Natural hair dye prepared from iridoid and amino acid and hair dyeing method

A technology of natural hair dyes and iridoids, which can be used in cosmetic preparations, hair care, pharmaceutical formulations, etc., and can solve the problems of limited raw material sources, low fastness, and less color and luster of plant permanent hair dyes , to achieve the effect of short dyeing time, high fastness and rich colors

Inactive Publication Date: 2014-01-15
SOUTHWEST UNIVERSITY FOR NATIONALITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to overcome the shortcomings of several permanent hair dyes currently on the market: the raw materials of common plant permanent hair dyes are limited, the dyeing color is less, and the fastness is not high; the metal dyes contained i

Method used

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  • Natural hair dye prepared from iridoid and amino acid and hair dyeing method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Agent A includes cysteine ​​amino acid 10%, sodium hydroxymethyl cellulose 3.0%, vitamin C 0.5%, the pH is adjusted to 9 with ammonia water, and the balance is water;

[0017] Agent B includes genipin 2%, hydroxymethylcellulose sodium 3.0%, phenylethyl alcohol 2%, and the balance is water;

[0018] Agent C includes 4% hydrogen peroxide, 3% sodium hydroxymethyl cellulose, and the balance is water.

[0019] Hair dyeing method: first bleach the hair, wash and dry it, then apply agent A evenly on the hair, keep it at 30°C for 20 minutes, then apply agent B evenly on the hair, keep it at 30°C for 20 minutes, and finally apply agent C evenly Apply it on the hair, keep it at 30°C for 20 minutes, wash and dry the hair, the hair is blue-black.

Embodiment 2

[0021] Agent A includes cysteine ​​amino acid 10%, sodium hydroxymethyl cellulose 3%, vitamin C 0.5%, the pH is adjusted to 9 with ammonia water, and the balance is water;

[0022] Agent B includes loganin aglycon 3%, hydroxymethylcellulose sodium 3%, phenylethyl alcohol 3%, and the balance is water;

[0023] Agent C includes 4% hydrogen peroxide, 3% sodium hydroxymethyl cellulose, and the balance is water.

[0024] Hair dyeing method: first bleach the hair, wash and dry it, then apply agent A evenly on the hair, keep it at 30°C for 20 minutes, then apply agent B evenly on the hair, keep it at 30°C for 20 minutes, and finally apply agent C evenly Apply it on the hair, keep it at 30°C for 20 minutes, wash and dry the hair, the hair is brownish yellow.

Embodiment 3

[0026] Agent A includes cysteine ​​amino acid 10%, sodium hydroxymethyl cellulose 3%, vitamin C 0.5%, the pH is adjusted to 9 with ammonia water, and the balance is water;

[0027] Agent B includes oleuropein aglycon 5%, sodium hydroxymethylcellulose 4%, phenylethyl alcohol 4%, and the balance is water;

[0028] Agent C includes 4% hydrogen peroxide, 3% sodium hydroxymethyl cellulose, and the balance is water.

[0029] Hair dyeing method: first bleach the hair, wash and dry it, then apply agent A evenly on the hair, keep it at 30°C for 20 minutes, then apply agent B evenly on the hair, keep it at 30°C for 20 minutes, and finally apply agent C evenly Apply it on the hair, keep it at 30°C for 20 minutes, wash and dry the hair, the hair turns yellow.

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Abstract

The invention relates to a hair dye and particularly relates to a natural durable hair dye prepared from iridoid and amino acid and a hair dyeing method. The hair dye provided by the invention contains an agent A, an agent B and an agent C, wherein the agent A contains 8-12% of amino acid, 1.0-5.0% of thickening agent, 0.5-1% of vitamin C and the balance of water, and the pH value of the agent A is adjusted to 8-10; the agent B contains 2-5% of iridoid, 1.0-5.0% of thickening agent, 2-4% of phenethyl alcohol and the balance of water; the agent C contains 3-12% of hydrogen peroxide, 1-5% of thickening agent and the balance of water. The hair dyeing method comprises the steps of firstly, discoloring hair, and then, washing and drying; then, uniformly coating the agent A on the hair, and keeping at the temperature of 30-35 DEG C for 15-25min; next, uniformly coating the agent B on the hair, and keeping at the temperature of 30-35 DEG C for 15-25min; finally, uniformly coating the agent C on the hair, keeping at the temperature of 30-35 DEG C for 20-25min, washing and drying the hair. No substances capable of generating toxicity to human bodies are generated in preparation and application processes of the hair dye; the hair dye is good in safety, capable of dyeing the air into various colors such as black, red, yellow, purplish red and the like, plentiful in dyed colors and favorable in fastness.

Description

1. Technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a natural permanent hair dye prepared from iridoids and amino acids as raw materials and a dyeing method thereof. 2. Background technology [0002] The current common permanent hair dyes are mainly divided into the following categories according to their ingredients: [0003] (1) Plant permanent hair dye: use organic substances extracted from the stems and leaves of plants for dyeing. But because the color and luster and the effect of its dyed hair are not satisfactory, and the available plant species and resources are limited, the price is expensive, and the application range is not wide. [0004] (2) Metal permanent hair dye: use metal raw materials for dyeing. The hair dyeing mechanism is that metal ions can reduce the disulfide bonds in the scalp keratin to produce black hair dyeing. Commonly used metal hair dye raw materials are lead acetate, lead ...

Claims

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Application Information

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IPC IPC(8): A61K8/67A61K8/60A61K8/49A61Q5/10A61K8/22A61K8/34A61K8/44
Inventor 刘军许娄金丁克毅
Owner SOUTHWEST UNIVERSITY FOR NATIONALITIES
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