closed-up of cracked heels with red spot, also known as fissures, a common foot problem. black and white tone

also background barefoot black callous care closed closeup common cracked damaged depth dermatologist dermatology dirty disease disorder dry epidermis female fissures foot fungi fungus health heel heels human hygiene illness infection injury known male medical ointment old pain patient pedicure peel peeling people pierced problem red rough skin spot stain texture tone treatment ugly unhealthy white worn