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Is Sodium Benzoate Safe? What You Need to Know

7/10

Safety Score

Concern Level: low

Sodium Benzoate is generally considered safe for use in household and personal care products.

Common uses: food preservation, mouthwash, skin care, beverages

What Is Sodium Benzoate?

A preservative derived from benzoic acid. Generally safe but can form benzene when combined with ascorbic acid (vitamin C) in acidic conditions.

Commonly found in: food preservation, mouthwash, skin care, beverages

Safety Research & Evidence

A preservative derived from benzoic acid. Generally safe but can form benzene when combined with ascorbic acid (vitamin C) in acidic conditions.

Regulatory status: GRAS by FDA; EU approved preservative in cosmetics up to 2.5%

Health Concerns

benzene formation with vitamin C

Evidence: Moderate

Research indicates benzene formation with vitamin C may be associated with exposure to Sodium Benzoate. Particularly concerning for those using products combining sodium benzoate with vitamin C.

Vulnerable Populations

Extra caution recommended for: those using products combining sodium benzoate with vitamin C

Safer Alternatives

AlternativeSafety Score
Potassium Sorbate8/10

How to Avoid Sodium Benzoate

  1. Read ingredient labels carefully for "Sodium Benzoate" or its chemical synonyms
  2. Choose products with third-party certifications (EWG Verified, Made Safe)
  3. Consider alternatives like Potassium Sorbate
  4. Check the EWG Skin Deep database for product ratings
  5. Look for "Sodium Benzoate-free" labels on product packaging

Frequently Asked Questions

Is Sodium Benzoate safe for babies?

Sodium Benzoate is generally considered acceptable for use around babies at typical concentrations in consumer products.

What are the safest alternatives to Sodium Benzoate?

Safer alternatives include Potassium Sorbate (safety score: 8/10).

Is Sodium Benzoate banned in other countries?

Regulatory status: GRAS by FDA; EU approved preservative in cosmetics up to 2.5%

How do I know if my product contains Sodium Benzoate?

Check the full ingredient list on the product label. Sodium Benzoate may also appear under different chemical names. Using apps like EWG Healthy Living or Think Dirty can help identify it.

Related Safety Guides

References

  1. Nyman PJ et al. (2010). Sodium benzoate and benzene formation in beverages PMID: 23742679