JP2009073827A - Volume-up and coloring hair dye and aerosol-type volume-up and coloring hair dye - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a volume-up and coloring hair dye which can stably dye hair in a specified hair dyeing concentration, can effectively improve feelings of hair volume-up, and can effectively prevent the occurrence of cakings due to deposition of carbon particles, and to provide an aerosol-type volume-up and coloring hair dye using the same. <P>SOLUTION: The volume-up and coloring hair dye comprises the carbon particles as a coloring agent, an adhesion agent, a solvent, and thixotropic agent, wherein the coloring agent comprises carbon particles with a number-average particle diameter in the range of 2-200 μm, the amount of the carbon particles added is in the range of 10-150 pts.wt., the amount of the solvent added is in the range of 30-1,000 pts.wt., and the amount of the thixotropic agent added is in the range of 0.1-20 pts.wt., the amounts being ones per 100 pts.wt. adhesion agent. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a hair coloring coloring agent for coloring and increasing the volume of hair. In particular, it is possible to effectively improve the volume increase feeling while stably dyeing the hair at a predetermined hair concentration, and to effectively suppress the occurrence of caking due to the settling of charcoal particles. The present invention relates to a hair thickening coloring hair dye that can be used, and an hair thickening coloring hair dye for aerosol using the same.

In recent years, thickening coloring dyes for increasing the volume of hair have been widely used.
Various methods such as a method in which dyed fibers are sprinkled on the hair and a method in which coated mica particles are attached to the hair to give a gloss are used as the hair thickening coloring dye.
However, with the hair thickening coloring hair dyes that adopt these methods, the natural flow of the hair is lost, giving an unnatural impression or changing the gloss of the hair. There was a problem that it could not be obtained.

Therefore, in order to more effectively improve the volume increase of hair, a hair thickening coloring hair dye containing a powder carrier made of talc, a colorant such as carbon black, and an adhesive made of resin or the like has been disclosed. (For example, Patent Document 1).
More specifically, a powder carrier made of talc or the like carrying a colorant such as carbon black is coated on each hair with an adhesive made of resin or the like, and each of these hairs This is a hair coloring coloring hair dye that adopts a method that effectively improves the volume-up feeling by making the hair look thicker.

  In addition, a powder carrier made of talc or the like carrying a colorant such as carbon black is coated on each hair with an adhesive made of resin or the like, and then a water-resistant resin such as octylamide acrylate is applied. A method for thickening hair, which is characterized in that it is used for further coating is disclosed (for example, Patent Document 2).

However, when the hair thickening coloring dye described in Patent Document 1 is used, the volume-up feeling can be improved to some extent, but the colorant such as carbon black is eluted by moisture such as sweat from the scalp or rain. There was a problem that it was easy.
As a result, water containing such a colorant may flow out to the face and neck, and the user must always pay attention to the usage environment of the hair coloring coloring hair dye.
Furthermore, since the hair thickening coloring hair dye described in Patent Document 1 uses a powder carrier made of talc or the like, the color of the colorant such as carbon black is inhibited by the white or gray color of the powder carrier itself. As a result, there has been a problem that it is difficult to dye at a predetermined hair dyeing concentration.

In addition, although the hair thickening method described in Patent Document 2 can suppress the elution and outflow of the colorant due to moisture to some extent, the adhesive or water-resistant resin is substantially controlled by a finger or a comb. It was necessary to rub against or loosen the hair until the adhesiveness was lost.
Therefore, in the case of carrying out such a hair thickening method, there is a problem that not only much labor is required, but also damage to the hair is significant.
In addition, in the hair thickening method described in Patent Document 2, similarly to the hair coloring coloring hair dye described in Patent Document 1, the hair is dyed at a predetermined hair density due to the influence of a powder carrier made of talc or the like. There was also a problem that became difficult.

On the other hand, bamboo charcoal particles having a predetermined particle diameter as a colorant are effectively used as a technique for improving the volume-up feeling while dyeing at a predetermined hair concentration without using a powder carrier made of talc or the like. The thickening coloring hair dye used is disclosed (for example, Patent Document 3).
More specifically,
(A) Fine powder having a particle diameter of 13 to 13.47 μm made of 8 wt% bamboo charcoal (b) 1 to 5 wt% resin for hair spray (c) 0.20 to 1.00 wt% coconut fatty acid which is a dispersant A thin hair spray composition comprising 0.20 to 1.00 wt% dimethicone copolyol (e) solvent (f) propellant as a sorbitan (d) dispersion stabilizer is disclosed.
Japanese Patent No. 3074443 (Claims) JP-A-2005-194210 (Claims) Patent No.39211193 PR (Claims)

However, the thin hair spray composition of Patent Document 3 has a problem in that bamboo charcoal particles settle and become a lump, so-called caking.
Therefore, in order to prevent the caking of bamboo charcoal particles from occurring in the spray nozzle, the spray composition for thin hair of Patent Document 3 is in a state where the spray nozzle is floated from the bottom surface of the aerosol can as shown in FIG. A need has arisen, but as a result, there has been a problem that the hair spray composition cannot be used up completely.
Further, even if configured as shown in FIG. 8, the bamboo charcoal particle caking cannot be fundamentally solved. For example, when bamboo charcoal particles caked during use enter the spray nozzle, injection failure may occur. There was a problem that it was likely to occur.

