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Oil-in-water emulsions for use in sunscreens and non-therapeutic skin treatment and containing particulate material are stabilized using a glycero-phospholipid and/or sphingolipid
Oil-in-water emulsions for use in sunscreens and non-therapeutic skin treatment and containing particulate material are stabilized using a glycero-phospholipid and/or sphingolipid
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机译:使用甘油磷脂和/或鞘脂来稳定用于防晒霜和非治疗性皮肤治疗的水状油乳液并含有颗粒物质
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摘要
Oil-in-water (O/W) emulsions are free of emulsifiers of HLB above 8 and contain (a) a glycero-phospholipid and/or sphingolipid as stabilizer; and (b) an emulsion-insoluble particulate material with an average diameter of maximum 200 microns. An Independent claim is also included for production of the stabilized emulsions by: (1) separately heating the aqueous phase and the glycero-phospholipid and/or sphingolipid-containing fatty phase to ca. 70- 85 degrees C; (2) stirring the aqueous phase with the fatty phase in a homogenizer; (3) optionally cooling the emulsion to 50 degrees C and adding a polymeric thickener; and (4) cooling the emulsion to 30 degrees C and adding component (B) as well as other additives
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