JP2004002475A - Hair dye and hair-dyeing method using the dye - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hair dye causing no skin dyeing, applicable to a sensitive diathesis person unable to be hair-dyed with a conventional dye, settling irritation and injury on the scalp and the hair, obtaining fastness and hopeful about keeping dyeing effect obtaining a new hair texture, and to provide a hair-dyeing method using the dye. <P>SOLUTION: The hair dye comprises, as essential ingredients, (A) one or more selected from prepared indigo leaves, settled indigo blue, indigo drydown leaves and and mixtures of two or more of these materials, (B) a reductant and (C) an alkali chemical, wherein 0.1-20 wt.% (A) reductant and 0.01-10 wt.% (B) alkali chemical are included based on the total dye weight. The method comprises treating with a mordant such as aluminum or iron, uniformly coating the dye itself or a mixture of the dye with a proper amount of water thereon, rinsing the hair and drying. <P>COPYRIGHT: (C)2004,JPO

Description

The present invention relates to a hair dye using indigo “sukumo”, “precipitated indigo”, “indigo indigo leaf” and the like, and a hair dyeing method using the same.

Conventionally, there are several methods and ingredients for dyeing hair. For example, synthetic hair dyes using oxidative dyes with high hair dyeing effect and high durability, plants mainly composed of “henna” in Europe and America Hair dyes, hair dyes containing acid dyes (so-called hair manicure), and the like.
However, oxidative dyes are known to cause allergies to the human body, while “henna” has a limited color tone and is not compatible with Japanese black hair. Each of the conventional hair dyes has its own merits and demerits, such as the problem of dyeing the skin when attached to the skin.
On the other hand, there has been proposed a hair dye obtained by emulsifying or suspending a powdery vegetable dye and liquid silicone, paraffin, vegetable or animal oil or the like with a surfactant (see Patent Document 1, etc.). . However, although this hair dye improves the stability of the agent and the functionality in hair dyeing operation, it cannot be said that the hair dyeing effect that should be given the highest priority as a hair dye is sufficient, leading to the solution of the problem. Not in.
Japanese Patent Laid-Open No. 10-53720

Indigo has a long history of cultivation, and has a long history of being used in pharmaceuticals as a dye for fibers, as a food coloring, antidote and antipyretic. By using this indigo dye component for hair dyeing, it has become possible for sensitive builders who have not been able to dye hair to dye hair, eliminate irritation and damage to the scalp and hair, and make new hair A texture is obtained, and a hair dyeing effect with a color tone suitable for Japanese hair color can be expected.
The first object of the present invention is a hair dye using natural indigo that does not stain the skin even when it comes into contact with the skin. For example, it is possible to suppress the yellowing of gray hair to a natural color and to conceal white hair. The present invention is to provide a hair dye that can be dyed and has high fastness without color fading, and a second object of the present invention is to provide a hair dyeing method for dyeing hair using this hair dye. It is.

In order to solve the above-mentioned problems, the invention of claim 1 provides (i) at least one component selected from (i) indigo “sukumo”, “precipitated indigo”, “indigo indigo leaf” and a mixture of two or more of these (b) A hair dye containing an reducing agent and (c) an alkaline agent as an essential component, wherein (b) the reducing agent is 0.1 to 20% by weight, and (c) the alkali agent is 0% with respect to the entire hair dye. It is related with the hair dye characterized by including 0.01 to 10weight%.

The invention according to claim 2 of the present invention is the hair dye according to claim 1, wherein the permanent agent or permanent containing thioglycolic acid or cysteine as a main component, which is a combination of the (b) reducing agent and the (c) alkaline agent. One of the agents or a curling agent mainly composed of sulfite is used.

The invention according to claim 3 of the present invention is the hair dye according to claim 1 or claim 2, wherein natural plant and wood dye components such as persimmon, umami, suo, cochineal, logwood, henna, chestnut, onion, coffee and / or These extract components and / or other hair coloring materials selected from powders obtained by freeze-drying these extract components are included.

