Today in pottery class, a lady told me about Kerodex sold at various stores. It comes in a fairly large tube in a blue and white box.
She said you wash your hands, pat dry, apply a dallop of the cream, rub in really good, then you place your hands in cold water to 'set' it, pat dry, and go about your business. It is really good for folks whose hands are in water or wet substances quite a bit (such as our pottery class). She said her fingers don't crack and bleed since she started to use it.
Sorry, I have not yet tried it.
I personally love Mary Kays Extra Emollient Cream at night and Sally Hansons Cuticle Cream during the day. When I use these as I need to, I do not have cracks or hangnails. My hands stay soft, not dry.