Aquaguard NK12, Sodium benzoate and potassium sorbate, 10 ml

Key benefits

• Ready-to-use liquid preservative system – simple dosing and easy incorporation into the formulation.
• Suitable for aqueous systems and emulsions – performs well wherever water is present and microbiological protection is required.
• Combination of two well-established preservatives – sodium benzoate and potassium sorbate are often used in practice as a complementary system.
• Free from parabens, free from added fragrances and free from added organic solvents.
• Also suitable for vegan formulations.
• Free from added microplastics and nanomaterials.
• Free from PFAS, free from palm-derived ingredients and free from GMO.

Suitable for products such as

• facial toners and facial waters
• cleansing gels and water-based cleansing products
• creams, lotions and emulsions with an appropriately adjusted pH
• shampoos, conditioners and hair tonics with a more acidic pH
• shower gels and liquid soaps, if the formulation is compatible with this type of preservation
• masks, serums and water-based hydrating gels
• rinse-off and also certain leave-on products, provided the final formulation has been verified by a preservative efficacy test

Use in formulations

• Water-soluble and best incorporated into the aqueous phase or into the finished emulsion.
• Compatible with aqueous formulations and emulsion systems in which a suitable, more acidic pH can be set and maintained.
• Miscible with the water phase of the formula; for formulations with a higher content of electrolytes, botanical extracts or challenging raw materials it is advisable to verify both stability and efficacy in the specific formula.
• Performs best in a more acidic environment, therefore, during formula development, monitoring and, if necessary, adjustment of the finished product pH are important.
• It is recommended to add during the cool-down phase (at a temperature below 40 °C).
• Dosage must correspond to the product type, pH, the formulation used and the results of microbiological testing; for leave-on and rinse-off products it is also necessary to respect the regulatory limits for the finished product.
• In professional manufacturing it is always recommended to perform a challenge test, because preservative efficacy is influenced not only by its concentration but also by pH, packaging, contamination during use and the overall composition of the formula.

Safety and storage

• Store in a well-closed container, in a dry place, away from direct sunlight and without exposure to extreme temperatures.
• After opening, ensure clean handling to prevent secondary contamination of the raw material.
• During handling, follow standard principles of good laboratory and manufacturing practice.
• In the finished cosmetic product, applicable regulatory limits for preservatives must be respected and the suitability of use in the specific formulation must be verified.
• The raw material is suitable for vegan formulations; the manufacturer also declares the absence of GMO, PFAS, palm-derived ingredients, intentionally added microplastics and intentionally added nanomaterials.
• The manufacturer also declares the absence of allergens according to the relevant annex of cosmetic legislation and the absence of parabens, fragrances or formaldehyde in the supplied raw material.

FAQ