Development of Novel Cosmetic Base Using Sterol Surfactant. I. Preparation of Novel Emulsified Particles with Sterol Surfactant+
Year: 2008
Type: article
Abstract: We have developed various kinds of ultrafine emulsifying methods using random copolymer of polyoxyethylene (POE)/polyoxypropylene (POP) dimethyl ether [EPDME]. Among ultrafine emulsions made by these methods, it was revealed that an O/W type emulsion, which had prepared with EPDME, sterol surfactant, and polar oils, had a unique structure that had a lamellar structure on the surface of emulsified particles. To clarify the character of the particles and the mechanism of the emulsification, investigation using small angle X-ray scattering (SAXS) measurement and the phase diagram of the emulsion system was done. FF-TEM observation indicated that a few lamellar layers were deposited from the oily ingredients on the surface of the emulsified particle. It was also presumed that the lamellar structure was formed with sterol surfactant and polar oil. The phase diagram analysis suggested that EPDME could form emulsified particles having lamellar structure on the surface of the particle with hydrophilic sterol surfactant in polar oils.
Source: Journal of Oleo Science
DOI: 10.5650/jos.57.567
Institution: Shiseido Group (Japan)
Language: English
Subfield: Physical and Theoretical Chemistry
Field: Chemistry
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $301
OpenAlex ID: W1994039716