Monthly Archives : May 2013

Hair follicle cells have a high turnover. Their active metabolism requires a good supply of nutrients and energy. A caloric deprivation or deficiency of several components, such as proteins, minerals, essential fatty acids, and vitamins, caused by inborn errors or reduced uptake can lead to structural abnormalities, pigmentation changes, or hair loss, although exact data are often lacking. Combined deficiencies are not uncommon, especially in malnutrition.