What is Essential and Nutrient Elements in Hair (e.g. calcium, magnesium, zinc, copper, selenium, chromium)?
Essential and nutrient elements such as calcium, magnesium, zinc, copper, selenium, and chromium are also incorporated into hair. Hair concentrations of these elements are influenced by external factors — shampoos, treatments, water, and contamination — as well as growth rate, and correlate poorly with tissue or serum status.