What is keratosis pilaris? it is cureble? why?

Keratosis pilaris: Kp is a genetic disorder which causes small stiff plugs of skin to form in hair follicles usually on the backs of the arms sometimes on the sides and sometimes even on the flanks. This problem is a hereditary one which is not curable. Most people learn to live with this problem, and some use of softening lotion with Lactic Acid or urea and sometimes that helps a little, but it never goes away.