Product Overview Sodium Benzoate is a dual-function ingredient serving as both a preservative and a pH buffer, widely used in cosmetics and personal care formulations. Core Functional Advantages Preservative function: effective against yeast, mold and some bacteria, especially in acidic systems pH buffering: helps stabilize formula pH Mild and well-tolerated: suitable for sensitive formulations Cost-effective and widely available Main Application Fields Acidic skincare products (pH 3–5) Leave-on and rinse-off cosmetics Food-grade and personal care applications Quality & Compliance Manufactured under GMP, with COA, MSDS and heavy metal test reports available upon request.
Key Benefits for Cosmetic Formulation
- <strong>Preservative function:</strong> effective against yeast, mold and some bacteria, especially in acidic systems
- <strong>pH buffering:</strong> helps stabilize formula pH
- <strong>Mild and well-tolerated:</strong> suitable for sensitive formulations
- Cost-effective and widely available
Main Applications in Personal Care
- Acidic skincare products (pH 3–5)
- Leave-on and rinse-off cosmetics
- Food-grade and personal care applications
Recommended Use Levels
Use levels depend on the finished-product category and the target claim. Contact our technical team for grade-specific guidance and samples.
EU & Regulatory Notes
Cosmetic ingredients supplied for EU markets must be used in compliance with Regulation (EC) No 1223/2009 on cosmetic products. Always verify the current Annex status and concentration limits for your finished product and market before launch; Aogubio provides full documentation (COA, SDS, technical data) to support your registration and safety assessment.
Why Buy Bulk Sodium Benzoate from Aogubio?
- GMP-certified manufacturing: consistent quality from raw material to finished ingredient
- Complete documentation: COA, SDS and heavy metal test reports with every batch
- Flexible supply: samples to full container loads, MOQ from 1 kg
- Export experience: reliable shipping to EU, North America and Asia
FAQ for Cosmetic Manufacturers
What is Sodium Benzoate used for?
It acts as a preservative and pH buffer in cosmetics, mainly effective in acidic formulas (pH 3–5).
What is a typical use level?
Typical preservative use is 0.1%–1.0% depending on the product and other preservatives in the system.
Is it EU-approved?
Sodium Benzoate is a permitted preservative in the EU — check the current Annex V status and concentration limit under Regulation (EC) No 1223/2009.
View the Sodium Benzoate product page for specifications and to request samples.
Aogubio Co., Ltd (Imaherb) is a GMP-certified manufacturer of bulk cosmetic ingredients. Every batch ships with COA, MSDS and heavy metal test reports.