- Type
- Contaminant (metalloid)
- How serious
- High severity
- Evidence
- Strong evidence
Why it is flagged
A human carcinogen (IARC Group 1). Health Canada notes that exposure in the womb or in childhood may affect development and raise the risk of cancer in adulthood. Prohibited in cosmetics in Canada.
Health topics it bears on
Sources
- Cosmetic Ingredient Hotlist: Prohibited and restricted ingredients Health Canada, 2025
- Arsenic Health Canada, 2022
- Update of the risk assessment of inorganic arsenic in food European Food Safety Authority, 2024
- IARC Monographs Volume 100C: Arsenic, Metals, Fibres, and Dusts International Agency for Research on Cancer, 2012
Also listed as
arsenic, arsenic compounds, arsénico, arsenico, arsen