Food Additive

Potassium sorbate uses in cosmetics South Korea

Product Description:
Potassium sorbate, a widely recognized preservative, has found a prominent place in the realm of South Korean cosmetics. Renowned for its ability to extend the shelf life of products and maintain their quality, this multifunctional ingredient has become a staple in the formulation of cosmetics.


Potassium sorbate is white to light yellow scale-like crystals, odorless or slightly odorous, it is easy to absorb moisture and oxidize and decompose to change color after long-term exposure to the air. Melting point 270°C, potassium sorbate is easily soluble in water, 67.6g/100ml (20°C); 5% saline, 47.5g/100ml (20°C); 25% sugar water, 51g/100ml (20°C). Soluble in propylene glycol, 5.5g/100ml; ethanol, 0.3g/100ml.The pH of 1% potassium sorbate aqueous solution is 7~8.

Item Standard
Appearance White Granular
Assay(%) 99.0--101.0
Free Alkali(as Sorbic Acid)  <1%
Free ALkali(as K2CO3)  <1%
Heavy Metals(as Pb) ≤10ppm

The CTFA (Cosmetic and Fragrance Association) of the United States classifies sorbic acid and potassium sorbate as safe products for use in cosmetics.

Sorbic acid is insoluble in water, it must be dissolved in ethanol or potassium bisulfate before use, which is inconvenient and irritating to use, so it is generally not commonly used; while potassium sorbate does not have their disadvantages and is easily soluble in water , Wide range of use, we can often see it in some beverages, preserved fruits, canned food and cosmetics.


How do Korean cosmetics utilize the efficacy of potassium sorbate?

From skincare to makeup, here's how South Korean cosmetics leverage the benefits of potassium sorbate:

1. Preservation Power

Potassium sorbate's primary role in cosmetics is as a preservative. It effectively inhibits the growth of microorganisms, such as bacteria and fungi, preventing product spoilage and contamination.

2. Extended Shelf Life

By curbing microbial growth, potassium sorbate ensures that cosmetics remain stable and effective for a longer duration. This is particularly crucial in products that are prone to degradation over time.

3. Aqueous Formulations

South Korean cosmetics often contain water-based formulations, which can be susceptible to microbial growth. Potassium sorbate is especially valuable in preserving the integrity of these water-based products.

4. Skincare Products

Potassium sorbate finds its way into various skincare products, including creams, lotions, and serums. It maintains the freshness of these products and safeguards the potency of active ingredients.

5. Makeup Formulations

Even makeup products like liquid foundations, BB creams, and mascaras can benefit from the preservative properties of potassium sorbate. It ensures that these products remain safe and hygienic to use.

6. Natural and Organic Products

As consumer demand for natural and organic cosmetics rises, potassium sorbate's approval for use in certified organic products makes it a preferred choice for formulators aiming to meet such preferences.

7. Minimal Impact on Formulations

Potassium sorbate's solubility in water simplifies its integration into cosmetic formulations without significantly altering their texture, consistency, or performance.

8. Safe and Recognized Ingredient

Potassium sorbate is recognized as safe by regulatory bodies, making it a trusted choice for cosmetics manufacturers in South Korea.

9. Compatibility with Other Ingredients

Potassium sorbate is generally compatible with a wide range of cosmetic ingredients, making it versatile in various formulations.

10. Compliance with Regulations

Potassium sorbate usage in cosmetics complies with South Korea's regulatory standards and international guidelines for safe cosmetics manufacturing.


As the South Korean cosmetics industry continues to innovate and thrive, the integration of potassium sorbate showcases its commitment to delivering high-quality products that prioritize safety, efficacy, and consumer satisfaction.



We offer you Potassium Sorbate products in well-designed packaging with a weight of 25 kg per bag to South Korea. We are well aware of the importance of packaging in terms of product quality assurance, convenient storage and transportation. Each bag undergoes strict quality control to ensure that the product you receive is presented in top condition. We are committed to providing quality Potassium Sorbate products while providing you with safe, secure packaging to meet your every need. Whether in storage, transport or use, our packaging is your trusted choice.


1. What is potassium sorbate?

Potassium sorbate is a potassium salt of sorbic acid, a naturally occurring compound. It is widely used as a preservative in various industries, including cosmetics, to prevent the growth of microorganisms and extend the shelf life of products.


2. Why is potassium sorbate used in cosmetics?

Potassium sorbate is used in cosmetics as an effective preservative to prevent microbial growth, maintain product quality, and extend the shelf life of various formulations.


3. What types of cosmetics use potassium sorbate?

Potassium sorbate is found in a wide range of cosmetics, including skincare products like creams, lotions, serums, and makeup products such as foundations, BB creams, and mascaras.


4. How does potassium sorbate preserve cosmetics?

Potassium sorbate works by inhibiting the growth of bacteria, yeasts, and molds, which are responsible for product spoilage and contamination. It helps maintain the integrity and safety of cosmetics over time.


5. Is potassium sorbate safe for use in cosmetics?

Yes, potassium sorbate is considered safe for use in cosmetics when used within specified concentration limits. It has been evaluated and approved by regulatory authorities for its safety in cosmetic formulations.


6. Does potassium sorbate alter the texture of cosmetic products?

Potassium sorbate is water-soluble and generally has minimal impact on the texture, consistency, or performance of cosmetic products. It integrates well into various formulations without significant alteration.


7. Can potassium sorbate be used in natural and organic cosmetics?

Yes, potassium sorbate can be used in natural and organic cosmetics, as it is approved for use in certified organic products and aligns with the preferences of consumers seeking natural alternatives.


8. How does potassium sorbate comply with regulations in South Korea?

Potassium sorbate usage in cosmetics aligns with South Korea's regulatory standards for safe cosmetics manufacturing. It meets international guidelines and is approved by relevant regulatory bodies.


9. Can potassium sorbate be used alongside other cosmetic ingredients?

Yes, potassium sorbate is generally compatible with a wide range of cosmetic ingredients, making it versatile and suitable for various formulations.


10. Does the use of potassium sorbate impact consumer satisfaction?

Yes, by preserving the quality and safety of cosmetics, potassium sorbate contributes to consumer satisfaction by ensuring that products remain effective and free from microbial contamination.


The incorporation of potassium sorbate in South Korean cosmetics reflects the industry's commitment to delivering products that meet high standards of safety, efficacy, and longevity, aligning with the evolving preferences of consumers.