Therefore, as a result of diligent study, the present inventors have determined that, in the hair thickening coloring hair dye, the charcoal particles are used as the colorant and the thixotropic property-imparting agent is contained in a predetermined amount so that the hair is stably stabilized at a predetermined hair coloring concentration. The present invention has been completed by finding that the hair can be dyed at the same time, the volume of hair can be effectively increased, and the occurrence of caking due to the sedimentation of charcoal particles can be effectively suppressed. Is.
That is, the object of the present invention is to effectively improve the volume-up feeling while dyeing the hair stably at a predetermined hair density, and to effectively cause caking due to the sedimentation of charcoal particles. An object of the present invention is to provide a hair thickening coloring hair dye that can be suppressed in an effective manner and an aerosol hair coloring coloring hair dye using the same.

According to the present invention, a hair thickening coloring hair dye comprising carbon particles as a colorant, an adhesive, a solvent, and a thixotropic agent,
The colorant is charcoal particles having a number average particle diameter in the range of 2 to 200 μm,
For 100 parts by weight of the adhesive,
The addition amount of the carbon particles is a value within the range of 10 to 150 parts by weight,
The addition amount of the solvent is a value within the range of 30 to 1,000 parts by weight,
And the hair thickening coloring hair dye characterized by making the addition amount of a thixotropy imparting agent into the value within the range of 0.1-20 weight part is provided, and the problem mentioned above can be solved.
That is, by using charcoal particles as a colorant, even when the use of a powder carrier made of talc or the like is omitted or reduced, the color of the charcoal particles itself effectively improves the sense of volume up of the hair. be able to.
Further, since the use of a powder carrier made of talc or the like can be omitted or reduced, the color of the colorant is hindered by the white or gray color of the powder carrier itself, and a predetermined hair density is obtained. The problem that it becomes difficult can be effectively suppressed.
In addition, the charcoal particles have the effect of elution and outflow with respect to moisture due to the excellent water absorption of the charcoal particles even when they come into contact with moisture such as sweat from the scalp or rain. Can be suppressed.
In addition, by setting the number average particle diameter of the charcoal particles within a predetermined range, the natural color gloss inherent in the hair is reproduced while preventing eye clogging and improving the sense of volume increase. Can do.
Further, even when charcoal particles are used as the colorant in this way, the precipitation of the charcoal particles can be effectively prevented by containing a predetermined amount of the thixotropic agent.
Therefore, even when the hair thickening coloring hair dye is used in, for example, an aerosol product, it is possible to sufficiently suppress the occurrence of a problem that the hair is clogged and cannot be sprayed uniformly.

Moreover, in constituting the hair thickening coloring hair dye of the present invention, it is preferable to use charcoal as the charcoal particles.
In this way, by using charcoal as the charcoal particles, it is possible to more effectively reproduce the natural color luster inherent in the hair.

Further, in constituting the hair thickening coloring hair dye of the present invention, it is preferable that the thixotropic agent is silica fine particles or sodium alginate.
With such a thixotropic property-imparting agent, even if it is added in a relatively small amount, it can impart thixotropy properties, so the color of the charcoal particles itself can effectively color the hair and improve the volume up feeling. Can do.

Moreover, in comprising the hair thickening coloring hair dye of this invention, while containing coloring agents other than carbon particles, the addition amount of coloring agents other than the said carbon particles is 0.5-30 weight part per 100 weight part of carbon particles. It is preferable to set the value within the range.
By comprising in this way, the luster which hair originally has can be reproduced with a more effective and natural texture, and can also be adapted for the purpose of use as fashion dyeing.

Moreover, in comprising the hair thickening coloring hair dye of this invention, while containing a white inorganic material, the addition amount of the said white inorganic material is the value in the range of 0.5-30 weight part per 100 weight part of carbon particles, and It is preferable to do.
When charcoal particles are used as a colorant, a relatively large amount of colorant other than charcoal particles is not used.
In some cases, a color developability such as brown may not be obtained.
On the other hand, by including a predetermined amount of the white inorganic material, a desired color developability such as brown can be obtained by a combination of charcoal particles as the colorant and other colorants.

In constituting the hair thickening coloring hair dye of the present invention, the white inorganic material is preferably at least one selected from the group consisting of coral powder, calcium carbonate, and shirasu balloon.
With such a white inorganic material, even if it is added in a relatively small amount, a desired color developability such as brown can be obtained even better by combination with charcoal particles as a colorant.

Moreover, in comprising the hair thickening coloring hair dye of this invention, while containing a lubricant, the addition amount of the said lubricant is the value within the range of 0.1-30 weight part with respect to 100 weight part of adhesive agents, and It is preferable to do.
By comprising in this way, while the dispersion | distribution grade of a coloring agent improves, when using it for hair, a predetermined gloss can be expressed.

Further, in constituting the hair thickening coloring hair dye of the present invention, the adhesive is a copolymer containing an alkyl (meth) acrylate monomer and a diacetone acrylamide monomer, and the carboxyl group in the copolymer On the other hand, an alkyl (meth) acrylate copolymer obtained by ester-linking amino alcohol is preferable.
By comprising in this way, since adhesiveness etc. are still more suitable, while being able to make carbon particles adhere firmly to each hair, on the other hand, in the case of shampooing hair coloring Hair dye can be easily removed.

In constituting the hair thickening coloring hair dye of the present invention, the solvent is preferably ethyl alcohol.
As described above, by using ethyl alcohol as the solvent, the colorant and the adhesive can be more uniformly dispersed.

