Compositions comprising pigment particles entrapped in collapsed polymeric microspheres, and methods of making the same

Topical compositions containing pigment particles entrapped in microspheres are provided. Each of the microspheres contains a collapsed polymeric shell that has entrapped therein one or more pigment particles. The microsphere-entrapped pigment particles are characterized by enhanced color intensity,...

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Bibliographische Detailangaben
Hauptverfasser:	FTHENAKIS CHRISTINA G, NAJDEK LINDA J, SOJKA MILAN FRANZ, CUMMINS PHILLIP, COHEN ISAAC D, CULHANE RACHEL J, OKO JENNIFER L, DREHER JOHN DUDLEY
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Topical compositions containing pigment particles entrapped in microspheres are provided. Each of the microspheres contains a collapsed polymeric shell that has entrapped therein one or more pigment particles. The microsphere-entrapped pigment particles are characterized by enhanced color intensity, improved stability, and better dispersibility, which can readily be used either alone or in combination with other skin active ingredients to form better colored cosmetics.