What Is A TCA Chemical Peel? TCA is short for trichloroacetic acid. TCA is a non-toxic chemical and has been used for chemical peels for more than 20 years. It can be used to treat a variety of skin conditions, including wrinkles. The face, arms, chest, legs and neck are examples of some of the areas that can be treated with a TCA chemical peel. What Are The Different Depths Of Chemical … [Read more...]