Microemulsions, especially for skin or hair treatment

Details Microemulsions, especially for skin or hair treatment Microemulsions, especially for skin or hair treatment

2005-01-31

2008-07-15

Webb, Gregory (Department: 1751)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C424S070210, C510S137000, C510S138000, C510S407000

Reexamination Certificate

active

07399479

ABSTRACT:
The preferably optically clear, transparent or translucent micromulsion contains from 20 to 60 percent by weight water; from 3 to 20 percent by weight of an oil phase, which contains hydrophobic oil that is liquid at 25° C. and optionally dissolved lipophilic materials, and from 20 to 60 percent by weight of an emulsifier mixture. The emulsifier mixture contains at least one first emulsifier, which is an ethoxylated castor oil and/or an ethoxylated hydrogenated castor oil, and at least one second emulsifier with an NRU50value greater than 110 μg/ml. The microemulsion is usable as a cosmetic, dermatological or pharmaceutical preparation, especially as an agent for hair treatment.

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