Classification
Worldwide, KP affects an estimated 40% of the adult population and approximately 50%-80% of all adolescents. It is more common in women than in men.
There are several different types of keratosis pilaris, including keratosis pilaris rubra (red, inflamed bumps which can be on arms, head, legs), keratosis pilaris alba (rough, bumpy skin with no irritation), keratosis pilaris rubra faceii (reddish rash on the cheeks), and related disorders.
While KP resembles goose bumps,it is characterized by the appearance of small, rough bumps on the skin.
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