According to a fourth aspect of the present invention, in the hair dye according to any one of the first to third aspects, a plant component such as tea leaf, comfrey, chamomile, chlorella, rosemary, seaweed, etc. is used as a bulking agent and / or Or it is characterized by including as an excipient.

The invention according to claim 5 of the present invention is characterized in that the hair dye according to any one of claims 1 to 4 contains a saponin-containing plant component such as mukuroji, saikachi, kiraya skin as a hair dye regulator. It is what.

A sixth aspect of the present invention is the hair dye according to any one of the first to fifth aspects, wherein guar gum, seaweed extract and refined extract are used to enhance adhesion to hair and operability during hair dyeing. It contains a plant-derived thickening component such as, and animal-derived thickening components such as silk protein.

A seventh aspect of the present invention is the hair dye according to any one of the first to sixth aspects, wherein natural products such as oils, conditioning agents, surfactants and wetting agents are used to enhance the texture of the hair. Alternatively, a chemical additive component is included.

The invention according to claim 8 of the present invention is the hair dye according to any one of claims 1 to 7, wherein a preservative and / or an antioxidant such as parabens and benzoate is used in order to increase stability over time. It contains an additive selected from an ultraviolet absorber and a chelating agent.

The invention of claim 9 of the present invention is according to any one of claims 1 to 8, after mordanting with a simple metal such as aluminum, iron, zinc, nickel, calcium, magnesium, or a metal salt thereof. The present invention relates to a hair dyeing method characterized in that the hair dye is applied as it is or mixed with an appropriate amount of water and uniformly applied, and after hair dyeing, the hair is rinsed with water, dried and finished.

According to the tenth aspect of the present invention, the hair dye according to any one of the first to eighth aspects of the present invention is applied to the hair as it is, or mixed with an appropriate amount of water and uniformly applied to the hair, and then aluminum. Further, the present invention relates to a hair dyeing method characterized by mordanting using a simple metal such as iron, zinc, nickel, calcium, magnesium, or a metal salt thereof, rinsing the hair with water, drying, and finishing.

The hair dye according to claim 1 of the present invention uses indigo dye components having a long history as pharmaceuticals or as dyes for fibers for hair dyeing, so that the skin does not stain even when attached to the skin. Colors that are not faded, have high robustness, and can be dyed by sensitive builders who have never been able to dye hair, eliminate irritation and damage to the scalp and hair, and reduce the yellowing of gray hair. A new hair texture, such as being able to dye the hair, is obtained, and it is expected that the hair dyeing effect will match the color of the Japanese hair. A reducing agent and an alkaline agent are added in an amount in a specific range to at least one component selected from indigo “sukumo”, “precipitated indigo”, “indigo indigo leaf” and a mixture of two or more of these in front of the hair dyeing. A hair dye can be prepared and applied to the hair for easy hair dyeing.

The hair dye according to claim 2 of the present invention can be permed simultaneously with hair dyeing.

The hair dye according to claim 3 of the present invention is a natural plant dye component such as persimmon, umami, suo, cochineal, logwood, henna, chestnut, onion, coffee, and / or an extract thereof and / or an extract thereof. The color change can be brought about by adding another hair coloring material selected from freeze-dried powder.

The hair dye according to claim 4 of the present invention can be increased and shaped by adding plant components such as tea leaves, comfrey, chamomile, chlorella, rosemary and seaweed.

Since the hair dye according to claim 5 of the present invention contains saponin-containing plant components such as mukuroji, saikachi, and quilla skin as hair dye regulators, (5) production of indirubin is suppressed and the original color of indigo is produced. be able to. Depending on the type and amount of the saponin-containing plant component to be used, the color spread and color change can be obtained, for example, by adding a slightly reddish purple to the original color of indigo.

Since the hair dye according to claim 6 of the present invention contains plant-derived thickening components such as guar gum and seaweed extract and refined extract, and animal-derived thickening components such as silk protein, the hair dye when applied to hair. It can be adjusted so that the agent adheres well and does not sag.

