What is the difference between TCA Cross used between clinics, i.e. ones run by dermatologist or ones run by beauticians, or more expensive vs cheaper clinics?

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How long does frosting on scars after TCA CROSS last?

Hi,TCA cross treatment of deeper acne scars entails precise application of high concentration of Trichloro-Acetic acid (TCA) to the base of the scar. Frosting occurs when treated skin turns white due to irreversible damage done to the upper layers of the skin by the acidic solution. This frosting generally lasts 6-12 hours on the average. Following the acute injury by the TCA cross, the skin initiates a healing process and the frosting fades. The frosting is first replaced by redness and swelling and later by scabbing over the following 5-8 days. Hope this helps!

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Dr Chin Yee Choong

Aesthetic

Is it possible for TCA CROSS to cause keloid scars?

Hi,Yes, TCA cross uses high concentration of Trichloro-Acetic acid (TCA) to injure the skin to cause subsequent skin inflammation, healing and scar improvement. If incorrectly applied or applied in excessive amount, the TCA may indeed cause excessive skin damage resulting in additional scarring including keloid scars. As with most aesthetic procedures, your doctor’s competence and experience will reduce potential side effects to the minimum. Hope this helps!

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Answered By

Dr Chin Yee Choong

Aesthetic

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