Further, another aspect of the present invention is an aerosol hair thickening coloring hair dye containing charcoal particles as a colorant, an adhesive, a solvent, a thixotropic agent, and a propellant in a container. ,
The colorant is charcoal particles having a number average particle diameter in the range of 2 to 200 μm,
For 100 parts by weight of the adhesive,
The addition amount of the carbon particles is a value within the range of 10 to 150 parts by weight,
The addition amount of the solvent is a value within the range of 30 to 1,000 parts by weight,
And the addition amount of a thixotropy imparting agent shall be the value within the range of 0.1-20 weight part, It is a hair thickening coloring hair dye for aerosols characterized by the above-mentioned.
That is, by setting the hair thickening coloring hair dye to an aerosol type, the hair thickening coloring hair dye is sprayed in a mist form, so that the charcoal particles can be more uniformly attached to each hair.

In constituting the hair thickening coloring hair dye for aerosol of the present invention, the propellant is preferably dimethyl ether and / or liquefied petroleum gas.
By comprising in this way, the inside of a container can be pressurized without changing the component of hair thickening coloring hair dye, and it can also suppress the damage with respect to an environment.
In addition, in comprising the hair thickening coloring hair dye for aerosols of this invention, it is preferable to make the addition amount of a propellant into the value within the range of 30-85 vol% with respect to the capacity | capacitance of 100 vol% of a container.
That is, by limiting the addition amount of the propellant, the hair thickening coloring dye containing predetermined charcoal particles can be sprayed more uniformly.

[First Embodiment]
The first embodiment is a hair coloring coloring hair dye containing charcoal particles as a colorant, an adhesive, a solvent, and a thixotropic agent,
The colorant is charcoal particles having a number average particle diameter in the range of 2 to 200 μm,
For 100 parts by weight of the adhesive,
The addition amount of the carbon particles is a value within the range of 10 to 150 parts by weight,
The addition amount of the solvent is a value within the range of 30 to 1,000 parts by weight,
And it is a hair thickening coloring dye characterized by making the addition amount of a thixotropy imparting agent into the value within the range of 0.1-20 weight part.
Hereinafter, the hair coloring coloring hair dye as the first embodiment will be described in detail by dividing it into each constituent requirement.

1. Colorant (1) Type In the present invention, charcoal particles are used as a colorant.
The reason for this is that, by using charcoal particles as a colorant, even if the use of a powder carrier made of talc or the like is omitted or reduced, the charcoal particles themselves can effectively improve the volume increase of the hair. Because it can.
Further, since the use of a powder carrier made of talc or the like can be omitted or reduced, it is difficult to dye the hair at a predetermined hair density due to the white or gray color of the powder carrier itself. Can be effectively suppressed.
In addition, if it is charcoal particles, even if it comes into contact with moisture such as sweat from the scalp or rain, it is effective to elute or flow out due to the form and characteristics of the charcoal particles. This is because it can be suppressed.

In other words, unlike carbon black or ketchin black as a carbonized petroleum resin, carbon particles derived from natural raw materials can safely reproduce the natural color luster that Japanese hair originally has as a colorant. In addition, since it has a predetermined physical strength and specific gravity, it can function as a powder carrier for coating hairs one by one and making them appear thick.
Therefore, the use of a conventional powder carrier made of talc or the like can be omitted or reduced, and as a result, it is difficult to dye the hair at a predetermined hair density due to the white or gray color of the powder carrier itself. Can be fundamentally solved and contribute to stable hair dyeing.
In addition, the charcoal particles not only have excellent color developability, but also have a dense porous structure, a large contact area with the adhesive, and water insolubility itself, so excellent adhesion And water resistance can be exhibited. Thereby, even if the hair is exposed to moisture such as sweat, elution and outflow can be effectively suppressed.
In addition, even when the carbon particles are detached from the adhesive, the dense porous structure can effectively adsorb moisture such as sweat, compared with conventional colorants such as carbon black. Thus, it is possible to effectively solve the problem that the water containing the colorant flows out to the face and neck.
In addition, since the carbon particles can effectively absorb moisture contained in the hair thickening coloring hair dye, it is also possible to suppress aggregation of components that easily aggregate due to moisture, such as silicone-based components. Can contribute.

Here, using FIG. 1, while using carbon particles as a colorant and omitting the use of a conventional powder carrier made of talc (FIG. 1 (a)), as a colorant, carbon black or the like is used. The difference between the case where a conventional powder carrier made of a colorant and talc for supporting the colorant is used (FIG. 1B) will be described.
First, as can be seen from FIGS. 1 (a) and 1 (b), it can be seen that each individual hair can be made thicker by the charcoal particles 12 and the powder carriers 12a to 12c.
Next, regarding the hair dyeing concentration, in FIG. 1 (a), since the use of a conventional powder carrier made of talc or the like is omitted, the charcoal particles 12 can stably dye the hair at a predetermined hair dyeing concentration. I understand.
On the other hand, in FIG. 1B, it can be seen that the colorant is not uniformly supported on the conventional powder carriers 12a to 12c made of talc or the like, and as a result, it is difficult to obtain a predetermined hair dye concentration.
Furthermore, comparing FIGS. 1A and 1B, it can be seen that there is a difference in the surface irregularities of the hair. This is probably because the charcoal particles 12 tend to take a complex indeterminate shape due to their porous structure, and as a result, the surface of the hair as compared with the case where the charcoal particles 12 are not used (10 '). It is estimated that the unevenness becomes large (10).
In any case, it has been confirmed that the hair when using the charcoal particles 12 is rougher than the hair when using the charcoal particles 12.
Therefore, if it is a hair coloring coloring hair dye using the charcoal particles 12 shown in FIG. 1 (a), not only when it is directly viewed, but also when it is not directly viewed, It can be easily confirmed by touch.
In addition, in this way, with the hair coloring coloring hair dye using the charcoal particles 12 shown in FIG. 1 (a), since the surface irregularities of the hair become large, the light is appropriately diffusely reflected, and the natural hair naturally has Can effectively reproduce the gloss and feel.
Furthermore, the surface unevenness of the hair becomes large, so that even when a hair spray agent for imparting gloss and form protection is used in combination, the adhesion of the hair spray agent is effectively improved. be able to.
As described above, according to the present invention, since carbon particles are used as a colorant, the use of a conventional powder carrier made of talc or the like can be omitted, and as a result, various merits are obtained. be able to.
Therefore, in the present invention, it is preferable to omit the use of a conventional powder carrier made of talc or the like, and even when used, it is preferable to suppress the addition amount as much as possible.

