Dermadoctor’s cult classic KP Duty Dermatologist Formulated AHA Moisturizing Therapy for Dry Skin makes it easy to attain silky-smooth skin. Ideal for use year-round as a moisturizer for body, arms, legs, hands and feet, KP Duty lotion can improve the appearance of overly dry skin and rough keratosis pilaris bumps (lovingly called “chicken skin”).