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| Catalog Number | CI-SC-0250 |
| Product Name | Glycereth-26 |
| CAS | 31694-55-0 |
| Structure |  |
| Description | Acts as a liquid emulsifier, water-binding, foam modifier, humectant and thickening agent. Glycereth-26 possesses moisturizing properties. Recommended for make-up, creams, lotions, anti-perspirants, beauty masks, depilatories, skin- and hair care formulations. |
| Appearance | Clear to hazy straw liquid |
| Application | Emulsions for skin and hair care products |
| Storage | Store light-protected at a cool and dry place |
| HS Code | 1520000000 |
| INCI | Glycereth-26 |
| Uses | Recommended use level 1-5%. For external use only. |
Glycereth-26 is utilized primarily in personal care formulations due to its effective properties as a moisturizing agent and an excellent lubricant. It acts as a humectant, aiding in the retention of moisture within formulations, which enhances the overall hydration profile of products. Additionally, Glycereth-26 serves as an efficient emulsifier and stabilizer in various cosmetic applications, contributing to product consistency and stability. Its versatile nature makes it an essential ingredient for improving the texture and sensory feel of skincare and haircare products.
Groeneveld, Gino, et al. Journal of Chromatography A, 2018, 1569, 128-138.
Comprehensive two-dimensional liquid chromatography coupled with high-resolution mass spectrometry (LC × LC-HRMS) was used to characterize polyether polyol formulations, including (i) castor oil ethoxylates (COE) reacted with different molar equivalents of ethylene oxide and (ii) mixed formulations consisting of glycerol ethoxylate (Gly-EO), glycerol propoxylate (Gly-PO), and glycerol ethoxylate-random propoxylate copolymers (Gly-EO/PO). Artificial formulations were created by mixing the above ingredients in different proportions.
A high level of orthogonality was established between the initial hydrophilic-interaction-chromatography dimension and the subsequent reversed-phase dimension, effectively separating species based on the level of ethoxylation and the degree of propoxylation or the length of the alkyl chain, respectively.
In the case of a mixed formulation, a group-type separation was successfully carried out between glycerol ethoxylate, glycerol propoxylate, and glycerol ethoxylate-random-propoxylate copolymer, enabling the determination of both the molecular weight and chemical composition distributions, providing insight into the apparent composition of the formulation.
Additionally, an efficient second dimension reversed-phase liquid chromatography (RPLC) separation was developed for castor oil treated with various mole equivalents of ethylene oxide, effectively separating different mono-, di-, tri-, tetra-, and pentaesters containing ricinoleate, oleate, linoleate, stearate, and various combinations of these fatty acids.
What is Glycereth-26 and how is it related to Glycereth-12 in terms of chemical structure and applications?
Glycereth-26 is a glycerine ether similar to Glycereth-12, but with a higher number of ethylene oxide units, which may alter its physical and chemical properties. While both compounds serve as emulsifiers and have applications in personal care formulations, the differences in the number of ethylene oxide units could affect their viscosity and emulsifying capabilities, allowing for broader or different applications. Glycereth-26, like Glycereth-12, can act as a humectant and may also be incorporated into formulations as a lubricant or foam stabilizer.
What are some typical applications of Glycereth-26 in personal care products?
Glycereth-26 is commonly used as a humectant, helping to retain moisture in personal care products such as lotions, creams, and serums. Additionally, due to its emulsifying properties, it is valuable in formulations where stable emulsions are required. Its ability to stabilize foam makes it suitable for use in shampoos and other cleansing products.
How does the higher ethylene oxide content in Glycereth-26 affect its properties compared to Glycereth-12?
The higher ethylene oxide content in Glycereth-26 may enhance its water solubility and moisture retention capabilities. This increased solubility could make Glycereth-26 more suitable for applications where higher degrees of hydration are desired or where the formulation demands a clear solution. This structural variation might also influence its lubricating properties, potentially expanding its usage in different types of formulations.
Are there any safety considerations or regulatory concerns associated with the use of Glycereth-26 in formulations?
As with any ingredient used in personal care formulations, it is crucial to follow regulatory guidelines and safety assessments when incorporating Glycereth-26 into products. Generally recognized for use due to its stability and compatibility with other ingredients, formulators should ensure its concentration levels are appropriate for the intended application and that the product meets all regulatory requirements for the target market.
Can Glycereth-26 be used in applications outside of personal care, similar to Glycereth-12?
Yes, like Glycereth-12, Glycereth-26 can potentially be used in industrial applications, such as a lubricant for wire-pulling, thanks to its smooth, viscous nature that minimizes friction. Its versatility in performance and compatibility with various substrates makes it suitable for a wide range of non-cosmetic applications where lubrication and moisture retention are beneficial.
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