Mercuric oxide
Mercuric Oxide
Mercury compound. Prohibited in Canadian cosmetics under the mercury reduction strategy. Source: Health Canada Cosmetic Ingredient Hotlist (prohibited list), compiled from docs/cosmetic-ingredient-database.json. Verify against the live canada.ca Hotlist before relying on it.
Last reviewed April 27, 2026 · Always verify against the current Health Canada Cosmetic Ingredient Hotlist before use.
Health Canada Hotlist — Prohibited
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