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Non-ionic O/W emulsifier based on ethoxylated fatty alcohols with high emulsion stability across broad pH and electrolyte ranges.
Enables formation of fine, uniform droplets for improved active ingredient delivery and sensory performance in final formulations.
Compatible with a wide range of cosmetic actives, preservatives, and co-surfactants — ideal for complex multifunctional systems.
Offers excellent cold-process compatibility, supporting energy-efficient, low-shear manufacturing without compromising emulsion integrity.
Provides mildness profile suitable for sensitive skin applications, including facial care and baby products.
Oil-in-water moisturizing creams and lotions for face and body.
Sunscreen formulations requiring photostable, non-greasy emulsification.
Makeup base and BB/CC creams with high pigment dispersion stability.
Post-shave and after-sun soothing gels and milks.
Light-textured hair conditioners and leave-in treatments.
| Chemical Type | Non-ionic surfactant (C12–C15 alcohol ethoxylate, avg. 40 EO) |
| Product Form | Pale yellow to light amber viscous liquid |
| Appearance | Clear to slightly opalescent, homogeneous liquid at 25 °C |
| pH (1% aqueous solution) | 5.5 – 7.0 |
| Active Content | 98 – 100 wt.% |
| Solubility | Freely soluble in water and common organic solvents (e.g., ethanol, propylene glycol) |
| Storage Stability | Stable for ≥24 months in unopened original packaging at 5–30 °C |
| INCI Name | Laureth-40 / Myreth-40 |
Q1: What is the primary function of Emulan EL40 Emulsion in cosmetic and personal care formulations?
A: Emulan EL40 Emulsion is a non-ionic O/W emulsifier based on glyceryl stearate citrate and PEG-75 stearate. It is designed to stabilize oil-in-water emulsions, delivering smooth texture, good skin feel, and improved compatibility with active ingredients and electrolytes.
Q2: Is Emulan EL40 suitable for use in rinse-off versus leave-on products?
A: Yes — Emulan EL40 is widely used in both rinse-off applications (e.g., shampoos, body washes) and leave-on systems (e.g., lotions, creams), offering versatility across formulation types. Its mildness and low irritation potential support suitability for sensitive-skin and baby-care products when formulated appropriately.
Q3: How should Emulan EL40 be incorporated into an emulsion system?
A: It is typically added to the oil phase and heated to 70–75 °C before homogenization with the aqueous phase. Pre-mixing with other oil-soluble ingredients improves dispersion. Cooling rate and shear application during emulsification influence final viscosity and stability.
Q4: Does Emulan EL40 require co-emulsifiers or stabilizers in typical formulations?
A: While Emulan EL40 can function effectively as a primary emulsifier in many systems, synergistic combinations with fatty alcohols (e.g., cetyl alcohol) or structurants (e.g., xanthan gum) are often used to enhance rheology, improve thermal stability, or adjust sensory profile — especially in higher-oil or high-electrolyte formulations.
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