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Ferric ferrocyanide

Ferric ferrocyanide is a ferric hexacyanoferrate pigment used in externally applied drugs including those intended for use in the area of the eye. The FDA indicates that this dye may be safely used in amounts consistent with good manufacturing practices. Restrictions include:

Lead - not more than 20 parts per million

Arsenic - not more than 3 parts per million

Nickel - not more than 200 parts per million

Cobalt - not more than 200 parts per million

Mercury - not more than 1 part per million

LEAD

Lead is a heavy, soft bluish-gray metal that naturally occurs in the rock and soil of the earth's crust. Lead and lead compounds are reasonably anticipated to be a human carcinogen in the Twelfth Report on Carcinogens published by the National Toxicology Program. Short-term exposure of lead in cosmetics can cause eye irritation.

ARSENIC

Arsenic is a silver-gray or white-metallic element that occurs naturally in the earth's crust. Arsenic is also listed as a human carcinogen in the Twelfth Report on Carcinogens. Short-term exposure of arsenic in cosmetics can cause skin warts and red or swollen skin.

MERCURY

Mercury is a metal that occurs naturally in the environment. Short-term exposure may cause skin rash and irritation of the eyes.

 

SOURCES:

Food and Drug Administration. (2011, April). Sec. 73.1299 Ferric ferrocyanide. Code of Federal Regulations, 21 (1). Abstract retrieved from Food and Drug Administration Department of Health and Human Services database. (Cite No: 21CFR73.1299).

Tox Town. (2012, March). Arsenic. U.S. National Library of Medicine. Retrieved from http://toxtown.nlm.nih.gov/text_version/chemicals.php?id=3

Tox Town. (2012, January). Lead. U.S. National Library of Medicine. Retrieved from http://toxtown.nlm.nih.gov/text_version/chemicals.php?id=16

Tox Town. (2012, January). Mercury.U.S. National Library of Medicine. Retrieved from http://toxtown.nlm.nih.gov/text_version/chemicals.php?id=17