Title:
HAIR DYE
Document Type and Number:
WIPO Patent Application WO/2023/171163
Kind Code:
A1
Abstract:
Provided is a hair dye which exhibits excellent hair dyeing performance and is easy to use, capable of dyeing hair in a short amount of time, and highly safe for the hair and scalp. The hair dye contains a blue pigment that has a sulfonic acid group and is obtained by reacting genipin with an amino alkane sulfonic acid.
Inventors:
SATO KOZO (JP)
THANYANAN CHAOCHAIPHAT (JP)
OKADA HISASHI (JP)
THANYANAN CHAOCHAIPHAT (JP)
OKADA HISASHI (JP)
Application Number:
PCT/JP2023/002155
Publication Date:
September 14, 2023
Filing Date:
January 24, 2023
Export Citation:
Assignee:
NIL CO LTD (JP)
International Classes:
A61K8/49; A61K8/46; A61Q5/10
Domestic Patent References:
| WO2019163497A1 | 2019-08-29 |
Foreign References:
| JPH07111896A | 1995-05-02 | |||
| JP2017169584A | 2017-09-28 | |||
| JPH05339134A | 1993-12-21 |
Attorney, Agent or Firm:
DELOITTE TOHMATSU IP FIRM (JP)
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