Next, using FIGS. 2 to 4, while using charcoal particles as a colorant, a hair thickening hair dye that omits the use of a conventional powder carrier made of talc, etc., and using carbon black as a colorant, powder The difference in volume-up feeling, hair dye concentration and water resistance between the hair thickening coloring hair dye using talc as a carrier will be described.
First, in FIG. 2, the horizontal axis represents the characteristic curve with the colorant addition amount (parts by weight) with respect to 100 parts by weight of the adhesive, and the vertical axis the volume up feeling (relative evaluation).
The characteristic curve A is a characteristic curve when charcoal particles (tree species: pine) are used as a colorant, and the characteristic curve B is a case where carbon black is used as a colorant and talc is used as a powder carrier. It is a characteristic curve. Furthermore, the characteristic curve C is a characteristic curve when only carbon black is used as the colorant and no powder carrier is used.
Here, in the case of the characteristic curve B, the additive amount of the mixed powder mixed so that carbon black / talc = 30/100 (weight ratio) is drawn as the additive amount of the colorant.
The relative evaluation of volume up feeling is the result of evaluation of subjective volume up feeling by 100 subjects according to the following criteria.
4: Of 100 people, 90 to 100 people realized a sufficient improvement in volume.
3: 70 to 89 out of 100 people realized a sufficient improvement in volume.
2: Among 100 people, 40-69 people realized a sufficient improvement in volume feeling.
1: 0-39 out of 100 people realized a sufficient improvement in volume.

That is, as understood from the characteristic curve A, in the case of a hair thickening coloring dye using charcoal particles as a colorant, the addition amount of charcoal particles with respect to 100 parts by weight of the adhesive is about 10 parts by weight or more. It is possible to effectively improve the volume up feeling.
In addition, as understood from the characteristic curve B, even in the hair thickening coloring hair dye using carbon black as a colorant and talc as a powder carrier, the amount of the mixture added to 100 parts by weight of the adhesive is By setting the amount to about 50 parts by weight or more, it is possible to improve the volume increase feeling relatively efficiently.
On the other hand, it can be seen from the characteristic curve C that it is extremely difficult to improve the volume-up feeling in the case of hair thickening coloring hair dye using only carbon black as the colorant.
From the above results, even if it is a hair thickening coloring hair dye using charcoal particles as a coloring agent, even if it is a hair thickening coloring hair dye using a combination of carbon black as a coloring agent and talc as a powder carrier, the volume is increased. As for feeling, it is understood that both have excellent effects.
On the other hand, when carbon particles are used as the colorant, the volume-up feeling can be effectively improved without using a powder carrier such as talc, whereas carbon black is used as the colorant. In such a case, it is understood that it is essential to use a powder carrier such as talc.

In FIG. 3, the horizontal axis represents the characteristic curve with the colorant addition amount (part by weight) with respect to 100 parts by weight of the adhesive, and the vertical axis represents the hair dye density (relative evaluation).
The characteristic curve A is a characteristic curve when charcoal particles (tree species: pine) are used as a colorant, and the characteristic curve B is a case where carbon black is used as a colorant and talc is used as a powder carrier. It is a characteristic curve.
Further, the definition of the amount of the colorant added in the case of the characteristic curve B is the same as that in FIG.
The relative evaluation of the hair dye density is the result of evaluating the subjective hair dye density evaluation by 100 subjects according to the following criteria.
4: 90-100 people judged that it was sufficient hair dye density among 100 people.
3: 70 to 89 out of 100 people judged that the hair density was sufficient.
2: 40-69 out of 100 people judged that it was sufficient hair dye density.
1: It was judged that 0-39 out of 100 people had a sufficient hair dyeing concentration.

That is, as understood from the characteristic curve A, in the case of a hair coloring coloring hair dye using charcoal particles as a colorant, the amount of charcoal particles added to 100 parts by weight of the adhesive is about 10 parts by weight or more. It becomes possible to rapidly increase the hair dye concentration.
On the other hand, as understood from the characteristic curve B, in the hair thickening coloring hair dye using carbon black as a colorant and talc as a powder carrier, the amount of the mixture added is increased. However, since talc as a powder carrier lowers the hair dye density, it is difficult to obtain a sufficient hair dye density.
From the above results, hair thickening coloring hair dyes using carbon particles as a colorant can effectively improve the hair dye concentration, while carbon black as a colorant and talc as a powder carrier. It is understood that it is difficult to obtain a predetermined hair dye concentration with the hair thickening coloring hair dye using the above in combination, even when the amount added is increased.

