Relationship between Trace Elements and Premature Hair Graying.

Context: Hair is said to gray prematurely when a minimum of five gray hairs occurs before the age of 20 in fair skinned, 25 in Asians, and 30 in Africans. It may be genetically associated with autoimmune syndromes or certain environmental factors.

Aims: The aim of this study was to evaluate the serum level of iron, copper, and calcium and to assess their role in premature hair graying.