CN103479549B - Chestnut shell hair colorant and hair colouring methods thereof - Google Patents

Abstract

The invention provides a chestnut shell hair dye, which is divided into two agents: a treatment agent and a dyeing agent; the treatment agent: 2-15% histidine, the thickener: 1-5%, the surfactant: 5-10%, the remaining The amount is deionized water, and the pH is adjusted to 8-9; dyeing agent: chestnut shell extract: 10-30%, rare earth salt mordant active agent: 3-10%, thickener: 1.5-5%, surfactant : 5-10%, the balance is deionized water. Hair dyeing method using the above-mentioned chestnut shell hair dye: first apply the treatment agent evenly on the hair, and wash it after infrared heating; add the chestnut shell extract to deionized water, use ultrasonic treatment, and wait for the chestnut shell extract to dissolve and disperse evenly Finally, add other components to make a slurry, apply it evenly on the hair, and heat it with infrared. The color of the dyed hair will deepen with time. If you need a deeper color, repeat the second step. The chestnut shell hair dye of the invention is safe, non-toxic, stable in color and high in dyeing rate.

Description

Chestnut shell hair dye and hair dyeing method thereof

technical field

The invention belongs to the field of hair dyes, in particular to natural vegetable hair dyes.

Background technique

Chestnut, also known as chestnut and Chinese chestnut, is a plant of the genus Chestnut in the family Fagaceae. It is very rich in nutritional value and sweet and fragrant. It is a common health food. Chestnut is rich in minerals such as starch, protein, vitamins, calcium, phosphorus, and potassium. Traditional Chinese medicine believes that chestnut is sweet and warm, non-toxic, and has the medical effects of invigorating the spleen, nourishing the liver, strengthening the body and strengthening the bones. However, a large amount of chestnut shell waste will be produced in the process of chestnut processing. Chestnut shells are rich in natural dyes and a certain amount of tannins, and chestnut shell pigments have biological activities such as antibacterial and anti-oxidation, which have good prospects in the fields of printing and dyeing and food.

Hair dyeing is a way of pursuing fashion and beauty. Most of the hair dyes currently on the market contain p-phenylenediamine and quinone compounds, which are toxic, sensitizing, and carcinogenic. The most widely used oxidative hair dye contains more than 20 kinds of chemical components, nine of which can cause cell mutation. If used in large quantities for a long time without paying attention to cleaning, it may cause cancer. Natural plant dyes are more and more valued by people with their unique safety features, and become the development trend of the hair dye market, but the safety and final hair dyeing effect in the natural plant hair dyeing process are still unsatisfactory.

Hao Shouzhu (application number 201010134137.8, CN102058503) discloses a natural plant hair dye composed of henna and ferrous salt, which has the characteristics of fast dyeing and stable dyeing effect, and can dye black. However, the formula contains henna powder, which is irritating to the skin, and it contains 2-hydroxy-1,4-naphthoquinone, which is a carcinogenic, mutagenic, and reproductively toxic substance. The use of henna hair dye has sparked much controversy. Chen Hao (application number 201210206888.5, CN102885730A) discloses a plant hair dye, which contains 80%-90%wt henna powder. At the same time, plant extracts with medicinal efficacy are added, so that the hair dye has the effect of nourishing and protecting hair. Although it can achieve the effect of blackening, but it uses p-phenylenediamine and p-phenylaminophenol, and long-term use will increase the risk of cancer.

Contents of the invention

The invention overcomes the problem that the hair dye contains carcinogens and is unsafe to use in the prior art, and provides a chestnut shell hair dye that is safe, non-toxic, stable in color and high in dyeing rate. Chestnut shell extract is rich in yellow-brown pigment, not only rich in flavonoids, but also has good antibacterial effect. Chestnut shell extract contains a certain amount of tannic acid, which can form a three-coordinated complex when it encounters iron. While complexing, it is oxidized to quinone itself and appears blue-black. At the same time, the chestnut shell natural hair dye disclosed by the invention is Avoid using substances that are irritating to the skin during the hair dyeing process, especially for people with sensitive skin.

The technical solution adopted in the present invention is: the chestnut shell hair dye is divided into two agents, a treatment agent and a dyeing agent; the two formulations are respectively:

Treatment agent (mass percentage, total 100%):

Histidine 2%-15%,

Thickener: 1%-5%,

Surfactant: 5%-10%,

The balance is deionized water, and the pH is adjusted to 8-9;

Staining agent (mass percentage, total 100%):

Chestnut shell extract: 10%-30%,

Rare earth salt mordant active agent: 3%-10%,

Thickener: 1.5%-5%,

Surfactant: 5%-10%,

The balance is deionized water.

