Hello,
This is most likely a corn or callosity. Another possibility would be a viral infection called a Plantar Wart. Try soaking your feet in warm water twice a day for 10 minutes followed by application or coconut oil on the area. At night use a urea based moisturizer like Ureativ 20% cream on the affected area. 16-17% Salicylic acid lotions are another alternative. If you're not better in 1-2 weeks then you should see a Dermatologist in person.
Please note that the information I have provid ...
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