PP here with the Mediplast post here is the instructions:
Mediplast®
Corn, Callus & Wart Remover
40% Salicylic Acid
Physician Recommended
Cut-to-fit Pads
25 Pads 2x3 in (50.8 x 76.2 mm)
Wash affected area. May soak corn, callus or wart in wart water for 5 minutes. Dry area thoroughly. Cut pad to fit corn, callus or wart. Apply medicated pad to area. Remove medicated pad after 48 hours. Repeat procedure every 48 hours for up to 14 days for corn/callus removal and up to 12 weeks for warts, until the problem has cleared.
I would soak my foot in a bath first this worked very quickly too. You got a lot of feedback coming your way but I really hope you pick mine lol

Good luck!