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Title:
METHOD FOR PREVENTING DISCOLORATION AND SMELLING OF L- ASCORBIC ACID-2-PHOSPHATE, AND SKIN CARE PREPARATION USING THE METHOD
Document Type and Number:
Japanese Patent JP2003012439
Kind Code:
A
Abstract:

To effectively prevent the discoloration and smelling of an L-ascorbic acid-2-phosphate in a skin care preparation with the passage of time.

Cyclodextrin and/or a cyclodextrin derivative in addition to a sulfite can be used to extremely prevent the discoloration and smelling of the L-ascorbic acid-2-phosphate in a solution, gel or emulsion (containing an oil phase)-based skin care preparation for a long period.


Inventors:
RI KINKA
Application Number:
JP2001197673A
Publication Date:
January 15, 2003
Filing Date:
June 29, 2001
Export Citation:
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Assignee:
NIKKO CHEMICAL CO LTD
NIPPON SURFACTANT KOGYO KK
International Classes:
A61K8/67; A61K8/00; A61K8/19; A61K8/72; A61Q19/00; (IPC1-7): A61K7/00; A61K7/48