Method for manufacturing microemulsion-type cosmetic

A method of preparing a fine oil-in-water emulsion comprising an oil phase based on silicone and/or hydrocarbon oils, in which the oil phase particles have an average particle size of 150 nm or less. The emulsion is stabilized by a carboxy-modified silicone in combination with a C16 to 22 higher alc...

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Bibliographische Detailangaben
Hauptverfasser:	Uyama, Makoto, Miyahara, Reiji
Format:	Patent
Sprache:	eng
Schlagworte:	HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	A method of preparing a fine oil-in-water emulsion comprising an oil phase based on silicone and/or hydrocarbon oils, in which the oil phase particles have an average particle size of 150 nm or less. The emulsion is stabilized by a carboxy-modified silicone in combination with a C16 to 22 higher alcohol; a nonionic surfactant having a POE chain and an HLB of 5 to 10; and a dihydric glycol. The emulsions can be prepared without the use of a high-pressure emulsifying apparatus.