Question 1

What types of acne scars respond best to TCA CROSS?

Accepted Answer

TCA CROSS is indicated specifically for deep ice-pick scars and selected narrow boxcar scars. It deposits acid deeply into these indentations where surface resurfacing treatments may be less effective for the deepest portion of the scar.

Question 2

Is the procedure painful?

Accepted Answer

The procedure is highly tolerable. Patients report a brief, sharp stinging or warming sensation as the acid makes contact with the scar base. Systemic numbing is rarely required.

Question 3

Is it safe for South Asian skin tones?

Accepted Answer

TCA CROSS can be used in darker skin types, including many South Asian patients, but the risk of post-inflammatory hyperpigmentation and other pigmentary changes should be considered. Treatment should be individualized by a dermatologist based on skin type, scar characteristics, and healing history.

Question 4

Can I combine this with other treatments?

Accepted Answer

Yes. Acne scarring requires a multimodal approach. Depending on the presentation, a dermatologist may combine TCA CROSS with subcision to release bound-down rolling scars during the same clinical visit.

Question 5

How many TCA CROSS sessions will I need?

Accepted Answer

While a single session may produce noticeable improvement, multiple sessions (typically 3 to 6) are commonly required to achieve meaningful elevation of the scar floor.

Question 6

How long should I wait between sessions?

Accepted Answer

Sessions are generally spaced 4 to 6 weeks apart. This interval is necessary to allow the skin to fully heal and for the collagen remodeling process to take effect.

Question 7

Can TCA CROSS treat rolling acne scars?

Accepted Answer

TCA CROSS is not ideal for broad rolling scars. Rolling scars are typically tethered beneath the skin and respond much better to subcision, often combined with fillers or fractional lasers.

Question 8

I used isotretinoin recently. Can I get treated?

Accepted Answer

Recent or current isotretinoin use should be discussed with the treating dermatologist before treatment, as suitability depends on the procedure, dose, timing, and individual healing factors.

Question 9

How much does TCA CROSS cost in Kathmandu?

Accepted Answer

At Derma Clinic Kathmandu, TCA CROSS treatments start at a baseline price of Rs. 5,000 per session. The exact cost depends on the severity, number, and total area of the scars being treated.

Question 10

How long is the recovery time?

Accepted Answer

Physical downtime is minimal. The treated spots frost immediately and transition into small scabs within a day. These scabs shed naturally over 5 to 10 days.

Question 11

How should I prepare my skin before the appointment?

Accepted Answer

Discontinue topical chemical exfoliants 3 to 5 days prior to treatment. Active acne lesions in the treatment field must be clinically controlled first.

Question 12

What happens if I scratch off the scabs?

Accepted Answer

Do not pick or remove the scabs prematurely. Doing so can delay healing and increase the risk of infection, prolonged pigmentation, and additional scarring.

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