Keratosis pilaris (KP) is a very common condition that affects the pores by blocking them with dry skin.
Typically, KP occurs on the upper arms, sides of the cheeks (in pre-adolescents), and thighs, but it may occur anywhere on the skin except for the palms and soles. It appears as small skin-colored or red bumps that contain a hard dry central core and are rough to the touch. They don’t usually itch, but many people are bothered by their appearance. People with KP also have an increased tendency to have eczema.
KP is believed to be genetic, and may also be associated with dry skin or eczema. Generally KP exists in childhood and young adulthood, although it may persist into the later years in some individuals.