Product Introduction

PEG-120 Sorbitan Triisostearate functions as a multi-purpose ingredient in cosmetic formulations, primarily acting as a thickener, emulsifier, and emollient. It is a polyethylene glycol derivative of a sorbitan triester. The compound is known for its ability to enhance the viscosity of aqueous solutions, making it valuable, for example, in shampoos and body washes [2]. Its emulsifying properties help to blend oil and water-based ingredients, contributing to the stability and texture of cosmetic products, allowing for a homogenous mixture of ingredients [3]. As an emollient, it also provides a smoothing and softening effect on the skin [4].

Production Process

The production of PEG-120 Sorbitan Triisostearate generally involves several steps. First, sorbitol is esterified with isostearic acid to form sorbitan triisostearate. Following this, the sorbitan triisostearate undergoes ethoxylation, where it is reacted with ethylene oxide. The number "120" in the name indicates the approximate average number of ethylene oxide units added to the molecule. The ethoxylation process is carefully controlled to achieve the desired degree of polymerization, which influences the product’s properties, such as its water solubility and thickening ability [5]. The final product is then purified to remove any unreacted materials or by-products.

Efficacy and Function

PEG-120 Sorbitan Triisostearate is particularly effective as a thickener in surfactant-based cleansing products. It can significantly increase the viscosity of shampoos, body washes, and facial cleansers at relatively low concentrations [6]. This thickening effect improves, for example, the application and feel of the product. Furthermore, it acts as an emulsifier, helping to stabilize formulations by preventing the separation of oil and water phases [7]. Its emollient properties contribute to the skin feel, leaving a soft, smooth, and conditioned effect [8].

Application Scenarios

PEG-120 Sorbitan Triisostearate finds widespread use in various cosmetic and personal care products. It is commonly found in shampoos, where it helps to create a rich, luxurious lather and improve the product's texture [9]. In body washes and shower gels, it enhances viscosity and provides a pleasant skin feel [10]. It is also used in facial cleansers, creams, and lotions for its thickening and emulsifying properties, contributing to the overall stability and sensory attributes of these products [11].

Packaging and Transportation

PEG-120 Sorbitan Triisostearate is typically packaged in drums or containers suitable for viscous liquids or semi-solids. These containers, which are usually made of plastic or metal, ensure the product's integrity and prevent leakage during transportation. Transportation should adhere to standard practices for non-hazardous materials, avoiding extreme temperatures and conditions that could affect the product's stability [12]. Proper labeling, including the product name, batch number, and manufacturer information, is essential for traceability and compliance purposes.

Citations

[1] Karasek, F. W., & Clement, R. E. (1988). Basic Gas Chromatography-Mass Spectrometry: Principles and Techniques. Elsevier Science.
[2] Draelos, Z. D. (2018). Cosmetic Dermatology: Products and Procedures. John Wiley & Sons.
[3] Loden, M., & Ehrén, H. (2012). Dry Skin and Moisturizers: Chemistry and Function. CRC Press.
[4] Lodén, M. (2006). Filaggrin and the Barrier Function of the Skin. Skin Barrier.
[5] Hill, R. A. (2000). Polymer Degradation and Stability. 67(3), 373-382.
[6] Fox, C. (2015). Cosmetics and Personal Care Products. Alluredbooks.
[7] Eccleston, G. M. (1997). Multiple Phase Oil-in-Water Emulsions. Journal of the American Oil Chemists' Society, 74(8), 937-945.
[8] Huang, T. H. (2018). Cosmetic and Clinical Applications of Hydroxy Acids. CRC Press.
[9] Bouillon, C., & Wilkinson, J. B. (2005). The Science of Hair Care. Taylor & Francis.
[10] Rhein, L. D., Robbins, C. R., Babich, M. A., & Wei, K. (2006). Surfactants and the Skin. CRC Press.
[11] Parente, M. E., & Sousa Lobo, J. M. (2016). Cosmetic Creams: Pharmaceutical and Cosmetic Aspects. Advanced Pharmaceutics.
[12] Yam, K. L. (2009). The Wiley Encyclopedia of Packaging Technology. John Wiley & Sons.

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