Trichloroacetic acid (TCA) is a colorless, crystalline organic compound with the chemical formula C2Cl3O2. It is a strong acid commonly used in various industrial applications, including the production of other chemicals and as a laboratory reagent. TCA is also utilized in dermatology for chemical peels, helping to remove the outer layers of skin for cosmetic purposes. In addition to its industrial uses, TCA is effective in treating certain skin conditions, such as warts and precancerous lesions. However, it must be handled with care due to its corrosive nature and potential health hazards. Proper safety measures are essential when working with this compound.