The present invention uses basic histidine to pretreat white hair. Histidine is a semi-essential amino acid. The imidazole group of histidine can form a coordination compound with Fe ²⁺ to promote the absorption of iron. Under the action of histidine decarboxylase, histamine is formed, which has a strong vasodilation effect and can treat allergies. Use natural non-toxic histidine to reduce the -SS- bond in the hair to -SH, open the cuticles, and facilitate the adsorption and penetration of chestnut shell dyes on the hair. The lye can break the main chain of keratin, and at the same time, it can break the disulfide bond and salt bond in the horizontal connection to form new bonds. Wherein the alkaline agent can be one or more of sodium hydroxide, sodium carbonate and monoethanolamine.

Further, the thickener is one or a mixture of sodium carboxymethylcellulose, sodium polyacrylate, xanthan gum, gelatin, guar gum, gum arabic or hydroxymethylcellulose.

Further, the surfactant is one or more mixtures of silicone oil, glyceryl monostearate, lauryl sulfate or fatty alcohol polyoxyethylene ether sodium sulfate.

Further, the alkali used for adjusting the pH is one or more of sodium hydroxide, sodium carbonate or monoethanolamine.

Preferably, the rare earth salt mordant activator is one or more mixtures of lanthanum or cerium chloride or carbonate, and the rare earth carbonate can be dissolved in acid when used. Rare earth ions can be used as central ions to complex with dye ions as ligands. In addition, it also has the effect of electrolyte-like and dye-promoting. Rare earth ions can enter deep into the cuticles and form multiple complexes with dye molecules and cellulose molecules, thereby improving the color fastness.

Further, the chestnut shell extract is extracted by the process of chestnut shell removal → ultrasonic extraction in water → filtration → filtrate → combined filtrate → concentration → spray drying → crude pigment; the extraction temperature is 80°C, and the extraction time is 1- 3h, the pH value is 9, the extraction solid-liquid ratio is 1:10-15 (mass ratio), the air inlet temperature of spray drying is 130-170°C, and the air outlet temperature is 70-90°C.

As preferably, described two doses of formulas are respectively:

Treatment agent (mass percentage, total 100%):

Basic Histidine 10%-15%,

Thickener: 3%-5%,

Surfactant: 8%-10%,

Deionized water: the balance, and adjust the pH to 8-9;

Staining agent (mass percentage, total 100%):

Chestnut shell extract: 20%-30%,

Mordant active agent (rare earth salt): 5%-10%,

Thickener: 4%-5%,

Surfactant: 8%-10%,

Deionized water: balance.

The hair dyeing method using the above-mentioned chestnut shell hair dye, the steps are as follows, the first step is to take histidine, add deionized water, adjust pH=8-9 with lye, and add thickener and surfactant to adjust to slurry shape, evenly spread on the hair, 30 ~ 35 ℃ infrared heating for 15 ~ 30 minutes and then wash off;

In the second step, add the chestnut shell extract to deionized water, and use ultrasonic treatment. After the chestnut shell extract is disassembled and dispersed evenly, add mordant active agent, thickener and surfactant to make a slurry, and apply it evenly on the hair Step 1: Infrared heating at 30-35°C for 60-120 minutes. The color of the dyed hair will deepen with time. If you need a deeper color, repeat the second step.

Beneficial effects of the present invention: the chestnut shell hair dye of the present invention is safe, non-toxic, stable in color and high in dyeing rate; has no stimulating effect on skin, has anti-allergic effect, and is especially suitable for people with sensitive skin.

detailed description

Further illustrate with embodiment below, but do not limit the present invention:

Extraction Example 1

Chestnut shell extract, its preparation method: the temperature is 80°C, the ultrasonic extraction time is 1h, the pH value is 9, the extraction solid-liquid ratio is 1:15, and the extraction agent is water.

Chestnut shell removal → ultrasonic extraction of extractant → filtration → filtrate → combined filtrate → concentration → spray drying (inlet temperature is 130°C, outlet temperature is 70°C) → crude pigment.

Extraction Example 2

Chestnut shell extract, its preparation method: the temperature is 80°C, the ultrasonic extraction time is 2h, the pH value is 9, the extraction solid-liquid ratio is 1:10, and the extraction agent is water.

Chestnut shell removal → ultrasonic extraction of extractant → filtration → filtrate → combined filtrate → concentration → spray drying (inlet temperature 170°C, outlet temperature 90°C) → crude pigment.

