2-[Hydroxy(polyethyleneoxy)propyl]heptamethyltrisiloxane is a chemical compound that belongs to the family of organosilicon compounds. It features a unique molecular structure that incorporates a siloxane backbone (Si-O-Si units) combined with polyethylene glycol (PEG) groups and a hydroxyl group. The compound's siloxane portion provides flexibility, thermal stability, and water repellency, while the polyethylene glycol component imparts hydrophilic properties, which enhance its compatibility with aqueous systems.
This compound has been used primarily in the formulation of personal care and cosmetic products. Its siloxane structure enables it to act as a silicone-based conditioning agent, improving the texture and feel of cosmetic formulations. Additionally, the polyethylene glycol portion of the molecule improves the compound's solubility and stability in water, making it useful in products where both hydrophobic and hydrophilic interactions are desired.
The main application of 2-[Hydroxy(polyethyleneoxy)propyl]heptamethyltrisiloxane is in the cosmetics and skincare industries. It is commonly found in hair care products, such as shampoos, conditioners, and styling treatments, due to its ability to enhance the spreadability and smoothness of formulations. Its siloxane structure gives products a silky, non-greasy feel, improving the appearance and manageability of hair. In skin care, it is used in moisturizers, serums, and sunscreens to improve skin hydration, provide a smooth application, and create a barrier against water loss.
In addition to its role as a conditioning agent, this compound has also been studied for its ability to enhance the delivery of active ingredients in cosmetic and pharmaceutical formulations. The hydrophilic PEG group enables it to interact with the skin's moisture, allowing it to serve as a carrier for water-soluble active ingredients. As a result, it can be used in formulations designed to improve the delivery and efficacy of active compounds, such as vitamins, peptides, or antioxidants, in skin care products.
2-[Hydroxy(polyethyleneoxy)propyl]heptamethyltrisiloxane has been shown to improve the stability and shelf-life of formulations by preventing the separation of water and oil components. It also contributes to the emulsifying properties of cosmetic products, allowing for the formation of stable emulsions. This is particularly important in the formulation of products like lotions, creams, and sprays, where both water and oil phases need to be effectively combined.
Due to its low toxicity and excellent skin compatibility, 2-[Hydroxy(polyethyleneoxy)propyl]heptamethyltrisiloxane is generally considered safe for use in cosmetic and personal care formulations. It is not known to cause significant irritation or allergic reactions in the concentrations typically used in these products. However, as with all cosmetic ingredients, it is recommended that individuals with sensitive skin perform a patch test before using products containing this compound.
In conclusion, 2-[Hydroxy(polyethyleneoxy)propyl]heptamethyltrisiloxane is a versatile organosilicon compound with significant applications in the cosmetic and personal care industries. Its ability to improve product texture, stability, and the delivery of active ingredients makes it valuable in hair care, skin care, and other cosmetic formulations.
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![CAS # 67674-67-3, 2-[Hydroxy(polyethyleneoxy)propyl]heptamethyltrisiloxane, Organo-Modified Siloxane, Heptamethyltrisiloxane ethoxylated, Heptamethyltrisiloxane-polyoxyethylene allyl ether copolymer, Dow Corning 5212](/structures/67674-67-3.gif)
Discovory and Applicatios