The hair dye according to claim 7 of the present invention can enhance the texture of hair by including natural products such as oils, conditioning agents, surfactants, wetting agents, or chemical additives.

The hair dye according to claim 8 of the present invention contains an additive selected from antiseptics and / or antioxidants such as parabens and benzoates, ultraviolet absorbers, chelating agents, Oxidation resistance, ultraviolet resistance, etc. can be improved.

The hair dyeing method according to claim 9 of the present invention can perform firmer hair dyeing.

The hair dyeing method according to claim 10 of the present invention makes it possible to perform firmer hair dyeing.

Hereinafter, the present invention will be described in detail.
FIG. 1 shows the principle of color development when dyeing hair with indigo.
In FIG. 1, (1) indicans (water-soluble) of glycosides mainly contained in leaves of indigo are hydrolyzed by an enzyme (β-glucosidase) coexisting in the same plant (2 ) Produces indoxyl (water soluble). In the air, (2) Indoxyl oxidatively associates with two molecules to form (3) indigo (water-insoluble) and develops color.
In addition to this reaction, there is a reaction that produces (4) isatin and (5) indirubin. (5) Since indirubin has a reddish purple color, depending on the hair dyeing conditions, (5) the amount of indirubin produced increases, and the original blue to amber color disappears and the reddish purple color becomes stronger.

The hair dye of the present invention comprises (a) at least one component selected from (i) indigo “sukumo”, “precipitated indigo”, “indigo dry leaf” and a mixture of two or more of these, (b) a reducing agent, C) A hair dye containing an alkaline agent as an essential component, wherein the (b) reducing agent is 0.1 to 20% by weight and the (c) alkaline agent is 0.01 to 10% by weight with respect to the whole hair dye. % Hair dye.

(I) Indigo "sukumo" used in the present invention is a product of indigo green leaves stacked and fermented with water from time to time. ”Dried indigo leaves” are dried indigo leaves in the sun, etc., all in the presence of water (1) Indican is hydrolyzed by enzyme (β-glucosidase) (2) India Xyl was produced, and the produced (2) indoxyl was exposed to air and (3) indigo. Therefore, (i) indigo “sukumo”, “precipitated indigo”, and “indigo dry leaves” both contain (3) indigo.

(A) When dyeing hair using at least one component selected from indigo “sukumo”, “precipitated indigo”, “indigo indigo leaf” and a mixture of two or more of these, ”,“ Precipitated indigo ”,“ indigo dry leaves ”and at least one component selected from a mixture of two or more of these, (b) a reducing agent and (c) an alkaline agent are added, and (3) indigo is added to“ Reduce to “Roycoin Jigo”. The hair dye of the present invention, which has been “Roycoin Jigo”, is uniformly applied to the hair. “Roycoin Jigo” penetrates into the hair, and touching the air in that state, “Roycoin Jigo” is oxidized (3) becomes indigo and can be dyed to the desired dark color, In addition, it is possible to carry out highly durable hair dyeing. After dyeing, the hair is rinsed with water, dried and finished.

Specific examples of the (b) reducing agent used in the present invention include, for example, a sulfite compound such as sodium bisulfite and sodium sulfite, and a mercapto group in the molecule as a thiol compound or amino acid thiol compound. Mercaptocarboxylic acids such as thioglycolic acid, thiolactic acid, 3-mercaptopropionic acid, thiotartaric acid, thiomalic acid, dimercaptoadipic acid, cysteine, N-acetylcysteine, and homocysteine; cysteamine, N-acylcysteamine Cysteamine derivatives such as: mercaptoalcohols such as 2-mercaptoethanol, thioglycerol, 3-alkoxy-1-mercapto-2-propanol; methylthioglycolate, ethylthioglycolate, glycol monothioglycolate 1,2-propylene glycol monothioglycolate, glycerol monothioglycolate, glycol monothiolactate, glycerol monothiolactate, glycerol mono-3-mercaptopropionate, cysteine methyl ester, cysteine ethyl ester, homocysteine methyl ester, Mercaptocarboxylic esters such as homocysteine ethyl ester; mercaptocarboxylic amides such as thioglycolamide, N-hydroxyethylthioglycolamide, 3-mercaptopropionamide, N-hydroxyethyl-3-mercaptopropionamide, cysteine amide, And tocopherols alone or a mixture of two or more selected from these.
(B) The concentration of the reducing agent is not particularly limited, but is usually 0.1 to 20% by weight, preferably 1.0 to 11.0% by weight. If it exceeds wt%, the dyeability deteriorates.

