- TCA peels are cosmetic treatments that use trichloroacetic acid (TCA) to improve your skin’s appearance.
- The peels come in a variety of strengths or concentrations of acid.
- A TCA peel works by removing dead skin cells and stimulating new skin cell growth.
- People use TCA peels to try to get younger looking skin, and to treat certain skin conditions, like melasma and acne scarring.