin and determine the appropriate protocol. The procedure is carried out in the clinic and usually requires topical anesthesia.

During the session, the doctor applies the laser to the treatment area, controlling the energy and depth. The duration varies depending on the area. After the treatment, the skin will be red and swollen, similar to a severe sunburn. It is crucial to follow the doctor's instructions for post-treatment care.

Flowchart of the fractional CO2 laser treatment process
Flowchart of the fractional CO2 laser treatment process

Recovery and post-treatment care table

Phase Common Symptoms Essential Care Typical Duration
Immediate Intense redness, swelling, warm sensation Cold compresses, avoid direct sun exposure, gentle hydration 1-3 days
Initial Skin with fine scabs, peeling, sensitivity Gentle cleansing, repairing creams, strict sun protection, no makeup 3-7 days
Resolution Residual redness, more sensitive skin, progressive texture improvement Strict sun protection, continuous hydration, avoid exfoliants 1-4 weeks

Results are progressively appreciated as the skin regenerates and collagen remodels. It is recommended to perform the treatment during the autumn and winter months to minimize sun exposure, which is crucial to avoid during recovery.

Key points

  • Fractional CO2 laser renews the skin by stimulating collagen and elastin production.
  • It is a treatment for wrinkles, acne scars, and overall texture improvement.
  • Its fractional technology allows for controlled recovery compared to full ablative lasers.
  • Results are gradual and consolidate post-treatment.
  • Strict sun exposure avoidance is essential before and after the procedure.

How Santé Clínica Estética approaches it

At Santé Clínica Estética, the application of fractional CO2 laser is a medical procedure performed exclusively by our team of board-certified doctors. We always start with a medical assessment consultation, where we evaluate your skin type, your aesthetic concerns, and your expectations individually. This consultation costs 50€.

We design a personalized treatment protocol, adjusting the intensity and depth of the laser to your specific skin needs. Our goal is to obtain results that harmonize with your physiognomy. We will provide you with all the information about the procedure, post-treatment care, and necessary follow-up.

Our clinic, located on Avenida Diagonal in Barcelona, offers an environment of trust and professionalism. Our multilingual team will assist you in Spanish, English, Portuguese, or Russian, ensuring clear and effective communication at all times. We understand that your peace of mind is as important as the effectiveness of the treatment.

Frequently asked questions

How many fractional CO2 laser sessions are needed?

The number of sessions varies depending on the skin condition and individual goals. Our medical team will determine the most suitable plan after your assessment.

Is fractional CO2 laser treatment painful?

Before the procedure, a topical anesthetic cream is applied to minimize discomfort. During the session, you may feel a warm sensation or small pinpricks. Afterward, the skin may feel like a sunburn, which is managed with the indicated post-treatment care.

When are the results of fractional CO2 laser noticeable?

The first signs of improvement in skin texture and tone can be observed once the initial peeling has subsided. More significant improvement and collagen stimulation continue progressively. Results vary by individual.

What care should I take after the treatment?

Post-treatment care is essential for good recovery and optimal results. This includes gentle skin cleansing, application of repairing creams, and strict sun protection. It is crucial to avoid direct sun exposure and not to manipulate scabs or peeling skin.

What is the price of fractional CO2 laser at Santé Clínica Estética?

The price of fractional CO2 laser varies depending on the area and intensity of the treatment. Below are the prices by area and intensity:

Area Gentle Intensity Medium Intensity Strong Intensity Very Strong Intensity
Full Face 400€ 600€ 1.200€ 1.500€
Periocular or Peribucal 300€ 400€ 600€ 1.200€
Neck and Decolletage 400€ 600€ 1.200€ 1.500€
Acne Scars - 400€ 600€ -
Surgical Scars - 250€ (small) / 400€ (large) - -
Stretch Marks - 250€ (small area) / 400€ (large area) - -

During your medical consultation, we will provide you with a detailed and personalized quote.

Generalitat de Catalunya - Departament de Salut - Direcció General d'Ordenació i Regulació SanitàriaFinanciado por la Unión Europea - NextGenerationEU, Gobierno de España, ENISA, Plan de Recuperación, Transformación y Resiliencia