How Trichloroacetic Acid (TCA) Reduces Acne Scars (and May Also Help with Acne)
Trichloroacetic Acid Reduces Scars by Promoting the Production of Collagen (and May Help Acne by Exfoliating the Skin) The Essential Info Trichloroacetic acid (TCA) is an acid used for the treatment of acne scars, most notably ice pick scars. It works to treat acne scars by increasing the production of a skin protein called collagen, …