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| Catalog Number | CI-SC-0324 |
| Product Name | PEG-100 Stearate |
| CAS | 9004-99-3 |
| Description | Solid polyethylene glycol ester of stearic acid. It functions as an effective emollient, emulsifier and surfactant. It is used in facial cleansers, creams and lotions, shampoos. |
| Appearance | White to off white flakes or beads |
| Application | Emulsions for skin and hair care products |
| Storage | Store light-protected at a cool and dry place |
| HS Code | 3402130000 |
| INCI | PEG-100 stearate |
| Uses | Recommended use level 1-5%. For external use only. |
PEG-100 Stearate, a poly-ethoxylated derivative of stearic acid, serves a multifunctional role in skincare formulations. With a high HLB value of 18.8, this compound acts effectively as a nonionic surfactant, emulsifier, and solubilizer, facilitating the formation of stable emulsions by integrating lipophilic and hydrophilic components. Its ability to combine salts and electrolytes enhances the robustness of these formulations. Widely utilized in products such as hand soaps, lotions, and creams, PEG-100 Stearate is also employed alongside emulsifiers with lower HLB values, like Glyceryl Stearate, to achieve a smooth, creamy texture in oil-in-water emulsions. Additionally, it functions as a solubilizer in perfumes, bath oils, and aqueous alcoholic solutions and serves as a viscosity enhancer and humectant in night creams, contributing to a favorable sensory experience.
What is PEG-100 Stearate, and how is it manufactured?
PEG-100 Stearate is a nonionic surfactant and emulsifier derived from the poly-ethoxylation of stearic acid, which has an 18-carbon backbone. It consists of 100 moles of ethylene oxide, which constitutes the polymer part. The product's raw materials are of mixed origins, both petrochemical and botanical. It appears as a white to light brown solid with a negligibly specific fatty scent.
What are the primary uses of PEG-100 Stearate in skincare formulations?
PEG-100 Stearate is widely used in skincare preparations due to its excellent hydrophilic properties. It serves as a nonionic surfactant, solubilizer, and emulsifier with a high HLB value of 18.8. These properties enable it to produce stable oil-in-water emulsions with lipophilic ingredients. It is commonly found in hand soaps, lotions, and creams. Additionally, it acts as a solubilizer for perfumes, bath oils, or other aqueous alcoholic preparations, and it is also a viscosity builder and humectant in night and replenishing creams.
What benefits does PEG-100 Stearate offer in skincare products?
PEG-100 Stearate provides several benefits in skincare products, including its ability to stabilize emulsions, especially when combined with other emulsifiers like Glyceryl Stearate. This results in a creamy consistency and a pleasant sensory profile for formulations. It also allows for the inclusion of salts and other electrolytes in emulsions, enhancing the stability and efficacy of the products.
Can PEG-100 Stearate be used with other emulsifiers?
Yes, PEG-100 Stearate is often used alongside other emulsifiers with lower HLB values, such as Glyceryl Stearate. This combination helps form stable oil-in-water emulsions that have a creamy texture and an appealing sensory experience. The use of PEG-100 Stearate in combination with other emulsifiers enhances the stability and performance of the final product.
Is PEG-100 Stearate suitable for use in products containing perfumes or oils?
Absolutely, PEG-100 Stearate can act as a solubilizer for perfumes and bath oils, making it a versatile ingredient in skincare formulations. Its solubilizing ability extends to a variety of aqueous alcoholic preparations, further broadening its application in personal care products.
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