Powder cosmetic and process for production of flaky calcium sulfate dihydrate to be used in the cosmetic

The invention aims at providing a powder cosmetic which does not suffer from the aggregation of powder even when it contains a large amount of oily component and in which no caking of powder on the surface occurs even when pressed, and a process for the production of platy calcium sulfate dihydrate...

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Bibliographic Details
Main Authors MURATA TETSUO, MURATA TOGO
Format Patent
LanguageEnglish
Published 30.07.2013
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:The invention aims at providing a powder cosmetic which does not suffer from the aggregation of powder even when it contains a large amount of oily component and in which no caking of powder on the surface occurs even when pressed, and a process for the production of platy calcium sulfate dihydrate usable for the cosmetic. The process of the production includes a process for producing a powder cosmetic comprising calcium sulfate dihydrate and an oily component, and a process for producing platy calcium sulfate dihydrate which process comprises dissolving a calcium salt in an organic acid and reacting the resulting calcium solution with sulfuric acid.
Bibliography:Application Number: US20080678615