Its called keratosis pilaris (KP) Its usually genetic. You can't really treat it but there are some ways to make it less noticeable. Its usually on forarms and thighs. If you look it up online you...
Does anyone remember a doll that when you cranked the arm it would suck up this dolls long pony tail and then you could pull it out again to make it long? Its driving me crazy trying to figure out...