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Answer: Sodium Benzoate (Cosmetic) is restricted (not fully banned) in EU. The FDA still allows it in US cosmetics and personal-care products. Risk level: low. Commonly found in: Various natural brand cleansers and toners, Some Jason Natural products.
TL;DR: Sodium Benzoate (Cosmetic) is restricted in the EU but allowed in the US (preservatives).
Reviewed for clarity & usefulness by the BannedPantry Parent Panel
INCI name SODIUM BENZOATE. Also called Sodium Benzoate. CAS 532-32-1.
Other names: Benzoate of Soda, E211 (food grade)
| EU status | Restricted |
|---|---|
| US status | Allowed |
| Risk level | low |
| Where it shows up | Various natural brand cleansers and toners, Some Jason Natural products |
| CAS number | 532-32-1 |
Sodium benzoate is the sodium salt of benzoic acid, used as a broad-spectrum antimicrobial preservative in cosmetics, personal care products, and food. In cosmetics it is most effective at acidic pH (<5.5), where it converts to the active benzoic acid form.
Used to prevent yeast, mold, and bacterial growth in water-based cosmetic formulations. Often combined with potassium sorbate for broader spectrum coverage. It is considered a relatively safe, low-toxicity preservative.
Sodium benzoate is considered safe for cosmetic use by the CIR and EU SCCS at regulated concentrations (≤2.5% in EU cosmetics). It is a weak sensitizer and can cause urticaria (hives) in some sensitive individuals. At low cosmetic concentrations, systemic risk is negligible — it is rapidly metabolized and excreted. The concern about sodium benzoate + ascorbic acid forming benzene is food-specific and not relevant to most cosmetic applications.
For educational use only. This page summarizes the regulatory status of Sodium Benzoate (Cosmetic)with citations to the primary sources below. It is not medical advice. Regulatory status is not the same as a proven health effect — read the cited sources for their exact wording, and consult a doctor for decisions about your or your family's health.
Potassium sorbate as a similarly mild preservative; sodium dehydroacetate for antifungal activity.
Yes, same chemical compound. In cosmetics it is used as a preservative, as in food (E211). Both applications are regulated and considered safe at approved levels.
The benzene-forming reaction requires sodium benzoate + ascorbic acid + heat/UV, which can occur in some beverages. In most cosmetic products (particularly those without high vitamin C levels), this is not a practical concern.
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