TCA CROSS
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Book a consultationTCA CROSS Treatment in Kollam
TCA CROSS (Chemical Reconstruction of Skin Scars) is a targeted dermatological procedure that uses high-strength trichloroacetic acid, typically 70 to 100 percent, placed directly inside atrophic acne scars to stimulate new collagen formation. The treatment is particularly effective for deep, narrow scars such as ice pick and boxcar scars that other resurfacing methods often cannot reach. At TLC Skyn in Kollam, the procedure is performed only after a proper scar assessment, because not every acne scar responds to the same approach and using the wrong technique can make some scars more noticeable.
Patients in Kollam commonly seek TCA CROSS after years of living with pitted scars that remain visible even under makeup. The humid coastal climate does not cause acne scars, but it can make skin oilier and more prone to the kind of inflammatory acne that leaves permanent indentations. TLC Skyn takes a personalised approach: the depth, width, and location of each scar are examined under good lighting, and the treatment plan is built around the scars that are genuinely suitable for focal acid application rather than offering a one-size-fits-all package.
What Is TCA CROSS?
TCA CROSS stands for Trichloroacetic Acid Chemical Reconstruction of Skin Scars. The method involves depositing a tiny amount of high-concentration TCA, usually 70 to 100 percent, directly onto the base of an atrophic scar using a fine applicator such as a wooden toothpick or a specialised needle. The acid causes a controlled injury confined to the scar depression. As the skin heals, new collagen fibres form and gradually raise the base of the scar toward the surrounding skin surface.
The treatment primarily addresses ice pick scars, which are narrow, deep, and have steep walls, along with narrow boxcar scars. Rolling scars and broad, shallow depressions are generally not ideal candidates for TCA CROSS alone. People with darker skin tones, including many patients in Kerala, may be suitable candidates because the acid is confined to the scar itself and spares surrounding normal skin, reducing the risk of widespread pigmentation changes. However, professional assessment is essential: a dermatologist needs to confirm the scar type, rule out active acne or infection, and check for any history of keloid scarring or pigmentation disorders before proceeding.
Treatment Options & Advantages
Treatment Options
TLC Skyn offers TCA CROSS as a focused, in-clinic procedure for atrophic acne scars. The approach is selected based on the individual scar pattern.
TCA CROSS with high-strength trichloroacetic acid. A concentrated TCA solution is applied only inside each selected scar. The immediate endpoint is a white “frosting” of the treated spot, which indicates the acid has penetrated the scar tissue. This option is suited to ice pick and narrow boxcar scars that are too deep for standard chemical peels or fractional lasers to reach effectively.
TCA CROSS combined with other scar treatments. For patients with mixed scar types, TCA CROSS is often used alongside other procedures such as subcision for tethered rolling scars or laser resurfacing for broader textural irregularities. The combination is planned in stages, because different scar types respond to different mechanisms and treating them together can produce a more even overall result.
Topical aftercare and sun protection guidance. Recovery after TCA CROSS is as important as the procedure itself. Patients receive specific instructions on cleansing, moisturising, and sun protection. In Kollam’s strong year-round UV exposure, diligent sunscreen use is critical after any acid-based procedure to reduce the risk of post-inflammatory hyperpigmentation.
Treatment Advantages
- Targeted action: the acid is confined to the scar depression, so surrounding healthy skin is largely spared.
- Suitable for deep, narrow scars that lasers and standard peels often cannot improve.
- Minimal downtime compared with full-field resurfacing; most patients return to regular activities within a few days.
- Can be safely repeated over multiple sessions, typically three to six sessions spaced several weeks apart.
- Often effective in darker skin types when performed carefully, because the risk of widespread pigment change is lower than with broad acid application.
- Cost-effective relative to some energy-based scar devices, though the number of sessions needed varies by scar depth and individual healing response.
Frequently Asked Questions
What is a TCA CROSS?
TCA CROSS is a procedure in which a high concentration of trichloroacetic acid, usually 70 to 100 percent, is placed directly inside an atrophic acne scar using a fine applicator. The controlled injury triggers collagen production that gradually lifts the base of the scar. It is most useful for ice pick and narrow boxcar scars.
Can I perform TCA CROSS at home?
No. High-strength TCA is a potent acid that can cause chemical burns, infection, scarring, and permanent pigment changes if used incorrectly. The procedure requires precise application, knowledge of skin types, and the ability to manage complications. It should only be performed by a qualified dermatologist or trained medical professional.
What is TCA CROSS 100 percent?
TCA CROSS 100 percent refers to the use of undiluted trichloroacetic acid for the procedure. Clinical studies have used 100 percent TCA applied focally to ice pick scars with good results, but the concentration must be matched to the individual patient’s skin type and scar characteristics. Higher concentrations carry greater risk if the acid spreads beyond the scar.
How many days of downtime does TCA CROSS have?
Small dark scabs typically form over the treated spots within one to two days and fall off after about three to seven days. Mild redness may persist for a short time after the scabs separate. Most people can resume normal activities quickly, but the treated spots must be protected from sun exposure while healing.
How many TCA CROSS sessions will I need?
Most patients need between three and six sessions spaced several weeks apart to see meaningful improvement. The exact number depends on scar depth, how well the skin produces collagen, and whether TCA CROSS is combined with other treatments. Some deep scars improve noticeably after the first or second session, but full results develop gradually over months.
To find out whether your acne scars are suitable for TCA CROSS, book a consultation at TLC Skyn in Kollam for a proper scar assessment and a personalised treatment plan.
