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Hair dyeing method, hair dye set used for the hair dyeing method, and hair conditioner

A technology for hair and dyeing dyes, which is used in hair care, pharmaceutical formulations, cosmetic preparations, etc., to achieve the effect of maintaining long-term color retention and improving color retention

Inactive Publication Date: 2014-10-08
ICTB GLOBAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, hair dyes containing oxidation dyes are subject to restrictions in Europe and other places

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0040] In a cream base mainly composed of cetyl alcohol, 50 g of a basic coloring agent containing 5% by mass of a dye mixture containing a basic dye and an HC dye in a ratio of 9:1, and acetylcysteine It is mixed with 50 g of an alkaline agent of 1% by mass of an alkaline reducing agent, which is a mixture of cysteamine and mercaptoglycolic acid, to prepare a basic dye liquid.

[0041] Next, the prepared basic coloring dye solution was applied to a bundle of human hair having a total weight of 10 g bundled at one end. In addition, most of the human hairs constituting the hair bundles are white hairs.

[0042] Then, after leaving the hair bundle coated with the basic dye solution for 10 minutes, far-infrared rays were irradiated for about 15 minutes. At this time, the temperature of the hair bundle is about 30°C. Then, after confirming that all the white hairs of the hair bundles were dyed brown, the basic dye solution adhering to the hair bundles was washed away with water....

Embodiment 2）

[0056] After leaving the hair bundle coated with the aqueous solution of tea catechin for 10 minutes, the hair bundle coated with the aqueous solution of tea catechin was left to stand naturally for 30 minutes without irradiating far infrared rays for about 20 minutes. In Example 1, hair bundles were dyed in the same manner. That is, after applying the tea catechin aqueous solution prepared in the same manner as in Example 1 to the hair bundle, the hair bundle coated with the tea catechin aqueous solution was left to stand for 30 minutes, and then left to stand for about 10 minutes.

[0057] Then, the hair tresses were shampooed with a commercially available shampoo. Then, dry off the moisture well with a towel. Except for the above-mentioned process, hair bundles were dyed and evaluated in the same manner as in Example 1. As a result, the color of the dyed part faded a little after about 2 months. However, the boundary between the color of the dyed part and the non-dyed pa...

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Abstract

PURPOSE: A hair dyeing method, a hair dyeing set, and a hair treatment are provided to improve safety using a HC dye. CONSTITUTION: A hair dyeing method comprises: a step of applying a base color dye liquid on hair for a predetermined time; a step of rinsing the hair; and a step of applying a catechin aqueous solution on the hair for a predetermined time.

Description

technical field [0001] The present invention relates to a hair dyeing method, a hair dye set used in the hair dyeing method, and a hair conditioner. Specifically, it relates to a hair dye set capable of maintaining a high dye-uptake (long-lasting color) even when a basic dye or the like is used as a base coloring agent, and a hair conditioner. Background technique [0002] In recent years, hair dyes containing p-phenylenediamine-based or aminophenol-based oxidation dyes as synthetic dyes have been widely used. Hair dyes containing oxidation dyes are excellent in color retention after hair dyeing and can express a variety of hues. [0003] However, oxidation dyes are known to cause skin disorders. In addition, there are accusations of environmental hormones that adversely affect the ecosystem, and accusations of suspected carcinogenicity or allergenicity. Accordingly, hair dyes containing oxidation dyes are subject to regulation in Europe and the like. [0004] On the oth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/97A61Q5/10A61Q5/12
CPCA61K8/41A61K8/49A61K8/9789A61Q5/10
Inventor 盐田将隆
Owner ICTB GLOBAL
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