How does TCA work compared to salicylic acid?

TCA is an effective acid gel for a convenient & fast removal of warts & verrucas


Salicylic acid

TCA gel

Treatment period

8 to 12 weeks

Effective from the first week

Suitable for children

Certain references


Acid concentration







Mostly liquid


Systemic effects

Can have systemic effect, can cause blood coagulation

No effect on blood coagulation


  • TCA is scientifically proven to have a long lasting peeling effect on the wart, which allows a continuous action on the wart.  It destroys the HPV virus.
  • The pH rate of TCA= 1.9 whereas salicylic acid has a pH rate of 2.4, which means that TCA is a stronger acid than salicylic acid.
  • Wartner wart pen is in gel format while salicylic acid compositions are generally in liquid form. The gel allows having a more precise application on the affected spot without too much invasion of the healthy skin around it by using an innovative applicator.
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