Title:
EXTERNAL COMPOSITION INCLUDING AZELAIC ACID, AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2023181387
Kind Code:
A
Abstract:
To provide an external composition that includes azelaic acid at a high concentration (for example, more than 10 mass%), which ensures the long-term stability of azelaic acid by enabling its stable dispersion over an extended period.SOLUTION: An external composition includes more than 10 mass% of azelaic acid, an emulsifier, and a higher alcohol, the azelaic acid having an average particle size of 100 μm or less.SELECTED DRAWING: None
Inventors:
MIYOSHI SATOSHI
NISHIZAWA GORO
NISHIZAWA GORO
Application Number:
JP2023186268A
Publication Date:
December 21, 2023
Filing Date:
October 31, 2023
Export Citation:
Assignee:
KISO HESHOHIN KENKYUSHO CO LTD
International Classes:
A61K8/36; A61K8/06; A61K8/34; A61K8/37; A61K8/55; A61Q19/00
Attorney, Agent or Firm:
Masanobu Mizoguchi
Satoshi Yamauchi
Satoshi Yamauchi