Personal care, formulators are always seeking an ingredient that provides natural emollience across a wide variety of use platforms that is natural with proven efficacy. Look no further! Koster Keunen is delighted to introduce their first jojoba ester Kester K-45, the perfect solid ester created by transesterification of jojoba oil and wax.
Broad Range of Benefits in Personal Care Chemistry
Kester K-45 offers a superior variety of benefits across the personal care products spectrum, while delivering excellent emolliency. And in formulation, few things beat an ingredient that delivers in both beauty and product performance. Kester K-45 moisturizes and protects skin, while also strengthening the skin’s own barrier. This solid ester offers non-greasy emollience, stability, and a luxurious skin feel.
Applications across Beauty Platforms
Because it enhances the feel and emollience of personal care products while resembling ceramides, Kester K-45 is useful across formulations for skin and hair. From protective systems, like sunscreens and deodorants, to color cosmetics and hair treatments, this versatile, natural ester supports formulations that hit the sweet spot, imparting moisture with a pleasant feel.
Example formulations featuring Kester K-45 will be coming soon!
At Koster Keunen, we are committed to innovative approaches to formulation. We are pleased to offer a wide variety of sample formulations to both showcase our waxes and offer ideas and examples. Whether you are looking for a new approach or a custom blend, our formulators are happy to discuss your brand’s wax needs. Contact us to start a conversation!
About Koster Keunen
Koster Keunen has been working with wax since 1852 and has used our extensive experience and knowledge base to continuously develop new chemistries. Whether you are developing a new product, or need help with a reformulation or replacement, contact us to learn more about how we source, refine or develop waxes so you can create the perfect formula.




