Alpha-hydroxy fatty acid derivatives and composition for external use containing same

A novel oily base, which has excellent stability and a low melting point, dose not irritate the skin and is superior feel in use. And an external composition contains the oily base. The present invention is directed to an alpha-hydroxy fatty acid derivatives represented by the general formula (1): w...

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Bibliographische Detailangaben
Hauptverfasser:	IWAMOTO YOSHIKO, YAKUMARU MASAFUMI, NAKATSUGAWA HIROKO
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	A novel oily base, which has excellent stability and a low melting point, dose not irritate the skin and is superior feel in use. And an external composition contains the oily base. The present invention is directed to an alpha-hydroxy fatty acid derivatives represented by the general formula (1): wherein R1 represents a straight-chain or branched alkyl group having 10 to 24 carbon atoms, R2 represents a straight-chain or branched alkyl group having 1 to 31 carbon atoms, and R3 represents a straight-chain or branched alkyl group having 11 to 31 carbon atoms, and an external composition contains at least one of the derivatives.