Scholl's callus removal patches have a targeted effect for safe and effective callus removal. Scholl's disc system helps protect the surrounding healthy skin. Soft cushioning cushions for immediate pain and pressure relief. Dermatologically tested patch. Ideal for toe blisters Scholl blister patches contain salicylic acid which acts on the callus tissue and destroys it. The soft pads instantly relieve discomfort caused by growths, while the Scholl Disc System protects the healthy skin surrounding the growths. Resistant to washing. Targeted healing effect for effective removal with 8 patches and 8 discs.