Next, in FIG. 4, the horizontal axis represents the characteristic curve with the colorant addition amount (parts by weight) with respect to 100 parts by weight of the adhesive, and the vertical axis the water resistance (relative evaluation).
The characteristic curve A is a characteristic curve when charcoal particles (tree species: pine) are used as a colorant. The characteristic curve B is a case where carbon black is used as a colorant and talc is used as a powder carrier. It is a characteristic curve.
Further, the definition for adding the colorant in the case of the characteristic curve B is the same as that in FIG.
In addition, relative evaluation of water resistance is the result of evaluation according to the following criteria after spraying and drying hair thickening coloring hair dye on the hair of 10 subjects and then spraying 50 ml of water with a spray. .
4: In 10 persons, the outflow of water from which the colorant eluted was not confirmed.
In 3:10 persons, the outflow of water in which the colorant was slightly eluted was confirmed.
2: In 10 persons, the outflow of water from which the colorant had eluted was confirmed to the extent that it could be easily confirmed at close distances.
In 1:10 people, the outflow of water in which the colorant was clearly eluted was confirmed.

That is, as understood from the characteristic curve A, in the case of a hair thickening hair dye using charcoal particles as a colorant, the amount of charcoal particles added to 100 parts by weight of the colorant is set to a range of about 150 parts by weight or less. Thus, the water resistance can be stably maintained.
On the other hand, as can be understood from the characteristic curve B, in the hair thickening coloring hair dye using carbon black as a colorant and talc as a powder carrier, even if the amount of the mixture added is very small. It is difficult to maintain sufficient water resistance.
From the above results, if it is a hair coloring coloring hair dye using carbon particles as a colorant, water resistance can be stably maintained even when the addition amount of carbon particles is increased within a predetermined range. It is understood that it can be done.
On the other hand, in the hair thickening coloring hair dye combined with carbon black as a colorant and talc as a powder carrier, it is difficult to maintain a predetermined water resistance even if the amount added is very small. It is understood that

Moreover, it is preferable that a charcoal particle consists of charcoal.
The reason for this is that by using charcoal as the main component of the charcoal particles, the natural color luster inherent in the hair can be reproduced more effectively and economically.
That is, if it is charcoal which is a fibrous carbide, it has a uniform and fine porous structure, is not only lightweight, but also has a mean particle diameter in a predetermined range, by pulverization operation or classification operation This is because it can be easily obtained. Therefore, even when mixed with an aerosol type propellant as a relatively inexpensive colorant, it can be uniformly dispersed over a long period of time.
As a result, the gloss of the hair can be made more uniform and natural.

In addition, although it does not restrict | limit especially as charcoal particles other than charcoal, For example, bamboo charcoal, coconut husk charcoal, coke, matsutake ink (soot obtained when pine wood etc. are burned), etc. are mentioned.
It is also preferable that the charcoal particles be a material that satisfies a certain quality standard defined by the Japanese Pharmacopoeia, that is, medicinal charcoal.
This is because the use of medicinal charcoal as the charcoal particles is expected to improve the health condition of the scalp.
Furthermore, it is also preferable that the charcoal particles are so-called activated carbon, a material positively made porous by a physical method or a chemical method.
The reason for this is that by using activated carbon as the charcoal particles, the contact area with the adhesive can be increased, so that it can be more firmly fixed to the hair. Moreover, it is because activated carbon can expect various advantages, such as a hygroscopic effect, a deodorizing effect, and also a lightweight effect.
In addition, by treating the surface of such charcoal particles with dimethyl silicone or the like in advance, even when configured as a hair thickening coloring hair dye for aerosol, the charcoal particles are effectively prevented from agglomerating for a long period of time. This is a preferable mode because it can be stably injected.

Moreover, it is preferable that colorants other than charcoal particles are further included as colorants.
The reason for this is that by further including a colorant other than charcoal particles as the colorant, the color luster that the hair originally has can be reproduced more effectively and applied to the intended use as a fashionable dye. It is because it can do.
That is, Japanese hair does not simply contain only black pigments, but also contains, for example, yellow and red pigments.
Therefore, by further including a pigment such as yellow or red in addition to the charcoal particles, it is possible to more effectively reproduce the color luster that the hair originally has.
Further, by further including a colorant other than the charcoal particles, it is possible to obtain a color other than black hair, and it can be applied to a purpose of use as a so-called fashion dyeing.

The colorant other than the charcoal particles is not particularly limited. For example, as legal dyes (tar dyes), red No. 2, blue No. 203, yellow No. 402, brown No. 201, green No. 401, Purple 401, black 401, etc. are mentioned.
Examples of the pigment include yellow titanium oxide, red iron oxide, black iron oxide, ultramarine blue, bitumen, chromium oxide, carbon black, calamine, amber, humic acid, and ink.
Examples of natural pigments include carotene, quercetin, lacqueric acid, chlorophyllin, betanin, cacao pigment, curcumin, carminic acid, globulin, and squid ink.
Furthermore, examples of the colorant described in the official documents such as pharmaceuticals include berberine hydrochloride, riboflavin, copper chlorophyllin Na, hematin, hematin, and azulene.
In addition, you may use alum, aluminum sulfate, and iron sulfate together as a coloring adjuvant.

