• Two silver-blond young women developed green, tinted hair from exposure to tap water containing excessive amounts of copper. Results from analyses of tracemetal content of hair as an indication of excessive ingestion, systemic toxicity, or metabolic derangement should be interpreted with caution in view of the demonstrated ease of external contamination from common sources.
(Arch Dermatol 113:1700, 1977)
Nordlund JJ, Hartley C, Fister J. On the Cause of Green Hair. Arch Dermatol. 1977;113(12):1700. doi:10.1001/archderm.1977.01640120068012