Before the use will affected area soaks 10 minutes with the hot water, Wipe dry.
Tear off the cover film of the product, posted on affected area.
Every day one piece ,after 5-7 days.
If the affected area softening become white,and feel a little pains,(Should first remove the white softened layer).
If you do not find the phenomenon above, can be extended with time, until the corns all fall off so far.