How to remove hard, calluses from your feet?

I am a woman who works standing up.

Even after removing the dead skin on my feet, it grows back quickly.

How do you manage your foot calluses, Unpa members?

I am using a foot exfoliating scrub, but...

It doesn't seem to be working.

I want to remove it completely and thoroughly.

Please share any tips or tricks for managing foot calluses.

I want to have soft feet.