What Causes Callus On The Heels?
you need to change your shoes
I have studied your case and Images sent by you. Callosities are mainly due to wrong foot wear or barefoot walking. I have following suggestions for you.
1.Change your foot wear, Readymade silicone insole available that you can use as insert in your shoes.
2.Avoid walking barefoot.
3.Keeping your both feet 20 minutes twice daily in bucket for one months is helpful.
4.Get an X ray done, If this callosity persists after one month as some time this is due to calcaneal spur.
I hope this answer will be useful for you.Let me know if there is any other followup questions.
You can use callus remover
Callus remover can be use but route cause is bone shape or foot wear. So callus remover is effective and can be used but along with this shoe modification is also needed.