HAIR DYE COMPOSITION AND HAIR DYEING METHOD

Title:

HAIR DYE COMPOSITION AND HAIR DYEING METHOD

Document Type and Number:

Japanese Patent JP2022018304

Kind Code:

A

Abstract:

To provide a hair dye composition in which both excellent deep dyeing property and skin stain prevention are achieved, and discoloration due to the presence of a reducing agent is suppressed.SOLUTION: A hair dye composition comprises: (A) at least selected from HC Blue 15, HC Blue 16, HC Blue 17, Basic Blue 77, Basic Blue 99, Basic Blue 124, Basic Red 51, Basic Red 76, Basic Brown 16, Basic Brown 17, Basic Orange 31 and Basic Orange 69; (B) at least one selected from sulfite and a salt thereof, hyposulfurous acid and a salt thereof, thioglycolic acid and a salt thereof, cysteamine and a salt thereof, and a lactone thiol compound. The content of the component (A) in the hair dye composition is 5% by mass or less, and the content of the component (B) in the hair dye composition is 1% by mass or more.SELECTED DRAWING: None

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Inventors:

TANAKA HIROAKI
OKAMURA YUKO

Application Number:

JP2020121329A

Publication Date:

January 27, 2022

Filing Date:

July 15, 2020

Export Citation:

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Assignee:

HOYU KK

International Classes:

A61K8/41; A61K8/46; A61K8/49; A61Q5/10

Attorney, Agent or Firm:

Nagoya International Patent Service Corporation

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