Product Introduction

Stearalkonium hectorite is an organically modified hectorite clay, and it is primarily used in cosmetic formulations. It functions as a suspending agent, viscosity control agent, and emulsion stabilizer. This ingredient helps to improve the texture and stability of various personal care products. Stearalkonium hectorite is derived from the natural clay mineral hectorite, modified with a quaternary ammonium compound.

Production Process

The production of stearalkonium hectorite involves several steps. First, the raw hectorite clay is mined and purified to remove impurities, and the purified clay is then dispersed in water to form a slurry. Next, a quaternary ammonium compound, typically stearalkonium chloride, is added to the clay slurry.The quaternary ammonium compound replaces the inorganic cations present in the hectorite clay, modifying its surface properties. This modification makes the clay organophilic, allowing it to swell and disperse in organic solvents and oils. Following the modification, the material is dried and milled into a fine powder. Quality control tests are performed to ensure the final product meets the required specifications for purity, particle size, and performance.

Efficacy and Function

Stearalkonium hectorite is valued for its rheological properties in cosmetic formulations. It effectively increases the viscosity of oil-based systems, thereby providing enhanced stability to emulsions and suspensions. It helps prevent the settling of solids in formulations, ensuring a uniform distribution of ingredients, and it also contributes to the texture and feel of the final product, offering a smooth and luxurious application. This ingredient can also enhance the water resistance of sunscreen formulations, as well as control the gloss of lipsticks [1].

Application Scenarios

Stearalkonium hectorite is used in a wide array of cosmetic and personal care products. Common applications include creams and lotions, where it acts as a stabilizer and thickener. It is also used in makeup products like foundations, concealers, and mascaras, where it ensures uniform pigment dispersion and long-lasting wear. In sunscreen formulations, it aids in creating a water-resistant barrier. Additionally, it can be found in hair care products such as styling gels and creams, contributing to texture and hold.

Packaging and Transportation

Stearalkonium hectorite is typically packaged in multi-layer paper bags or fiber drums with polyethylene liners to protect it from moisture and contamination. Packaging sizes generally range from 10 kg to 25 kg, depending on the manufacturer and customer requirements. During transportation, it should be stored in a cool, dry place, away from direct sunlight and extreme temperatures. It should be handled carefully to avoid damage to the packaging, which could lead to spillage or contamination. Transportation regulations for non-hazardous materials apply, ensuring safe and compliant delivery.

Citations

[1]https://online.personalcarecouncil.org/jsp/CIRList.jsp?regno=328

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