A preservative that works best in acidic formulas.
What it is
Sodium benzoate is the sodium salt of benzoic acid. It is an allowed preservative in the EU (Annex V) and is most effective at low pH.
Where it is used
Toners, cleansers, products with organic or natural claims, often with potassium sorbate.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
Functions
- Anticorrosive
- Preventing and or inhibiting the corrosion of the packaging material.
- Fragrance
- Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
- Preservative
- Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.
EU regulation
EU · Annex V, entry 1Benzoic acid and its sodium salt
- Product type
- a) Rinse-off products, except oral care products b) Oral care products c) Leave-on products
- Maximum concentration
- a) 2.5% (acid) b) 1.7% (acid) c) 0.5% (acid)
- As of
- 3 November 2026 · (EC) 2009/1223
Safety Gate alerts (EU)
1 alerts about dangerous cosmetics in the EU mention this substance. An alert concerns a specific product, usually one that breaks EU rules.
- MEGLIO SFUSO – BAGNOSCHIUMA MUSCHIO BIANCO (2022-12-15)
Products with this ingredient (7658)
- Gardenia with Shea Butter Hand Cream · Florinda
- Pro-V Active Nutri-Plex Smooth & Sleek Shampoo · Pantene
- Original Antibacterial Handwash · Cien
- Ultra Soft Baby Wipes Shea Butter · Little Tikes
- Essentials Heat Protection Shield Spray · Unilever
- Cremeseife Warm Mandarine · ISANA
- Skin Illusion All-In-One Concealer · Clarins
- Spray Activateur Boucles N°3 Extrait de Mangue & Acide Aminé · Lovéa
- Creations Comfort: Magnolia & Almond Milk Shower Gel · Cussons
- Your Hand Sapone Liquido Energizzante Frutti Rossi & Aloe Vera · Near
- Cytrusowy poncz · 4 szpaki
- Repair Soothing Gel · Mad Rabbit