(2) Number average particle diameter Moreover, it is preferable to make the number average particle diameter of a carbon particle into the value within the range of 2-200 micrometers.
The reason for this is that by setting the average particle diameter of the charcoal particles within such a range, the natural color luster inherent in the hair can be reproduced while improving the volume-up feeling.
That is, when the number average particle diameter of the charcoal particles is less than 2 μm, it may be difficult to improve the volume-up feeling due to the volume of the charcoal particles themselves. On the other hand, when the number average particle diameter of the carbon particles exceeds 200 μm, it is difficult to uniformly adhere to each hair, and it is difficult to reproduce natural luster. This is because it may become difficult to be fixed sufficiently by the adhesive, and may be easily detached from the hair.
Therefore, the number average particle diameter of the carbon particles is more preferably set to a value within the range of 5 to 150 μm, and further preferably set to a value within the range of 10 to 100 μm.
On the other hand, when using as a hair thickening coloring hair dye for aerosol, the number average particle diameter of the carbon particles is set to effectively prevent clogging at the spray nozzle part or to prevent caking in the container. A value within the range of 2 to 100 μm is preferable, a value within the range of 3 to 80 μm is more preferable, a value within the range of 4 to 30 μm is further preferable, and a value within the range of 5 to 12 μm is preferable. Furthermore, it is more preferable to set it as the value of.
In addition, about the measuring method of number average particle diameters, such as these carbon particles, it describes in an Example.

It is also preferable to use a plurality of carbon particles having different number average particle diameters.
The reason for this is that by using a plurality of charcoal particles having different number average particle diameters, it is possible to adjust the hair dyeing condition and more effectively reproduce the natural color luster inherent in the hair.
For example, the first charcoal particles having a number average particle diameter of less than 2 to 5 μm and the second charcoal particles having a number average particle diameter of 5 to 12 μm are expressed by a weight ratio of the first charcoal particles to the second charcoal particles. Therefore, it is preferable to use together in the range of 100 parts by weight: 10 to 300 parts by weight, and more preferable to use in combination in the range of 100 parts by weight: 100 to 200 parts by weight.
In particular, when using as a hair thickening coloring hair dye for aerosol, by using a plurality of charcoal particles having different number average particle diameters, aggregation between the plurality of charcoal particles can be prevented, and the eyes at the injection nozzle portion can be prevented. Clogging can be effectively prevented and caking in the container can be prevented.
In addition, when using a pigment or the like together with the carbon particles, the number average particle diameter of these pigments and the like is not particularly limited, but is preferably set to a value in the range of 0.01 to 10 μm, A value in the range of 0.05 to 2 μm is more preferable.

(3) Addition amount The addition amount of the carbon particles is preferably set to a value within the range of 10 to 150 parts by weight with respect to 100 parts by weight of the adhesive.
This is because the carbon particles can be more uniformly attached to each hair by setting the amount of the carbon particles added in such a range.
That is, if the amount of carbon particles added is less than 10 parts by weight, it may be difficult to sufficiently improve the volume increase feeling. On the other hand, when the addition amount of the charcoal particles exceeds 150 parts by weight, the charcoal particles may overlap each other unevenly, making it difficult to adhere the charcoal particles uniformly to each hair. Because there is.
Therefore, it is more preferable to set the addition amount of the carbon particles to a value in the range of 30 to 130 parts by weight, and further to a value in the range of 50 to 100 parts by weight with respect to 100 parts by weight of the adhesive. preferable.
When a colorant other than charcoal particles is used in combination, the amount of these colorants added is not particularly limited. For example, when reproducing general Japanese hair, charcoal particles 100 are used. It is preferable to set it as the value within the range of 0.5-30 weight part with respect to a weight part, and it is more preferable to set it as the value within the range of 1-20 weight part.

2. Adhesive The adhesive in the present invention is a material for attaching and fixing charcoal particles or the like as a colorant to each hair.
As such an adhesive, it is preferable that it has a predetermined adhesive strength and has a colorless and transparent feeling to the extent that it does not interfere with the hue of the colorant.
In addition, it is preferable that it does not dissolve easily in moisture such as sweat, but has a hydrophilic property that can be washed off during washing.
Preferred adhesives include, for example, furan, natural gum, ester gum, modified starch, milk casein, polyvinylpyrrolidone, carboxyvinyl polymer, acrylic resin alkanolamine solution, methoxyethylene maleic anhydride copolymer, polydimethylmethylenepiperidinium chloride, Examples thereof include polymethacrylic acid esters, vinyl acetate / crotonic acid copolymers, and carboxy-modified vinyl acetate copolymers.

Moreover, as an especially preferable adhesive agent, an alkyl (meth) acrylate copolymer can be mentioned.
The reason for this is that if the alkyl (meth) acrylate copolymer is used, the charcoal particles can be firmly attached to each individual hair while suppressing the stiffness caused by the adhesion between the hairs. is there.
That is, if it is an adhesive made of an alkyl (meth) acrylate copolymer, it has moderate tackiness and is excellent in light resistance, weather resistance and oil resistance. Even when a commercially available hair spray is used in combination, the charcoal particles can be firmly attached to each hair.

Among the above-mentioned alkyl (meth) acrylate copolymers, in particular, a copolymer containing an alkyl (meth) acrylate monomer and a diacetone acrylamide monomer, and the carboxyl group in the copolymer On the other hand, it is preferable to use an alkyl (meth) acrylate copolymer obtained by ester-linking amino alcohol, a so-called acrylic resin alkanolamine liquid.
The reason for this is that the so-called acrylic resin alkanolamine solution is more suitable for adhesiveness and the like, so that charcoal particles can be firmly attached to each hair, while hair washing This is because the hair thickening coloring hair dye can be easily removed.

