A go-to preservative for water-based personal care products, Potassium Sorbate helps prevent mold and yeast—keeping your creations fresh and shelf-stable without parabens. Easy to use, gentle on skin, and perfect for lotions, creams, toners, scrubs, and more.
Potassium Sorbate (INCI: Potassium Sorbate) is the potassium salt of sorbic acid, valued for its ability to inhibit mold and yeast in water-based formulations. It’s widely used in personal care products, particularly in natural and “clean beauty” lines, due to its gentle profile and paraben-free status.
Best suited for formulas with a final pH below 5.5 (optimal below pH 5), Potassium Sorbate works in synergy with other preservatives like sodium benzoate or phenoxyethanol to achieve full-spectrum protection against microbial growth. Typical usage ranges from 0.1% to 0.5%, though up to 1% may be used in more challenging formulations.
Ideal for lotions, creams, toners, makeup removers, gels, serums, scrubs, and other water-containing cosmetics, Potassium Sorbate is water-soluble and must be fully dissolved for best results. Because it is not broad-spectrum on its own, it’s important to pair it with a complementary preservative system and conduct microbial testing to confirm product safety.
Country Of Origin: China
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International Nomenclature of Cosmetic Ingredients (INCI):
Potassium Sorbate
Common Name Ingredient Listing (FDA Approved):
Potassium Sorbate
Directions:
Dissolve Potassium Sorbate into the water phase of your formulation below 60 °C, using 0.1% to 0.5% (up to 1% if needed). Adjust the final pH to 5.0 or lower for optimal performance. For full-spectrum preservation, pair with a complementary preservative such as sodium benzoate or phenoxyethanol. Suitable for lotions, creams, serums, toners, gels, sprays, and scrubs. Always validate your formula with stability and microbial testing.
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