Xerosis, also referred to as dry skin, affects 30% to 99.1% of people older than 60 years. 1,2 Xerosis is usually caused by a lack of epidermal lipids and is the most common cause of pruritus in the older adult. 2,3 Pruritus can result in excessive scratching, skin injury, skin tears, wounds, secondary infection, discomfort, and pain and can have a considerable impact on quality of life. 3 Although all areas of the body may be generally affected, sites with fewer sebaceous glands, such as the lower legs, forearms, hands, and feet, are more frequently affected. 2 Xerosis predominantly affects the outermost layer of the epidermis, the stratum corneum (SC), which serves as a barrier to the external environment, providing protection against water loss. 3 The SC is composed of corneocytes, which are terminally differentiated keratinocytes that contain natural moisturizing factors (NMFs), such as urea, lactic acid derivatives, pyrrolidine carboxylic acid, amino acids, ammonia, uric acid, and inorganic salts and sugars. These NMFs act as humectants (they attract and bind water to the skin), promoting skin plasticity, optimum skin barrier function, and healthy shedding of skin cells (desquamation). 4 Corneocytes are embedded in a lipid matrix consisting of ceramides, fatty acids, and cholesterol. The lipid matrix prevents water evaporation and is responsible for the chemical barrier of the skin. 2 The SC needs a minimum water content of 10% to remain pliable and avoid fissures. 4