PCA SKIN professional treatments are scientifically formulated to gently stimulate, firm and tighten skin. PCA SKIN clinically researched formulations help reduce the appearance of surface lines, smooth rough skin texture, promote an even skin tone and clear complexions, without the downtime often associated with traditional chemical peels.Ingredients such as alpha hydroxy acids (AHA), trichloroacetic acid (TCA), salicylic acid (BHA) and resorcinol work to break down surface buildup, incorporated into formulas to flood the skin with these beneficial actives during treatment. These blends gently exfoliate dull, damaged surface layers and reveal smooth, radiant, glowing skin. Reveal glowing skin in 30 minutes.