Special Ingredients Pumice Buffing Beads, Glycolic and Lactic Acids, Bisabolol. Special Features 10% AHA. Special feature 10% AHA. Buff Away Dead Skin: Glycolic and Lactic Acids (AHA) at a combined level of 10% help loosen skin’s top layer and decongest pores, while Pumice Buffing Beads (NOT microplastic!).