Specific examples of (c) alkali agents used in the present invention include, for example, alkali metals such as sodium hydroxide and potassium hydroxide, inorganic alkalis of alkaline earth metals such as magnesium hydroxide and calcium hydroxide, ammonia, Examples include organic alkalis such as monoethanolamine, diethanolamine, triethanolamine, and isopropanolamine, and alkaline salts such as sodium citrate and trisodium phosphate.
As other alkali agents, guanidine salts such as ammonium hydrogen carbonate, ammonium carbonate, sodium carbonate and guanidine carbonate, lysine, arginine and 2-amino-2-methylpropanol can be used.
The concentration of the alkali agent is not particularly limited, but is usually 0.01 to 10% by weight, preferably 1.0 to 7% by weight. If it is less than 0.01% by weight, the effect is not obtained, and if it exceeds 10% by weight, the dyeability is deteriorated.

(A) When dyeing hair with at least one component selected from “sukumo”, “precipitated indigo”, “indigo indigo leaf” and a mixture of two or more of these, (ii) the reducing agent and (c) ) Used in combination with or mixed with a permanent agent based on thioglycolic acid or cysteine, one of the permanent agents, or a curling agent based on sulfites, which is an agent combined with an alkaline agent. Also good.

The raw material plant of indigo used in the present invention is not particularly limited, and specific types of indigo include plants of the genus Indigofera including, for example, carp indigo, Ryukyu indigo, Indian indigo and large blue. be able to.
Tadeai is an annual grass produced in Indonesia, China, and Japan in the Polygonaceae eye (Polygonum tinctorium LOUR).
Ryukyu indigo [Acerthaceae Ryukyuai (NEES)] is a perennial plant that is produced in Okinawa, China Indian indigo is a perennial plant in Leguminosae that is produced in India, Java, etc. (Indigofera tinctoria.).
Taisei is a cruciferae Taisei (Isatisindigitala FORTUNE), which is an annual plant produced in Central Europe and China.
Indigo can be whole plants including roots and stems, but leaves are particularly good. Indigo leaves may be cut first or third, but the leaves at the top of the growing season are particularly suitable for use.

The hair dye of the present invention can be used alone, but a color change can be produced by adding an appropriate amount of other hair dye materials.
As other hair dyeing materials, specifically, for example, salmon, arakashi, apricot, Indian moth, eel, ume, enju, leeks, oysters, oaks, karyas, karin, gun beer, yellowfin, cinnamon, peony, camphor, Gardenia, Kunugi, Chestnut, Kurochiku, Mulberry, Quail, Laurel, Gentian Shoko, Tea, Coffee, Cochineal, Quercus, Gobaishi, Japanese Viburnum, Coccinella, Sakura, Pomegranate, Cyprus, Birch, Suo, Zumi, Prunus, Soyogo, Taboki, Onion, clove, dokudami, nikkei, dogwood, harzion, peanut, loquat, areca, pegoki, safflower, marigold, dogwood, mirobaran, mussel, purple, musk, yabumao, wild bob, bayberry, mugwort, green tea, rack, tea And the like can be given a mixture of two or more thereof.
Among these, natural vegetation dyeing ingredients such as persimmon, ukon, suo, cochineal, logwood, henna, chestnuts, onions, coffee, etc., which are ingredients, can be preferably used.

