Invention Grant
- Patent Title: Meta-stable cosmetic or skin care composition
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Application No.: US14655216Application Date: 2013-12-24
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Publication No.: US09918911B2Publication Date: 2018-03-20
- Inventor: Anil Shah , Jean-Thierry Simonnet , Carlos Crissien , Susan Halpern , Kevin Nikitczuk
- Applicant: L'OREAL
- Applicant Address: FR Paris
- Assignee: L'Oreal
- Current Assignee: L'Oreal
- Current Assignee Address: FR Paris
- Agency: McNees Wallace & Nurick LLC
- International Application: PCT/US2013/077642 WO 20131224
- International Announcement: WO2014/105878 WO 20140703
- Main IPC: A61K8/06
- IPC: A61K8/06 ; A61K8/37 ; A61K8/60 ; A61Q19/00 ; A61K8/49

Abstract:
A meta-stable composition, a product including the meta-stable composition, and a method of protecting a keratinous substrate from UV radiation by applying the product are provided. The meta-stable cosmetic composition includes at least one water-in-oil emulsifier having a hydrophilic-lipophilic balance (HLB) of less than 6, at least one non-ionic oil-in-water emulsifier having an HLB of greater than 9, at least one ionic surfactant, and at least one skin care active ingredient. The weight ratio of the at least one non-ionic oil-in-water emulsifier to the at least one water-in-oil emulsifier is about 0.02 to about 2.0. The meta-stable cosmetic composition converts from an oil-in-water (O/W) emulsion to a water-in-oil (W/O) emulsion upon rubbing.
Public/Granted literature
- US20150352016A1 META-STABLE COSMETIC OR SKIN CARE COMPOSITION Public/Granted day:2015-12-10
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