Urea based creams are used to treat a lot of foot conditions in which a dryness of the skin is a characteristic feature. This include conditions like dermatitis, psoriasis, callus and cracked heels. The urea creams come in different concentrations depending on the needs of the person..

More:

https://epodiatry.com/the-use-of-urea-creams-for-the-foot/

https://podiatrytube.org/index.php/2023/02/16/urea-cream/