PEG-40 Hydrogenated Castor Oil
A versatile, water-soluble emulsifier and solubilizer derived from castor oil, ideal for creating stable emulsions and clear formulations.
PEG-40 Hydrogenated Castor Oil is a water-soluble ester of castor oil, modified with ethylene glycol to create an emulsifier and solubilizer commonly used in cosmetics and personal care formulations. It is known for its ability to solubilize essential oils and other oil-based ingredients in water-based products, making it ideal for clear formulations such as cleansers, shampoos, body washes, and facial cleansers.
This ingredient also acts as a mild surfactant, contributing to the cleansing properties of products while maintaining a gentle feel on the skin. PEG-40 Hydrogenated Castor Oil helps create stable emulsions, reduce greasiness, and enhance the spreadability of the final product.
It is commonly used in hair care, skin care, and body care products to solubilize essential oils, improve texture, and ensure product clarity in formulas that contain both water and oils.
FEATURES
- Solubilizer – helps solubilize essential oils and other oil-based ingredients into water-based formulations.
- Emulsifier – helps stabilize emulsions, ensuring a smooth, homogeneous texture in formulations.
- Mild surfactant – provides mild cleansing action without stripping the skin of natural oils.
- Improves product clarity – ideal for clear formulations, such as gels and cleansers.
- Non-irritating – gentle enough for sensitive skin applications.
BEST FOR
- Shampoos and conditioners
- Body washes and liquid soaps
- Facial cleansers
- Moisturizing body lotions
- Hair serums and oils
- Clear gel formulations
FORMULATION GUIDELINES
| INCI | PEG-40 Hydrogenated Castor Oil |
|---|---|
| Type | Solubilizer, emulsifier, mild surfactant |
| Solubility | Water soluble |
| Use Rate | 1.0–5.0%, depending on the desired emulsification and solubilization effects. |
| Best Phase | Water phase or at cool-down phase (below 40°C) |
| pH Compatibility | Works well in a wide pH range (4.0–7.0), ideal for most personal care products. |
| Temperature Tolerance | Stable at typical formulation temperatures, but avoid high heat to preserve the ingredient’s efficacy. Add below 40°C during the cool-down phase. |
| Pro Tip | PEG-40 Hydrogenated Castor Oil is effective in clear gel formulations, such as shower gels and facial cleansers. It is particularly useful for solubilizing essential oils, making them easy to incorporate into aqueous systems without clouding. For products with multiple essential oils, test the solubilizer capacity to ensure the product remains clear and stable over time. |
| Appearance | Clear, colorless to pale yellow liquid |
| Stability Notes | Stable in a wide range of formulations, but always perform a 48-hour stability test to confirm clarity and texture after mixing. |
| Storage | Store in a cool, dry place, away from direct sunlight and excessive heat to preserve stability. |
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