In addition, for the hair dye of the present invention, aloe, chamomile, licorice, chlorella, comfrey, cinnamon, shiitake, jasmine, sage, carrot, garlic, tea, peppermint, marigold, lavender, rosemary, seaweed, etc. Appropriate amounts of plant components can be added as extenders and / or excipients.
Among these, tea leaves, comfrey, chamomile, chlorella, rosemary, seaweed and the like can be preferably used.

In addition, for the hair dye of the present invention, for example, Sapindus Mukurossi Gaertn., Blamecea honey locust (Gleditschia Japana Mig.), Quillaia Saponin mint, Saponin-containing plants such as kyokyo (kikyo), cod tree, enju, senega, soybean (soybean), licorice, and a millipede can be added as a hair coloring regulator.
As shown in FIG. 1, (1) indican is hydrolyzed by an enzyme (β-glucosidase) to produce (2) indoxyl (water-soluble), and (2) indoxyl is oxidized in the air. In addition to (3) indigo, there is a reaction that produces (4) isatin and (5) indirubin. (5) Since indirubin has a reddish purple color, depending on the hair dyeing conditions, (5) the amount of indirubin produced increases, and the original blue to amber color disappears and the reddish purple color becomes stronger.

However, when saponin-containing plants such as mukuroji, saikachi and kiraya are added to the hair dye of the present invention, (5) production of indirubin is suppressed and (3) the amount of indigo produced is increased. Can produce the original color of indigo.

Therefore, when dyeing hair in the original color of indigo, saponin-containing plants such as mukuroji, saikachi and kiraya skin are added to the hair dye of the present invention. The types and blending amounts of these saponin-containing plants In this way, the original color can be changed to a slightly reddish purple, and the color spread and color change can be obtained.

The amount of the saponin-containing plant added is not particularly limited, but it is usually 0.1 to 20.0% by weight, preferably 1 to 5% by weight based on the whole hair dye. If it is less than 0.1% by weight, (5) the effect of suppressing indirubin formation is low, and if it exceeds 20.0% by weight, the effect is not improved, and conversely the hair dyeing effect is reduced.

Moreover, in order to improve the adhesiveness to hair and the operativity at the time of hair dyeing to the hair dye of this invention, a proper quantity of thickening components can be mix | blended.
As the thickening component, a. A water-soluble polymer such as a natural product, semi-synthetic product, synthetic product, etc. Electrolytes such as sodium chloride, potassium chloride, sodium sulfate, c. A nonionic surfactant, d. Oil can be used.
In the present invention, plant components such as guar gum and seaweed extract and purified extract, and animal-derived thickening components such as silk protein can be preferably used.
Other thickening components that can be used in the present invention include thickening components consisting of celluloses, alginates and polysaccharides, in particular methylcelluloses, ethylcelluloses, hydroxyethylcelluloses, methylhydroxyethylcelluloses, methylhydroxypropyl. Cellulose, carboxymethylcelluloses, polyvinyl alcohol, carboxyvinyl polymer, alginic acid, sodium alginate, ammonium alginate, calcium alginate, gum arabic, xanthan gum, carrageenan, and a thickening component alone selected from the group consisting of cationic derivatives thereof Or you can make a mixture of two or more. The addition amount of the thickening component is preferably about 0.1 to 15% by weight, particularly about 0.2 to 10% by weight, based on the total amount.

