Personal care composition containing a biosurfactant
AssigneeThe Procter & Gamble Company
InventorsHoward David HUTTON, III, Isoken Omosefe IGWEKALA-NWEKE, Dean Arthur ZIMMERMAN
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Abstract
A sulfate-free personal care composition that includes a rhamnolipid surfactant and provides good cleaning and foaming properties. The rhamnolipid surfactant has a single rhamnose head group (i.e., mono-rhamno) and a single lipid tail group (i.e., mono lipid). The single lipid tail group has a carbon chain length of 10 to 13. The composition may include one or more additional surfactants selected from anionic surfactants, amphoteric surfactants, zwitterionic surfactants, non-ionic surfactants, cationic surfactants and combinations thereof, as long as the additional surfactant is free of sulfates. The composition also includes a dermatologically acceptable carrier.
Claims20
A surfactant system, comprising:
- a rhamnolipid surfactant comprising:
- a mono-rhamno-mono-lipid surfactant selected from Rha-C10, Rha-C11, Rha-C12, Rha-C13 and combinations thereof;
- and
- a di-rhamno-di-lipid surfactant;
- wherein the rhamnolipid surfactant comprises about 25% to about 75%, by weight of the rhamnolipid surfactant, of the mono-rhamno-mono-lipid surfactant.
A surfactant system, comprising:
- a rhamnolipid surfactant comprising:
- a mono-rhamno-mono-lipid surfactant selected from Rha-C10, Rha-C11, Rha-C12, Rha-C13 and combinations thereof;
- and
- a di-rhamno-di-lipid surfactant;
- an additional surfactant selected from anionic surfactants, amphoteric surfactants, zwitterionic surfactants, non-ionic surfactants, cationic surfactants and combinations thereof, wherein the additional surfactant is free of sulfates;
- wherein the rhamnolipid surfactant comprises less than about 50%, by weight of the rhamnolipid surfactant, of a di-rhamno-di-lipid surfactant.
Dependencies are inferred from the claim text.