Butylated Hydroxyanisole
BHA
Synthetic antioxidant used to extend shelf life of fats and oils. Distinct from "BHA" the salicylic-acid exfoliant — same acronym, completely different molecule. Source: Health Canada Cosmetic Ingredient Hotlist (restricted 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 — Restricted
Antioxidant. Concentration limits commonly cited at maximum 0.1% in cosmetics. Use is being phased down in many jurisdictions due to endocrine concerns.
Product type restriction: Both types
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