As the weather warms up, skin care takes center stage for many consumers looking to minimize the effects of the sun and wind as they spend more time outdoors. With the right emulsifier, a cream or lotion can provide a high level of moisturization as well as a luxurious cushiony feel to make your product stand out from the crowd. Koster Keunen’s new offerings, Kostol NatureMuls and Kostol Natural E, are Non-GMO, natural O/W emulsifiers that combine desirable natural provenance with highly beneficial formulation properties.

Emulsifiers as the Basis for Textures

From the firmness of hair styling products to the effortless flow of eye serums, consumers have come to expect that every texture is possible and will be ready at their fingertips. And more often, they are looking for those dependable textures to meet their growing expectations of natural, sustainable, and traceable ingredient lists.

Kostol NatureMuls brings a lot to the table. It ticks a number of current market trend boxes, as a natural, PEG-free emulsifier that is US-made, and fully traceable. Kostol NatureMuls acts as a barrier to moisture loss, so it enhances emollient ingredient performance. It creates formulas with medium to long emulsion break, which allows you to formulate rich creams, eye serums, and other skin care products that require silky, luxurious texture. The Night Cream formula highlights the use of Kostol NatureMuls to create that highly desired texture.

The Night Cream (clean ingredient formula)

Formula#: 8/20-577/587-3

Ingredient Trade Name INCI Name %
Phase A
Deionized Water Aqua 63.4
Glycerin Glycerin 4.0
Pemulen TR-1 Acrylates/C10-30 Alkyl Acrylate Crosspolymer 0.1
NaOH 10% Sodium Hydroxide 0.4*
Optiphen Phenoxyethanol, Caprylyl Glycol 1.0
Phase B  
Kostol NatureMuls Candelilla/Jojoba/Rice Bran Polyglyceryl-3 Esters, Glyceryl Stearate, Cetearyl Alcohol, Sodium Stearoyl Lactylate 7.0
NaturalAtum Canola Oil, Ricinus Communis (Castor) Seed Oil, Polyhydroxystearic Acid, Euphorbia Cerifera (Candelilla) Wax, Helianthus Annuus (Sunflower) Seed Wax, Tocopheryl Acetate 6.5
Kester Wax K-24 Lauryl Laurate 5.0
Kester Wax K-48 Cetyl Palmitate 3.5
Dermol PETIS Pentaerythrityl Tetraisostearate 4.0
Jeechem CTG Caprylyc/Capric Triglyceride 5.0
Vitamin E Acetate Tocopheryl Acetate 0.1

Kostol Natural E is a strong emulsifier that also checks off all the boxes for eco-conscious consumers, being natural and plant based. It can be used as a primary or secondary emulsifier, depending on the texture you are looking for. It will thicken well and holds high levels of solids and oils, making it a top choice for formulations from lotions to body butters. At the same time, Kostol Natural E allows your formulation team to create suitable textures, even in challenging systems such as sulfate-free surfactant systems. In the Double-Cream Luxury Cleanser, Kostol Natural E provides a soft, pleasant feel.

Double-Cream Luxury Cleanser

Formula #: 7/20-414/120-5

Ingredient Trade Name INCI Name %
Phase A
Deionized Water Aqua 52.1
Glycerin Glycerin 4.5
Plantaren 1200 N UP Lauryl Glucoside 15.0
Plantaren 818 UP Coco-Glucoside 15.0
Phase B
Kostol Natural E Behenyl Alcohol, Polyglyceril-3 Stearate 5.0
Kester Wax K-48 Cetyl Palmitate 7.5
Aromatic Calendula Extract Blend3 Calendula Officinalis Extract 0.1
Phase C
Citric Acid Citric Acid 0.2
Optiphen ND Phenoxyethanol, Benzoic Acid, Dehydroacetic Acid 0.6

Uniqueness of formula and texture depend on getting the system right. Koster Keunen’s natural emulsifiers form the basis for a variety of cosmetic formulas and provide a breadth of utility and wide range of benefits to the systems you use them in. If you are looking for the perfect emulsifier or emulsifier combination for your products, we would be happy to help. Please contact us to discuss your formulation needs today.

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.