Potassium sorbate
Potassium sorbate is synthetically produced by reacting potassium hydroxide with sorbic acid.
It is also available naturally from some fruit berries but rarely in commercial quantity.
It is effective against yeasts and moulds but only some bacteria and works best with products that have a pH of 5.
Potassium sorbate can be used effectively with water-based products to inhibit mould.
Usually only used in products with a very high water content as in linen sprays. Cannot be used as a preservative in creams, etc. Can be used in conjunction with, but does not take the place of, a broad spectrum preservative such as Geogard 221.
Add to the water phase of formulations at a temperature below 60°C. If adding it after oil and water phases have been combined, predissolving the required potassium sorbate in a portion of the water phase will make it easier to incorporate into the formed emulsion.
Common Name: Potassium Sorbate
INCI: Potassium sorbate
Certification: Conventional
Appearance: Fine cream granules
Origin: China
Solubility: Water
Usage Rate: 0.1% - 0.5%
pH Range: 3 - 6
Vegan: Yes
Animal Tested: No
All our products are for external use only.
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General Care, Safety & Storage Information:
- Go Native New Zealand specialise in skincare, cosmetic and aromatherapy ingredients. We are NOT licensed to sell food. This means our products are not food grade, for this reason we advise you not to use our products internally, or for culinary purposes
- Always follow product-specific notes or directions.
- Keep all products out of reach of pets and children.
- We recommend storing all products in a dark, damp-free, cool place at room temperature (unless stated otherwise).
- Keep your products away from direct sunlight.
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