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| Catalog Number | CI-SC-0241 |
| Product Name | PPG-15 Stearyl Ether |
| CAS | 25231-21-4 |
| Structure |  |
| Description | Acts as liquid antistat, conditioner, emulsifier, and emollient. Oxylated alcohols offer a range of HLB values and are emulsifying and solubilizing agents for a wide variety of formulations. Saponification value 2.0 maximum. |
| Appearance | Clear colorless oily liquid |
| Application | Emulsions for skin and hair care products |
| Storage | Store light-protected at a cool and dry place |
| HS Code | 3402130000 |
| INCI | PPG-15 stearyl ether |
| Uses | Recommended use level 1-5%. For external use only. |
PPG-15 Stearyl Ether is a versatile ingredient renowned for its outstanding emollient, solvent, and emulsifying properties, with an HLB value of 7. This clear liquid is soluble in various substances, including mineral oil, isopropyl ethers, and several types of alcohols, but remains insoluble in water, propylene glycol, and glycerin. Its utility is highlighted in its widespread use in cosmetic products across the EU and USA, supported by its long-standing safety profile and chemical stability, even in extreme pH environments. When paired with specific emulsifiers, PPG-15 Stearyl Ether can form oleosomes, sophisticated oil-in-water emulsion structures that enhance the formulation by improving the solubility of poorly water-soluble ingredients, controlling the release of active substances, and protecting delicate molecules. Additionally, it serves as an effective penetration enhancer, aiding the delivery of active ingredients through the skin while providing a velvety feel, improved moisturization, and enhanced skin elasticity.
What is PPG-15 Stearyl Ether?
PPG-15 Stearyl Ether is a polyoxypropylene (15 moles) ether with stearyl alcohol. It serves as an exceptional emollient ingredient, known for its excellent solvent and emulsifying properties and a Hydrophilic-Lipophilic Balance (HLB) value of 7. It is commonly used in cosmetic and medicinal formulations due to its ability to enhance texture and product performance.
What are the solubility properties of PPG-15 Stearyl Ether?
PPG-15 Stearyl Ether is a clear liquid that is soluble in mineral oil, isopropyl ethers, cottonseed oil, ethanol, isopropanol, and hexadecyl alcohol. However, it is insoluble in water, propylene glycol, and glycerin. These solubility properties make it versatile for use in oil-based formulations.
Is PPG-15 Stearyl Ether safe for use in cosmetic products?
Yes, PPG-15 Stearyl Ether has a long history of safe use in cosmetic products and is included in various medicinal products commercialized in both the EU and the USA. It is chemically stable and resistant to extreme pH conditions, reinforcing its safety and reliability in personal care applications.
What role does PPG-15 Stearyl Ether play in the formation of oleosomes?
When combined with selected emulsifiers, PPG-15 Stearyl Ether can create liquid crystal structures known as oleosomes, even at low concentrations. These oil-in-water emulsion structures consist of multiple layers of water, emollient, and emulsifier, which offer benefits such as improving the dissolution of poorly water-soluble active ingredients, controlling the release of actives, and protecting and facilitating the transport of delicate molecules.
How does PPG-15 Stearyl Ether enhance cosmetic formulations?
PPG-15 Stearyl Ether enhances cosmetic formulations by acting as a penetration enhancer, helping to deliver active ingredients through the skin efficiently. It imparts a velvety feel, improves moisturization, and enhances skin elasticity. Its role in forming oleosomes also contributes to the stable and effective delivery of active ingredients within the formulation.
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