Extraction Example Three

Chestnut shell extract, its preparation method: the temperature is 80°C, the ultrasonic extraction time is 3h, the pH value is 9, the extraction solid-liquid ratio is 1:15, and the extraction agent is water.

Chestnut shell removal → ultrasonic extraction of extractant → filtration → filtrate → combined filtrate → concentration → spray drying (inlet temperature 150°C, outlet temperature 80°C) → crude pigment.

Hair dye and hair dye embodiment

As can be seen from the above table, the formula of the present invention is: treatment agent (mass percentage, 100% in total): basic histidine 10%-15%, thickener: 3%-5%, surfactant: 8% %-10%, deionized water: balance, and adjust the pH to be 8-9; dyeing agent (mass percentage, total 100%): chestnut shell extract: 20%-30%, mordant active agent (rare earth salt): 5%-10%, thickener: 4%-5%, surfactant: 8%-10%, deionized water: the balance, the dyeing rate and color stability of the hair dye are more prominent (the hair dyeing effect of the same dosage darker, longer-lasting stain).

In addition, when using cysteine instead of histidine of the present invention or neodymium salt instead of cerium salt and lanthanum salt of the present invention, the hair dyeing effect and durability are not as good as the effect of the present invention under the condition of using the same dosage for hair dyeing.

Claims (6)

1. a chestnut shell hair colorant, is characterized in that: hair dye is divided into inorganic agent and stain two doses; Two agent prescriptions are respectively:

Inorganic agent is by mass percentage:

Histidine 2%-15%,

Thickening agent: 1%-5%,

Surfactant: 5%-10%,

Surplus is deionized water, amounts to 100%, and regulates pH to be 8 ~ 9;

Stain is by mass percentage:

Chestnut shell extract: 10%-30%,

Rare-earth salts mordant dyeing activating agent: 3%-10%,

Thickening agent: 1.5%-5%,

Surfactant: 5%-10%,

Surplus is deionized water, amounts to 100%;

Described chestnut shell extract adopts the procedure extraction of the supersound extraction → filtrations → filtrate → merging filtrate of chestnut shell remove impurity → in water → concentrate → spraying dry → pigment crude product; Extracting temperature is 80 DEG C, and extraction time is 1-3h, and pH value is 9, and extracting solid-liquid mass ratio is 1:10 ~ 15, spraying dry intake air temperature 130-170 DEG C, air outlet temperature 70-90 DEG C;

Described rare-earth salts mordant dyeing activating agent is one or more mixing in the chloride of lanthanum or cerium and carbonate.

2. chestnut shell hair colorant according to claim 1, is characterized in that: described thickening agent is one or more mixture in sodium carboxymethyl cellulose, sodium polyacrylate, xanthan gum, gelatin, guar gum, Radix Acaciae senegalis and hydroxy methocel.

3. chestnut shell hair colorant according to claim 1, is characterized in that: described surfactant is one or more mixture in silicone oil, glyceryl monostearate, lauryl sulfate and polyoxyethylenated alcohol sodium sulfate.

4. chestnut shell hair colorant according to claim 1, is characterized in that: described adjustment pH alkali used is one or more in sodium hydroxide, sodium carbonate and monoethanolamine.

5. chestnut shell hair colorant according to claim 1, is characterized in that: two described agent prescriptions are respectively: inorganic agent by mass percentage:

Alkalescence histidine 10%-15%,

Thickening agent: 3%-5%,

Surfactant: 8%-10%,

Deionized water: surplus, and regulate pH to be 8 ~ 9;

Stain (mass percent amounts to 100%):

Chestnut shell extract: 20%-30%,

Rare-earth salts mordant dyeing activating agent: 5%-10%,

Thickening agent: 4%-5%,

Surfactant: 8%-10%,

Deionized water: surplus, amounts to 100%.

6. the hair colouring methods of the chestnut shell hair colorant according to any one of Claims 1 to 5, it is characterized in that: step is, the first step, get appropriate histidine, add deionized water, with lye pH adjustment=8-9, and add thickening agent and surfactant is adjusted to pulp, evenly smear on hair, 30 ~ 35 DEG C of Infrared Heating 15 ~ 30min afterwash;

Second step, chestnut shell extract is added in deionized water, adopt supersound process, after chestnut shell extract is uniformly dispersed, adds mordant dyeing activating agent, thickening agent and surfactant furnishing pulpous state, evenly smear on hair, 30 ~ 35 DEG C of Infrared Heating 60 ~ 120min, gained hair color increases in time and deepens, if there is more dark colour demand, repeats second step.