Problem: Keratosis Pilaris Keratosis pilaris, also known as follicular keratosis, lichen pilaris or chicken skin, is a common skin condition that causes rough patches and small, acne-like bumps on the arms, thighs, cheeks and/or buttocks. Keratosis pilaris bumps are usually white or red and generally do not hurt or itch.1 Although no clear study of what causes this skin condition has been defined, keratosis pilaris…