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Score:
Data available:
 
Fair

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COLLOIDAL GOLD

Health Concerns of the Ingredient:
Overall Hazard
 
 
Cancer
 
 
Developmental &
reproductive toxicity
 
 
Allergies & immunotoxicity
 
 
Other LOW concerns: Enhanced skin absorption, Organ system toxicity (non-reproductive)

Use restrictions

Concern Reference
Violation of government restrictions - Banned or found unsafe for use in cosmeticsCanada - Prohibited and Restricted Cosmetics Ingredients
Violation of government restrictions - Banned or found unsafe for use in cosmeticsCTFA International Cosmetic Ingredient Dictionary and Handbook

Organ system toxicity (non-reproductive)

Concern Reference
Limited evidence of kidney toxicityKlaassen, C
Limited evidence of respiratory toxicity (only for products that may be aerosolized (airborne))Nemery, B
Limited evidence of cardiovascular or blood toxicityMalachowsky, M
Limited evidence of kidney toxicityMerck & Co

Enhanced skin absorption

Concern Reference
Suspected nano-scale ingredients with potential to absorb into the skinNanomaterial Database

Data gaps

Concern Reference
3,715 studies in PubMed science library may include information on the toxicity of this chemical see search results ->NLM PubMed

Data Sources

CTFA (Cosmetic, Toiletry and Fragrance Association). 2006. International Cosmetic Ingredient Dictionary and Handbook, 11th Edition. Color Additive Information. Washington, DC.
Health Canada. 2007. List of Prohibited and Restricted Cosmetic Ingredients. Canada's Cosmetic Ingredient Hotlist. March 2007.
Klaassen, C., M. Amdur and J. Doull (eds.). Casarett and Doull
Malachowsky, M.J. Health Effects of Toxic Substances. Government Institutes. Rockville, MD 1995.
Merck & Co. The Merck Manual of Diagnosis and Therapy. TABLE 226-1. Common Nephrotoxic Agents http://www.merck.com/pubs/mmanual/tables/226tb1.htm
NLM (National Library of Medicine). 2012. PubMed online scientific bibliography data. http://www.pubmed.gov.
NanoWerk. 2007. Nanomaterial Database. Available online: http://www.nanowerk.com/phpscripts/n_dbsearch.php
Nemery, B. Metal Toxicity and the Respiratory Tract. European Respiratory Journal. 3(2): 202-219. 1990.(Table 1: Summary of pulmonary toxicity of metals).

About the ratings

EWG provides information on personal care product ingredients from the published scientific literature, to supplement incomplete data available from companies and the government. The ratings below indicate the relative level of concern posed by exposure to the ingredients in this product - not the product itself - compared to other product formulations. The ratings reflect potential health hazards but do not account for the level of exposure or individual susceptibility, factors which determine actual health risks, if any. Learn more | Legal Disclaimer