Natural Emulsifiers for Stable Oil-in-Water Emulsions with Long Shelf Life
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I am looking for a natural emulsifier to create a stable emulsion of water and fractionated coconut oil for a commercial product that requires a shelf life of up to 2 years. I am specifically interested in a "natural 100%" emulsifier, not just "natural-derived", if possible, and understand the potential challenges in achieving high stability with purely natural options.
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Natural Emulsifiers for Stable Formulations
You are looking for a natural emulsifier to combine fractionated coconut oil and water for a product intended for commercial sale, requiring good stability and a long shelf life.
While 100% natural emulsifiers with a very long shelf life (e.g., 2 years) can be challenging to formulate with high stability, there are natural-derived options and some natural options that offer better stability than pure Soy Lecithin for commercial products.
Soy Lecithin powder is suitable for personal use products with a short shelf life (around 3 months) but is not recommended for commercial products due to potential issues with stability, color, odor, and separation over time.
For a stable emulsion of fractionated coconut oil and water for commercial sale, consider these emulsifiers:
Emulsifying Beeswax (Non-Ionic, Natural): This is a natural emulsifier that also acts as a thickener. It is suitable for creams and balms and is considered 100% natural with a shelf life of 2 years. Use at 0.5-5% (recommended 3%) by dissolving in the oil phase.
Sucrose Cream Maker™: A 100% natural-based, nonionic O/W emulsifier that creates stable emulsions with lamellar structures. It has a shelf life of at least 2 years. Use at 2-4% by mixing in the oil phase with heat (70 degrees Celsius).
Polyglyceryl-10 Stearate: Another 100% natural O/W emulsifier that creates a lamellar structure and provides a good texture. It has a shelf life of at least 2 years. Use at 1-10% by mixing in the oil phase.
LeciCream™ (Natural Emulsifier / Cream Maker): A natural emulsifier made from special grade Hydrogenated Lecithin, offering higher efficiency than general Hydrogenated Lecithin. Suitable for heavy creams and has a shelf life of at least 2 years. Use at 0.5-5% by dispersing in the oil phase.
Other natural-derived emulsifiers that can be used include:
Polyglyceryl-2 Triisostearate: Used as a water-in-oil emulsifier in make-up recipes with a shelf life of at least 2 years. Use at 2-4% by mixing in the oil phase.
Heptyl Glucoside: A high HLB emulsifier obtained from nature (sugar + castor oil), often used as a solubilizer but can act as a water-oil binder. Shelf life of at least 2 years. Use at 1-15% by mixing in water.
Caprylic/Capric Glycerides Polyglycerin-10 Esters: An oil-in-water emulsifier with an HLB of approximately 16, considered natural-derived. Shelf life of at least 2 years. Use at 1-6% by mixing in the oil phase.
Polyglyceryl-10 Palmitate: An emulsifier with an HLB of about 14 and a shelf life of at least 2 years. Use at 1-10% by mixing in the oil phase.
When formulating, always follow the recommended usage rates and mixing instructions for the chosen emulsifier to achieve a stable emulsion with fractionated coconut oil and water.
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Fractionated Coconut Oil
Polyglyceryl-10 Stearate
LeciCream™ (Natural Emulsifier / Cream Maker)
Polyglyceryl-2 Triisostearate
Heptyl Glucoside
Caprylic/Capric Glycerides Polyglycerin-10 Esters
Polyglyceryl-10 Palmitate
Emulsifying Beeswax (Non-Ionic, Natural)