They appear more frequently where skin is broken, such as in areas where fingernails are
bitten or hangnails picked. Exfoliative keratolysis, on the other hand, presents with superficial air-filled blisters on the fingers or palms. The blisters burst to leave expanding collarettes of scale and circular or oval, tender, peeled areas. These peeled areas lack a normal barrier function and may become red, dry and cracked. If there is no history of allergies, this could be ruled out.