What Is TCA CROSS?

TCA CROSS (Chemical Reconstruction of Skin Scars) is a targeted acne scar treatment in which a high-concentration trichloroacetic acid (TCA) solution is carefully applied directly inside selected depressed scars.

Rather than treating the entire face like a traditional chemical peel, TCA CROSS focuses on individual scars to create a controlled chemical injury and stimulate a healing and collagen-remodeling response.

What Types of Acne Scars Can TCA CROSS Treat?

TCA CROSS may be considered for:

• Ice-pick acne scars
• Deep narrow acne scars
• Selected boxcar scars
• Small depressed scars
• Atrophic acne scars
• Deep post-acne pits
• Mixed acne scarring

Treatment suitability depends on scar shape, depth, skin type, and pigmentation risk.

TCA CROSS for Ice-Pick Acne Scars

Ice-pick scars are narrow, deep acne scars that extend into the skin and can be difficult to improve with superficial treatments alone.

TCA CROSS is particularly associated with the treatment of these deeper, narrow scars because the solution can be precisely applied inside individual scar openings.

TCA CROSS for Boxcar Scars

Selected narrow or deeper boxcar scars may also be considered for TCA CROSS.

However, broad or shallow boxcar scars may respond better to other treatments. The scar pattern should therefore be assessed individually before deciding on treatment.

How Does TCA CROSS Work?

During treatment, TCA is carefully placed into individual acne scars rather than broadly applied across normal surrounding skin.

This produces a controlled reaction within the scar and triggers a healing response. With repeated treatment and remodeling, the scar may gradually become shallower and less noticeable.

TCA CROSS vs. Chemical Peel

Although both treatments can use TCA, they are performed for different purposes.

A TCA chemical peel treats a broader area of skin, while TCA CROSS precisely targets individual depressed acne scars.

For deep ice-pick scars, targeted CROSS treatment may therefore be more appropriate than general facial peeling.

TCA CROSS vs. Fractional CO2 Laser

Fractional CO2 Laser treats broader areas of scarred and uneven skin, while TCA CROSS is highly localized.

TCA CROSS may be particularly useful for deep, narrow scars, whereas fractional resurfacing may be selected for broader textural irregularities, pores, and multiple shallow-to-moderate scars.

The two treatments may sometimes be incorporated into a combination scar program.

TCA CROSS vs. RF Microneedling

RF Microneedling treatments such as Potenza or Secret RF deliver radiofrequency energy beneath the skin to stimulate remodeling across a larger treatment area.

TCA CROSS targets individual scars. Patients with both deep ice-pick scars and widespread rolling or textural scars may therefore benefit from a combination approach.

Why Combine TCA CROSS with Other Acne Scar Treatments?

Many patients have more than one type of acne scar.

For example, one patient may have:

• Deep ice-pick scars
• Rolling scars
• Boxcar scars
• Enlarged pores
• Uneven skin texture
• Red or brown acne marks

A personalized program may use TCA CROSS for deeper individual scars while using RF microneedling or fractional resurfacing for broader skin texture concerns.

How Many TCA CROSS Sessions Are Needed?

TCA CROSS is generally performed as a series rather than expecting complete improvement from one treatment.

The number of sessions depends on:

• Scar depth
• Number of scars
• Scar type
• TCA concentration and technique
• Skin type
• Healing response
• Pigmentation tendency

Improvement generally develops gradually as the treated scars remodel.

TCA CROSS Downtime

After treatment, the targeted areas may develop temporary whitening, redness, crusting, or small scabs.

These should be allowed to heal naturally. Picking or scratching treated areas can increase the risk of complications.

Post-inflammatory hyperpigmentation can occur, particularly in pigmentation-prone skin, making careful aftercare and strict sun protection important.

TCA CROSS for International Patients in Seoul

Located in Cheongdam, Gangnam, Cheongdam JIA Skin Clinic provides TCA CROSS and other acne scar treatments for international residents and visitors in Seoul.

International patients can discuss scar type, treatment intensity, available recovery time, and whether combination treatment is appropriate during their stay in Korea.

Why Choose Cheongdam JIA Skin Clinic for TCA CROSS?

• Personalized acne scar assessment
• Targeted treatment for ice-pick scars
• Selected boxcar scar treatment
• Individualized TCA application
• Combination acne scar programs
• RF microneedling and resurfacing options
• Customized downtime planning
• Post-treatment care guidance
• Convenient Cheongdam, Gangnam location
• International patient-friendly consultation

FAQ – TCA CROSS in Gangnam

What is TCA CROSS used for?

TCA CROSS is a targeted chemical reconstruction technique commonly used for deep, narrow acne scars, particularly ice-pick scars.

Is TCA CROSS good for ice-pick scars?

TCA CROSS is commonly considered for ice-pick scars because treatment can be precisely applied inside individual deep scar openings.

Can TCA CROSS treat boxcar scars?

Selected narrow or deeper boxcar scars may respond to TCA CROSS, although broader scars may require other treatment approaches.

How many TCA CROSS treatments do I need?

Multiple sessions are often required. The number depends on scar depth, number of scars, skin type, and individual healing response.

Does TCA CROSS leave scabs?

Small crusts or scabs can develop at treated sites during healing. Patients should avoid picking them and follow the clinic's aftercare instructions.

Which is better, TCA CROSS or Fractional CO2 Laser?

Neither is universally better. TCA CROSS is particularly useful for targeted deep scars, while Fractional CO2 can address broader acne scarring and uneven texture.

Can foreigners get TCA CROSS in Gangnam?

Yes. International residents and visitors can consult Cheongdam JIA Skin Clinic about TCA CROSS and combination acne scar treatments in Seoul.