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Acne Scars: Types and Treatments at Santé

Acne scars are permanent marks on the skin resulting from acne inflammation. There are different types, such as "ice pick", "rolling", and "boxcar", and each requires a specific treatment approach.

September 27, 2026
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Understanding the Different Types of Acne Scars

Acne scars are a common concern we address at our clinic. Not all scars are the same; their appearance and how they respond to treatment vary significantly depending on their morphology.

Correctly identifying the type of scar is the crucial first step to establishing an effective and personalized treatment plan. Our medical team conducts a thorough evaluation to determine the most suitable approach for each patient.

"Ice Pick" Scars

"Ice pick" scars are small, narrow, and deep, resembling a puncture or an ice pick. They extend vertically into the dermis, which makes them particularly difficult to treat superficially.

This type of scar is the result of a deep inflammatory lesion that destroys collagen and adipose tissue. They are often located on the cheeks and forehead, and their treatment requires methods that reach the deeper layers of the skin.

"Rolling" Scars

"Rolling" scars are characterized by broad, smooth depressions in the skin, giving a wavy or "rolled" appearance. They are the result of fibrous bands of connective tissue that pull the epidermis downwards, anchoring it to deeper structures.

These scars can become more evident with age, as the skin loses elasticity and volume. Their treatment aims to release these bands and stimulate collagen production to fill the depression.

"Boxcar" Scars

"Boxcar" scars are oval or round depressions with well-defined vertical edges, similar to chickenpox scars. They can be superficial or deep, and their size varies.

They form when acne inflammation destroys collagen in a specific area, leaving an unsupported zone. The depth and size of the "boxcar" scar influence the choice of the most effective treatment.

Treatment Options at Santé Clinics

At Santé Clínica Estética, our approach to acne scar treatment is always medical and personalized. We use advanced technologies and combined protocols to optimize results, always under the supervision of our board-certified doctors.

Combining different techniques often yields the best results, as each scar type may respond differently. The initial medical assessment is fundamental to designing this plan.

Scar Type Characteristics Recommended Treatments at Santé
Ice Pick Small, narrow, and deep, like a puncture. Fractional CO2 laser (strong intensity), Erbium Laser, subcision.
Rolling Broad, smooth depressions, wavy appearance. Subcision, dermal fillers (hyaluronic acid, Sculptra), fractional CO2 laser, microneedling with exosomes.
Boxcar Oval or round depressions with defined edges. Fractional CO2 laser, Erbium Laser, microneedling with exosomes, dermal fillers.

Fractional CO2 Laser for Acne Scars

Fractional CO2 laser is a very effective tool for treating acne scars, especially "boxcar" and some "rolling" scars. This laser creates micro-columns of energy in the skin, stimulating collagen production and cell regeneration.

At Santé, we offer fractional CO2 laser with different intensities (mild, medium, strong, very strong) to adapt to individual needs and patient recovery time. It can be applied to the full face or specific areas, such as acne scars.

"Fractional CO2 laser is one of the most versatile treatments for improving skin texture and reducing the appearance of atrophic acne scars, with potentially significant improvement after a course of sessions." — Dr. Sol Monsalve, Medical Director of Santé Clinics.

CO2 laser treatment for acne scars costs €400 for medium intensity and €600 for strong intensity per session. Results vary by individual and scar severity.

Erbium Laser for Resurfacing

The Erbium 2940nm laser is another ablative resurfacing option we use to improve skin texture and the appearance of acne scars. It is especially useful for more superficial scars and for general skin rejuvenation.

This laser allows precise control of the ablation depth, meaning the doctor can adapt the treatment to the severity of the scars and the patient's skin type. Full-face Erbium laser costs €500 per session.

Microneedling and Exosomes for Regeneration

Microneedling, also known as collagen induction therapy, uses micro-needles to create controlled punctures in the skin. This stimulates the body's natural healing response and the production of new collagen and elastin.

We combine microneedling with exosomes (€250 per session), which are extracellular vesicles containing growth factors and proteins that enhance cell regeneration and tissue repair. It is an excellent option for improving overall skin quality and the appearance of milder "rolling" and "boxcar" scars.

Subcision and Dermal Fillers

For deep "rolling" scars, subcision can be a very effective technique. It involves releasing the fibrous bands that pull the skin downwards, allowing the skin surface to elevate. This procedure is performed with a special needle.

Once released, scars can be filled with hyaluronic acid (price varies depending on the type and quantity of product used in the specific area) or biostimulators like Sculptra (€500 per vial), which stimulate long-term collagen production. This combination addresses the depression and improves the volume of the affected area.

Treatment Protocol at Santé Clinics

Our process begins with a detailed medical assessment to understand your concerns and the nature of your acne scars. This is a fundamental step to ensure a safe and effective plan.

Flowchart of acne scar treatment protocol at Santé Clinics
  1. Initial Medical Consultation
  2. Scar and Skin Evaluation
  3. Personalized Plan Design
  4. Skin Preparation
  5. Treatment (Laser, Microneedling, etc.)
  6. Post-Treatment Care
  7. Follow-up Sessions
  8. Final Results Evaluation

Results vary depending on the type and severity of the scars, as well as the individual response of each patient. Improvement is progressive and is assessed in the weeks and months following treatment, as collagen regenerates.

It is important to have realistic expectations and understand that while we can significantly improve the appearance of scars, complete "elimination" is not always possible. Our goal is a noticeable improvement and smoother, more even skin.

Key Points

  • There are three main types of acne scars: "ice pick" (deep and narrow), "rolling" (wavy and broad), and "boxcar" (depressions with defined edges).
  • Each scar type requires a specific treatment approach to achieve the best results.
  • At Santé Clinics, we offer treatments such as fractional CO2 laser, Erbium laser, microneedling with exosomes, subcision, and dermal fillers.
  • Combining techniques is often the most effective strategy, always under medical supervision.
  • An initial medical assessment is crucial to design a personalized plan and set realistic expectations.
  • Results are progressive, and improvement is observed over several weeks or months.

Frequently Asked Questions

How long does it take to see results in acne scar treatment?

The time to observe significant results varies depending on the type of scar and the treatment applied. Generally, collagen regeneration is a gradual process that can take several weeks or months. Improvement is assessed in the weeks and months following treatment, as collagen regenerates.

Are acne scar treatments painful?

Most treatments are performed with the application of topical anesthesia to minimize any discomfort. Some procedures, such as CO2 laser or subcision, may generate a sensation of heat or pressure, but they are well tolerated. Our medical team ensures your comfort throughout the process.

What care should I take after a laser treatment for scars?

After an ablative laser treatment such as CO2 or Erbium, it is essential to follow our medical team's instructions. This includes using repairing creams, strict sun protection with SPF 50+, avoiding direct sun exposure, and not picking at any scabs that may appear. Recovery time can vary from 5 to 10 days, depending on the intensity of the treatment.

Can I combine different treatments for my acne scars?

Yes, in fact, combining different treatment modalities is a very effective strategy for addressing acne scars, as different aspects of scarring can be treated. Our specialist doctor will design a combined protocol tailored to your needs, which could include laser, microneedling, subcision, or fillers.

How Santé Clinics Addresses It

At Santé Clínica Estética, we understand that acne scars can significantly affect confidence. Our medical team, led by Dr. Sol Monsalve, approaches each case with a thorough medical assessment.

We design a personalized protocol for each patient, combining the most advanced technologies with the experience of our specialists. The aesthetic consultation is free, and we are available to assist you in Spanish, English, Portuguese, and Russian at our clinic on Avenida Diagonal 384, Barcelona.

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