3. Solvent (1) Type Examples of the solvent used in the present invention include ethyl alcohol, water, isopentane, acetone, N-methylpyrrolidone, butylene glycol, phenoxyethanol, ethyl carbonate, and isopropanol.
Of these, ethyl alcohol is preferable.
This is because if it is ethyl alcohol, a coloring agent and an adhesive agent can be disperse | distributed more uniformly.
That is, if it is ethyl alcohol, since molecular weight and polarity are suitable, it is because a coloring agent and an adhesive agent can each be disperse | distributed effectively.
Further, ethyl alcohol has an appropriate boiling point (at atmospheric pressure, 78.4 ° C.), and when used as a hair coloring coloring agent for aerosols, it has high safety and high volatility. This is because it is possible to prevent the occurrence of stickiness in the hair by evaporating almost simultaneously.

(2) Addition amount The addition amount of the solvent is preferably set to a value in the range of 30 to 1,000 parts by weight with respect to 100 parts by weight of the adhesive.
The reason for this is that the concentration of the colorant and the adhering agent becomes suitable by setting the amount of the solvent to be in such a range, so that the charcoal particles adhere more uniformly to each hair. It is because it can be made.
That is, when the amount of the solvent added is less than 30 parts by weight, the stickiness of the hair thickening coloring hair dye becomes excessively large, and it is difficult to uniformly adhere the carbon particles to each hair. This is because the hairs tend to adhere to each other, which may cause staggering. On the other hand, when the amount of the solvent added exceeds 1,000 parts by weight, it may be difficult to efficiently apply a predetermined amount of the carbon particles and the adhesive to the hair.
Therefore, the amount of the solvent added is more preferably set to a value within the range of 50 to 800 parts by weight, and further preferably set to a value within the range of 100 to 600 parts by weight with respect to 100 parts by weight of the adhesive. .

4). Thixotropy imparting agent (1) type The type of thixotropic property imparting agent is not particularly limited, and examples thereof include silica fine particles, bentonite, organically treated bentonite, calcium carbonate, hydrogenated castor oil wax, calcium stearate. , Aluminum oleate, polymerized linseed oil, alginic acid, sodium alginate and the like.
In particular, silica fine particles or sodium alginate is a preferable thixotropy imparting agent because it can impart thixotropy even with a relatively small amount of addition.
That is, the influence of the color of silica fine particles or the like is reduced, and the hair itself can be effectively colored by the color of the charcoal particles to improve the volume up feeling.
More specifically, as silica fine particles, synthetic silica (wet method precipitated silica, gel silica, colloidal silica, ultrafine anhydrous silica, etc.) and natural silica (crystalline silica, crushed fused silica, spherical fused silica, etc.) ).
Of these silica fine particles, synthetic silica is more preferable, and wet method precipitated silica and ultrafine anhydrous silica are more preferable.

(2) Addition amount The addition amount of the thixotropy imparting agent is preferably set to a value within the range of 0.1 to 20 parts by weight with respect to 100 parts by weight of the adhesive.
The reason for this is that the dispersibility of the colorant is improved by making the addition amount of the thixotropy imparting agent in such a range, and the charcoal particles can be more uniformly attached to each hair. It is.
Further, by setting the addition amount of the thixotropy imparting agent in such a range, when a predetermined shearing force is applied, it exhibits a predetermined fluidity, so that it can be sprayed uniformly and easily.
That is, when the addition amount of the thixotropy imparting agent is less than 0.1 parts by weight, the sedimentation rate of the charcoal particles is increased, and it becomes difficult to spray uniformly and easily. In addition, it is difficult to uniformly adhere the charcoal particles to each hair, and the hairs are also likely to adhere to each other. As a result, the hair may become stiff. On the other hand, when the added amount of the thixotropy imparting agent exceeds 20 parts by weight, it becomes difficult to exhibit a predetermined fluidity, and conversely, it becomes difficult to spray uniformly and easily. is there.
Therefore, the addition amount of the thixotropy imparting agent is more preferably set to a value within the range of 0.2 to 13 parts by weight with respect to 100 parts by weight of the adhesive, and within the range of 0.5 to 10 parts by weight. More preferably, the value is most preferably in the range of 0.8 to 5 parts by weight.

5). In the present invention, the white inorganic material (hereinafter sometimes referred to as a powder carrier) is within the range of 0.5 to 30 parts by weight per 100 parts by weight of the carbon particles within the predetermined range. It is preferable to add at a value of.
The reason for this is that when carbon particles are used as the colorant, a coloring property such as brown may not be obtained unless a relatively large amount of colorant other than the carbon particles is used.
This is because when a colorant other than such charcoal particles is added, the colorant can be effectively colored against the black color of the charcoal particles by including a predetermined amount of white inorganic material.
As a result, the desired color developability such as brown can be effectively obtained by the combination of the carbon particles as the colorant and other colorants.
That is, the white inorganic material adheres to the hair in a state in which a colorant other than the carbon particles added to obtain color development such as brown is supported.
As a result, the white inorganic material carrying such a colorant is interspersed between the carbon particles, and a desired color such as brown can be effectively obtained.
In addition, when the addition amount of a white inorganic material becomes a value less than 0.5 weight part, the effect will not be exhibited but it will become difficult to obtain colors other than charcoal particles. On the other hand, when the amount of the white inorganic material added exceeds 30 parts by weight, the white influence of the white inorganic material may be excessively increased.
Therefore, it is more preferable to set the addition amount of the white inorganic material to a value within the range of 2 to 25 parts by weight, and it is even more preferable to set the value within the range of 5 to 20 parts by weight.

