Exfoliants are an essential skincare step that helps all of your other products work more efficiently. Whether you choose a chemical or a physical exfoliant. our professional-quality exfoliators for dry. oily. combination or mature skin. Lifting dead skin cells from the surface helps serums. treatments and moisturizers better penetrate into the skin so you see faster. visible results. Use your exfoliator 2-3 times per week or as directed as a part of your skincare regimen. All of our products are free of potential irritants like synthetic dyes and fragrances. PCA SKIN does not perform or condone animal testing.