SUNSCREEN COSMETIC

PROBLEM TO BE SOLVED: To provide a sunscreen cosmetic hardly causing increase of viscosity with time. SOLUTION: Although a sunscreen cosmetic containing zinc oxide and titanium oxide and having ≤10,000 mPa s viscosity at 20°C has a defect of causing increase of the viscosity with time to reduce the...

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Bibliographische Detailangaben
Hauptverfasser:	SUZAKI SHINICHI, MIYAMOTO KUNIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES HUMAN NECESSITIES HYGIENE MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a sunscreen cosmetic hardly causing increase of viscosity with time. SOLUTION: Although a sunscreen cosmetic containing zinc oxide and titanium oxide and having ≤10,000 mPa s viscosity at 20°C has a defect of causing increase of the viscosity with time to reduce the commercial value, the defect can be eliminated by allowing the sunscreen to contain trimethylsiloxysilicic acid generally known as a film-forming agent. The increase of the viscosity with time can be reduced even if the content of the zinc oxide and the titanium oxide is high by using a polyglyceryl-3 polydimethylsiloxyethyl dimethicone in combination with the trimethylsiloxysilicic acid. COPYRIGHT: (C)2007,JPO&INPIT