What finally worked for me was locking in moisture within 60 seconds after...

https://golf-wiki.win/index.php/Can_I_Use_My_Face_Serum_on_My_Body_to_Save_Money%3F

What finally worked for me was locking in moisture within 60 seconds after stepping out of the shower. I now use a body lotion with urea around 15% on my heels to soften rough patches. I also make sure to apply SPF on my hands and chest daily