That looks fungal possibly. Treat it with anti-fungal cream. Can't hurt to try.
Another option is contact dermatitis from something the person is doing regularly that is defatting the skin (detergents, chemicals, etc.) See if it helps to wear gloves when washing dishes etc.
Here's the link to the picture: http://i916.photobucket.com/albums/ad2/LaOdette/skincondition.jpg