In addition, in order to enhance the hair texture of the present invention, naturally-derived and chemically added components such as oils, conditioning agents, surfactants, wetting agents and the like can be added in an appropriate amount.
Specific examples of additive components that can be used in the present invention include animal and vegetable fats and oils such as lanolin, mink oil, horse oil, almond oil, castor oil, jojoba oil, medford oil, and olive oil; Sterols derived from animals and plants such as lanolin alcohol and phytosterol, and their derivatives; minerals such as solid paraffin, ceresin, whale wax, beeswax and carnauba wax, waxes derived from animals and plants; hydrocarbons such as liquid paraffin and squalane Oils; higher alcohols such as lauryl alcohol, cetanol, cetostearyl alcohol, oleyl alcohol; higher fatty acids such as lauric acid, stearic acid, oleic acid; polyoxyethylene polyoxypropylene glycol, isopropyl myristate, isopropyl palmitate, Synthetic oils such as cetostearyl sooctanoate and alkyl isostearate; polyoxyethylene alkyl ether sulfate, 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, N-coconut oil fatty acid acyl-L-glutamic acid Surfactants such as salt, surfactants such as polyoxyethylene higher alcohol ether, polyoxyethylene higher fatty acid ester, polyoxyethylene hydrogenated castor oil; glycerin, sorbit, propylene glycol, 1,3-butylene glycol, etc. Polyhydric alcohols; lower alcohols such as ethanol; hyaluronic acid salt, pyrrolidone carboxylate, hydrolyzed collagen, hydrolyzed keratin, hydrolyzed silk, trehalose, and other moisturizers; Moniumu, cationized formulations such as cationized dextran; and the like can be illustrated,
In addition, the conditioning agent is (1) the comb is good and the hair is not dry, (2) the hair is always moist and easy to bundle, curl retention is good, (3) the appearance of the hair is glossy, and the body feeling Yes, (4) It is added to give effects such as strengthening hair.

Further, for the hair dye of the present invention, an additive selected from parabens, bactericides such as benzoates, preservatives and / or antioxidants, ultraviolet absorbers and chelating agents in order to increase the temporal stability. An appropriate amount can be added as long as the desired effect of the hair dye of the present invention is not impaired. Although the addition amount of these additives is not specifically limited, Usually, it is the range of 0.01 to 1.0 weight% with respect to the whole hair dye. If it is less than 0.01% by weight, the stability over time may not be obtained, and even if added over 1.0% by weight, the stability over time will not be obtained, which is uneconomical.
Specific examples of the bactericides and preservatives used in the present invention include, for example, acids such as benzoic acid, salicylic acid, dehydroacetic acid, sorbic acid, and salts thereof, sodium benzoate, alkyl oxybenzoates, cetyl chloride. And pyridinium, benzalkonium chloride, alkyltrimethylammonium chloride, phenoxyethanol, triclosan, trichlorocarbanilide, zinc pyrithione, ethanol, and a mixture of two or more thereof. In general, it is effective to use two or more kinds of bactericides and preservatives.
Specific examples of chelating agents (metal sequestering agents) used in the present invention include, for example, ethylenediaminetetraacetic acid derivatives, tripolyphosphates, hexametaphosphates, dihydroxyethylglycine, citric acid, tartaric acid, gluconic acid, and sugar acids. Can be mentioned. These exert their effects by forming a water-soluble complex salt with a trace amount of heavy metal ions.
Specific examples of the ultraviolet absorber used in the present invention include benzophenone derivatives such as oxybenzone and benztriazole derivatives.
The antioxidant used in the present invention prevents oxidation of the hair dye and hair dye composition of the present invention. Specifically, for example, tocophenol, nordihydroguaiaretic acid, butylhydroxyanisole Well-known antioxidants such as dibutylhydroxytoluene, propyl gallate, sodium bisulfite, ersovic acid, parahydroxyanisole, tea extract and apple extract can be used.
An appropriate amount of a fragrance can be added to the hair dye of the present invention. A fragrance is an important component for making a product attractive, increasing its commercial value, and masking the odor of other components, as well as a pigment.

One method of dyeing hair using the hair dye of the present invention is that after dyeing a single metal such as aluminum, iron, zinc, nickel, calcium, magnesium, or a metal salt thereof, the hair dye is used as it is. Or mix with an appropriate amount of water and apply evenly. Although the hair dyeing conditions are not particularly limited, for example, the hair is dyed by leaving it at about 40 to 45 ° C. for about several minutes to about 30. After dyeing, the hair is rinsed with water, dried and finished. A sufficient hair dyeing result can be obtained even when no mordanting is carried out, but a firmer hair dyeing result can be obtained by carrying out the pre-morning.

