Formalin application was effective in 83.3% of patients, but complete disappearance of warts was seen in 11.1%. There was not any significant response to treatment in placebo group.

What chemicals kill warts?

Salicylic acid.

Available over the counter as a liquid or in a patch, this chemical helps remove warts. For best results, soak the wart in water for 10 to 20 minutes and dry the skin before applying the medicine.

What is the best way to kill a wart?