Leader Medicated Callus Removers, Salicylic Acid 40%, 4 Medicated Patches KI#5396528* Sale! from 369 998 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Generic for Dr. Scholl'sSalicylic Acid 40%This listing is for 4 medicated patches only! Qty available:7 Tweet