In another method of dyeing hair using the hair dye of the present invention, the hair dye is uniformly applied to the hair as it is or mixed with an appropriate amount of water. Although the hair dyeing conditions are not particularly limited, for example, the hair is dyed by leaving it at about 40 to 45 ° C. for about several minutes to about 30. After the hair is dyed, mordanting is performed using a single metal such as aluminum, iron, zinc, nickel, calcium, magnesium, or a metal salt thereof. The hair is then rinsed with water, dried and finished. A sufficient hair dyeing result can be obtained even without post-mordanting, but a firmer hair dyeing result can be obtained by post-mordanting.

Hereinafter, the present invention will be described in more detail with reference to examples. However, the present invention is not limited to these examples.

Example 1
The hair dye of the present invention containing indigo “sukumo”, sodium sulfite, aqueous ammonia and water was prepared according to the following formulation.
Sukumo 5.0g
Sodium sulfite (Na ₂ SO ₃ ) 0.7g
Ammonia water 0.1g
100 ml of purified water
The hair dye of the present invention comprising the above mixed solution was allowed to stand at 40 to 45 ° C. for 30 minutes, and then the upper layer solution (Roycoin Digo) was applied to the hair. Thereafter, it was wrapped, heated (40 to 45 ° C.), allowed to stand for 30 minutes, washed with water, dried and finished. A pale blue color was produced by adding a reducing agent and an alkali agent.
The hair dye of the present invention has no irritation or damage to the scalp and hair, and does not stain the skin even if it touches the skin, it can dye the gray color of gray hair to a natural color, has high robustness, and has a new hair texture was gotten.

(Example 2)
A hair dye of the present invention containing indigo “sukumo” and perm liquid first liquid was prepared according to the following formulation.
Sukumo 5.0g
Perm liquid 1st liquid 100g
The hair dye of the present invention comprising the above mixed solution was allowed to stand at 40 to 45 ° C. for 30 minutes, and then the upper layer solution (Roycoin Digo) was applied to the hair. Then, while applying, the perm operation and hair dyeing were performed simultaneously on the rod. By mixing the first perm liquid and the soup, hair dye and perm were formed at the same time.
The hair dye of the present invention has little irritation and damage to the scalp and hair, and even if it touches the skin, it does not stain the skin, it can dye the yellowing of gray hair to a natural color, it is highly robust, and has a new hair texture At the same time, a beautiful wave was obtained.

(Example 3)
A hair dye of the present invention containing “precipitation indigo”, sodium sulfite, aqueous ammonia and water was prepared according to the following formulation.
Precipitation indigo plant 5.0g
Sodium sulfite (Na ₂ SO ₃ ) 0.7g
Ammonia water 0.1g
100 ml of purified water
The hair dye of the present invention comprising the above mixed solution was allowed to stand at 40 to 45 ° C. for 30 minutes, and then the upper layer solution (Roycoin Digo) was applied to the hair. Thereafter, it was wrapped, heated (40 to 45 ° C.), allowed to stand for 30 minutes, washed with water, dried and finished. A pale blue color was produced by adding a reducing agent and an alkali agent.
The hair dye of the present invention has no irritation or damage to the scalp and hair, and does not stain the skin even if it touches the skin, it can dye the gray color of gray hair to a natural color, has high robustness, and has a new hair texture was gotten.

Example 4
The hair dye of the present invention containing indigo “dry indigo leaves”, sodium sulfite, aqueous ammonia and water was prepared according to the following formulation.
Sukumo 5.0g
Sodium sulfite (Na ₂ SO ₃ ) 0.7g
Ammonia water 0.1g
100 ml of purified water
The hair dye of the present invention comprising the above mixed solution was allowed to stand at 40 to 45 ° C. for 30 minutes, and then the upper layer solution (Roycoin Digo) was applied to the hair. Thereafter, it was wrapped, heated (40 to 45 ° C.), allowed to stand for 30 minutes, washed with water, dried and finished. A pale blue color was produced by adding a reducing agent and an alkali agent.
The hair dye of the present invention has no irritation or damage to the scalp and hair, and does not stain the skin even if it touches the skin, it can dye the gray color of gray hair to a natural color, has high robustness, and has a new hair texture was gotten.

