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© 1978 Society of Cosmetic Chemists
Journal of the Society of Cosmetic Chemists, Vol. 29, No. 8, 497-521


Cosmetic properties and structure of fine-particle synthetic precipitated silicas
S. K. Wason

ABSTRACT

Synopsis

Submicron-fine particle, synthetic silicas are of three types: fumed silicas, silica gels and precipitated silicas. Recent research has led to the synthesis of a wide variety of new controlled-structure, functional-precipitated silicas which exhibit unique cosmetic and dentifrice properties. The end-use applications of the precipitated silicas can be controlled by controlling their structure. It is now possible to make predictions regarding the thickening, viscosity building, humectant demand index, dentifrice abrasive and polishing characteristics of the new class of synthetic, precipitated products. The methods of preparation, the chemistry, the structure and the new cosmetic applications of the precipitated products are discussed.

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© 1978 Society of Cosmetic Chemists
Journal of the Society of Cosmetic Chemists