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Pickering乳液在化妆品中的应用研究进展.docx

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Pickering乳液在化妆品中的应用研究进展 Title:ResearchAdvancesintheApplicationofPickeringEmulsionsinCosmetics Introduction: Pickeringemulsions,namedafterS.U.Pickeringwhofirstdescribedthemin1907,areemulsionsstabilizedbysolidparticlesattheoil-waterinterface.Theseuniqueemulsionshavegainedsignificantattentioninrecentyearsduetotheirmanyadvantagesovertraditionalemulsions,includingimprovedstability,enhancedfunctionality,andpotentialforgreenandsustainableformulationpractices.ThispaperaimstoreviewthecurrentresearchprogressintheapplicationofPickeringemulsionsinthecosmeticsindustry. 1.TheconceptandformationofPickeringemulsions: APickeringemulsionisformedwhensolidparticlesadsorbattheoil-waterinterface,resultinginthestabilizationoftheemulsion.Theselectionofsuitableparticlesplaysacriticalroleinthestabilityandpropertiesoftheemulsion.Commonlyusedparticlesincludeinorganicmaterialslikeclays,silica,andmetaloxides,aswellasorganicparticlessuchaspolymers,proteins,andcellulosederivatives. 2.StabilityofPickeringemulsions: Pickeringemulsionsexhibitexcellentstabilityduetothepresenceofparticlesattheinterface,whichcreateaphysicalbarrieragainstcoalescence.Thisstabilityisparticularlybeneficialincosmeticformulationswherelongshelflifeandresistancetoenvironmentalstressesaredesired.Moreover,theinterfacialparticlescanalsoprovideadditionalfunctionality,suchasUVprotection,antioxidanteffects,andcontrolledreleaseofactiveingredients. 3.ImprovedcosmeticformulationsusingPickeringemulsions: TheutilizationofPickeringemulsionsincosmeticsoffersseveraladvantagesoverconventionalemulsions.Theoptimizedstabilityandcontrolledreleaseofactiveingredientsenableenhancedefficacyandprolongedaction.Additionally,Pickeringemulsionscanreplacetraditionalemulsifiers,whichoftenhavepotentialirritancyandallergenicity,providingsaferalternativesforsensitiveskin.Furthermore,Pickeringemulsionsallowfortheformulationofeco-friendlyproductsbyincorporatingnaturalandbiodegradableparticlesasstabilizers. 4.AdvancesinPickeringemulsion-basedcosmetics: 4.1Sunscre