The hair dye of the present invention contains a reducing agent and an alkali as at least one component selected from indigo “sukumo”, “precipitated indigo”, “indigo dry leaf” and a mixture of two or more thereof immediately before hair dyeing. A hair dye can be prepared by adding an amount of the agent in a specific range and applied to the hair for easy hair dyeing. The hair dye of the present invention uses indigo dye components that have a long history as pharmaceuticals or as dyes for textiles, and does not stain or lose color even when attached to the skin. It is highly robust and can be used by sensitive builders who have not been able to dye hair until now, and it can eliminate irritation and damage to the scalp and hair, and can reduce the yellowing of gray hair to a natural color. New hair texture can be obtained, and the hair dyeing effect of color tone suitable for Japanese hair color can be expected continuously, so it has high industrial utility value.

It is explanatory drawing which shows the principle of coloring in the case of dyeing hair using indigo.

Explanation of symbols

1 Indican 2 Indoxyl 3 Indigo 4 Isatin 5 Indirubin

Claims (10)

(A) At least one component selected from indigo “sukumo”, “precipitated indigo”, “indigo indigo leaf” and a mixture of two or more of these, (b) a reducing agent, and (c) an alkaline agent as essential components A dye comprising: (b) a reducing agent in an amount of 0.1 to 20% by weight, and (c) an alkali agent in an amount of 0.01 to 10% by weight with respect to the entire hair dye. Hair agent. Use a permanent agent mainly composed of thioglycolic acid or cysteine, or one of the permanent agents, or a curling agent mainly composed of sulfite, which is a combination of the (b) reducing agent and the (c) alkaline agent. The hair dye according to claim 1. Natural hair-dyeing ingredients such as persimmon, ukon, suo, cochineal, logwood, henna, chestnut, onion, coffee and / or other extractive ingredients and / or other hair dye materials selected from these freeze-dried powders The hair dye of Claim 1 or Claim 2 characterized by the above-mentioned. The hair dye according to any one of claims 1 to 3, comprising plant components such as tea leaves, comfrey, chamomile, chlorella, rosemary and seaweed as a bulking agent and / or an excipient. The hair dye according to any one of claims 1 to 4, wherein the hair dye contains a saponin-containing plant component such as mukuroji, saikachi, and quilla peel as a hair dye regulator. A plant-derived thickening component such as guar gum and seaweed extract and purified extract, and an animal-derived thickening component such as silk protein, in order to enhance adhesion to hair and operability during hair dyeing. The hair dye according to any one of claims 1 to 5. The hair dye according to any one of claims 1 to 6, comprising a natural product or a chemical additive component such as an oil agent, a conditioning agent, a surfactant, and a wetting agent in order to enhance the texture of the hair. . 8. An additive selected from antiseptics such as parabens and benzoates and / or antioxidants, ultraviolet absorbers, and chelating agents in order to enhance stability over time. Hair dye according to crab. After mordanting with a single metal such as aluminum, iron, zinc, nickel, calcium, magnesium, or a metal salt thereof, the hair dye according to any one of claims 1 to 8 is used as it is or in an appropriate amount. A hair dyeing method characterized by mixing with water and applying uniformly, and after dyeing, rinsing the hair with water, drying and finishing. The hair dye according to any one of claims 1 to 8 is applied to hair as it is or after being uniformly mixed with an appropriate amount of water and dyed, and then aluminum, iron, zinc, nickel, calcium, magnesium A hair dyeing method comprising mordanting with a simple metal such as a metal salt or a metal salt thereof, rinsing the hair with water, drying, and finishing.

Images