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April 6, 2026

TCA CROSS for Enlarged Pores: A Comprehensive Guide

TCA CROSS is a targeted chemical peel using trichloroacetic acid to minimize enlarged pores and acne scars. Learn about the procedure, recovery, and results.

What is TCA CROSS? TCA CROSS is a chemical reconstruction of skin scars (CROSS) technique using high concentrations of trichloroacetic acid (TCA) to treat ice pick scars and enlarged pores.

How Does it Work? TCA is precisely applied to each pore, stimulating collagen production and reducing pore size over time.

What to Expect? Expect redness, frosting, and small scabs that heal within a week, revealing smoother skin.

Who is a Good Candidate? Ideal for individuals with prominent, enlarged pores or ice pick acne scars seeking a minimally invasive solution.

Understanding Enlarged Pores and TCA CROSS

Enlarged pores are a common skin concern, often caused by genetics, excessive sebum production, decreased skin elasticity, and sun damage. These factors can stretch the pores, making them more visible and affecting the overall texture of the skin. While various treatments exist, TCA CROSS (Trichloroacetic Acid Chemical Reconstruction of Skin Scars) stands out as a highly effective method for targeting and minimizing enlarged pores, particularly ice pick scars, at their source.

TCA CROSS involves the precise application of a high concentration of trichloroacetic acid (typically 70-100%) directly into each enlarged pore or scar. This targeted approach triggers a controlled chemical injury, prompting the body's natural healing response. The process stimulates fibroblasts, cells responsible for collagen production, leading to the formation of new collagen and elastin fibers within the treated pore. Over time, this collagen remodeling reduces the size and depth of the pore, resulting in a smoother, more refined skin surface.

The TCA CROSS Procedure: What to Expect

The TCA CROSS procedure is typically performed in a dermatologist's or aesthetic clinic's office. Here's a step-by-step overview of what you can expect:

  1. Consultation: Your journey begins with a consultation at Santé Clinics Barcelona. During this appointment, our expert medical team will assess your skin, discuss your goals, and determine if TCA CROSS is the right treatment for you. We will also explain the procedure in detail and address any questions or concerns you may have.
  2. Preparation: The treatment area is thoroughly cleansed to remove any dirt, oil, or makeup. In some cases, a topical numbing cream may be applied to minimize discomfort during the procedure.
  3. Application: A small amount of TCA is carefully applied directly into each enlarged pore or scar using a toothpick or a similar applicator. The application is precise to ensure that only the targeted area is treated.
  4. Frosting: Immediately after application, the treated area will develop a white "frosting" effect. This is a normal reaction indicating that the TCA is working.
  5. Post-Treatment: After the procedure, a soothing ointment or healing balm may be applied to protect the treated area and promote healing. You will receive detailed aftercare instructions to follow at home.

Recovery and Aftercare

The recovery period following TCA CROSS is relatively short, but proper aftercare is essential for optimal results and to minimize the risk of complications. Here are some key points to keep in mind:

  • Redness and Scabbing: Expect some redness, swelling, and the formation of small scabs in the treated areas. These scabs typically fall off within 5-7 days.
  • Sun Protection: Sun protection is crucial during the healing process. Avoid direct sun exposure and use a broad-spectrum sunscreen with an SPF of 30 or higher daily.
  • Gentle Skincare: Use gentle, non-irritating skincare products. Avoid harsh scrubs, exfoliants, or active ingredients like retinoids until the skin has fully healed.
  • Moisturize: Keep the treated area moisturized with a healing ointment or balm to promote healing and prevent dryness.
  • Avoid Picking: Resist the urge to pick or scratch at the scabs, as this can increase the risk of scarring and infection.

Multiple TCA CROSS sessions are usually required to achieve the desired results. The number of sessions will depend on the severity of your enlarged pores or scars and your individual response to the treatment. Sessions are typically spaced 4-8 weeks apart to allow the skin to heal properly between treatments.

Ideal Candidates and Expected Results

TCA CROSS is an excellent option for individuals with:

  • Enlarged pores that are noticeable and affect the overall texture of their skin.
  • Ice pick acne scars, which are deep, narrow scars that resemble small punctures in the skin.
  • Those seeking a minimally invasive solution with minimal downtime.
  • Realistic expectations about the results of the treatment.

The results of TCA CROSS can be significant, leading to a visible reduction in pore size and a smoother, more refined skin texture. While complete elimination of enlarged pores may not be possible, TCA CROSS can dramatically improve their appearance and boost your overall confidence. Results are gradual, appearing over several months as collagen remodeling continues in the treated areas. With proper skincare and sun protection, the results of TCA CROSS can be long-lasting.

How Santé Clinics Barcelona Helps

At Santé Clinics Barcelona, we understand the impact that enlarged pores and acne scars can have on your self-esteem. Our expert medical team is dedicated to providing personalized treatment plans tailored to your unique skin concerns and goals. We utilize the latest techniques and technologies, including TCA CROSS, to deliver exceptional results with a focus on safety and patient satisfaction. We believe in a holistic approach to skincare, combining advanced treatments with comprehensive consultations and ongoing support to help you achieve and maintain healthy, radiant skin. Our clinic is equipped with state-of-the-art facilities, ensuring a comfortable and safe environment for all our patients.

Ready to Get Started?

Ready to start your transformation? Contact us on WhatsApp for a free consultation at Santé Clinics Barcelona, Avenida Diagonal 384.