Ingredient
Sodium Benzoate
A widely used preservative, effective in acidic formulas.
What it does
Preservative
Keeps the product free of microbial growth in use.
Regulatory position
Tied to a named instrument rather than summarised. Presence in an ingredient glossary is not evidence that a substance is permitted at any concentration or for any purpose.
EU · restricted
Regulation (EC) No 1223/2009, Annex V, entry 1
Maximum 2.5 % as acid, rinse-off products
Lower limits apply to leave-on and oral products.
Reference
- CAS number
- 532-32-1
- In our catalogue
- 165 products
Ingredient reference data © European Union, 1995–2026, reused under CC-BY 4.0. Plain explanations are BeautySignal's own. This is information, not medical advice. How we source this.