(1) Type The white inorganic material is preferably at least one selected from the group consisting of coral powder, calcium carbonate, and shirasu balloon.
The reason for this is that with such a white inorganic material, a desired color developability such as brown can be obtained even better by combining with charcoal particles as a colorant even with a relatively small amount of addition. Because.
Other white inorganic materials include, for example, anhydrous silicic acid, magnesium silicate, talc, kaolin, bentonite, sericite, zinc oxide, titanium oxide, precipitated calcium carbonate, calcium sulfate, chalk powder, pumice powder, straw Examples thereof include powder, powdered crystalline cellulose, pepper powder, wool powder, cotton fiber powder, starch, expanded polystyrene resin powder, and urea resin powder.

(2) Number average particle diameter Moreover, it is preferable to make the number average particle diameter of a powder carrier into the value within the range of 0.1-150 micrometers.
This is because, when the number average particle size of the powder carrier is less than 0.1 μm, it may be difficult to effectively improve the volume increase feeling. On the other hand, when the number average particle diameter of the powder carrier exceeds 150 μm, the color of the powder carrier itself may excessively affect the color gloss of the hair.
Therefore, the number average particle diameter of the powder carrier is more preferably set to a value within the range of 1 to 100 μm, and further preferably set to a value within the range of 2 to 50 μm.

6). Other compounding components It is also preferable to add the following compounding components as appropriate.

(1) Oiling agent As an oiling agent for imparting oil to the hair coloring coloring hair dye and polishing the treated hair, and for exerting effects such as clogging prevention when used as a hair coloring coloring hair dye for aerosols, For example, camellia oil, castor oil, hydrogenated beef tallow, lanolin, squalane, beeswax, liquid paraffin, phytosterol, cetanol, stearic acid, isopropyl myristate, plutonic, octyldecanol, glyceryl trioctanoate, diglyceryl diisostearate, cetyl lactate, And triethyl citrate.

(2) Powder agent In addition, as a powder agent for imparting a dispersion effect to each compounding component in the hair coloring coloring hair dye or for imparting a smooth feeling to the treated hair, for example, cyclodextrin, serine, Amihope LL (Ajinomoto Co., Inc.) and the like.

(3) Thickener As a thickener for improving the viscosity in the hair coloring coloring hair dye, improving the dispersibility of charcoal particles, or improving the volume increase in the treated hair, for example, alginic acid Na, xanthan gum, cationized guar gum, hydroxyethyl cellulose, carboxyvinyl polymer and the like can be mentioned.

(4) Stabilizer Moreover, as a stabilizer for maintaining the viscosity etc. of the hair thickening coloring hair dye for a long time, ascorbic acid Mg phosphate, dextrin fatty acid ester, tripolyphosphate Na etc. are mentioned, for example.

(5) Surfactant In addition, as a surfactant for imparting a dispersing effect to each compounding component in the hair thickening coloring hair dye or for imparting a uniform hair dyeing feeling or the like in the treated hair, for example, Examples of natural surfactants include lecithin, mukuroji extract, collagen type surfactant, and cationized cellulose.
Further, as the cationic surfactant, alkyl sulfate Na, dodecylbenzenesulfonate triethanolamine, polyoxyethylene (hereinafter abbreviated as POE) lauryl sulfate Na, POE coconut oil fatty acid amine sulfate, POE sulfosuccinate Na, N-coconut Examples include oil fatty acid-L-glutamate, N-acylmethyl taurate, and the like.
Examples of nonionic surfactants include POE nonyl phenyl ether, POE hydrogenated castor oil, POE lanolin alcohol, glyceryl monooleate, sorbitan monostearate, decaglyceryl pentaisostearate and the like.
Examples of the anionic surfactant include cetyltrimethyl chloride, laurylpyridinium chloride, and POE stearyltrimethylammonium chloride.
Examples of the vinylic surfactant include Naurylaminodipropionic acid Na, lauryldimethylaminoacetic acid betaine, coconut oil alkyl-N-carboxyethyl-N-hydroxyethylimidazolinium betaine Na, and the like.
Further, examples of the polar surfactant include POE lauryl ether carboxylic acid, oleyldimethylamine oxide, and the like.

(6) Lubricant In addition, imparting a dispersing effect to each blended component in the hair thickening coloring hair dye, imparting a uniform hair feeling, etc. to the treated hair, and further used as a hair thickening coloring hair dye for aerosols Examples of the lubricant for exhibiting the effect of preventing clogging in the case of polyglycerin, silicone, modified silicone, rosin, and the like.
Among them, dimethyl silicone, which is a kind of silicone, effectively prevents the coal particles from agglomerating and is stable over a long period of time even when the hair thickening coloring hair dye of the present invention is configured as a hair thickening coloring hair dye for aerosol. Can be sprayed.
In addition, it is preferable to make the addition amount of this lubricant into the value within the range of 0.1-30 weight part with respect to 100 weight part of adhesive agents, and to be the value within the range of 1-20 weight part. Is more preferable.

(7) Moisturizing agent In addition, as the moisturizing agent for imparting a so-called moist feeling to the treated hair, for example, glycerin, sodium pyrrolidonecarboxylate, chitoic acid, polyethylene glycol, aloe extract, carrot extract, assembly extract, etc. Can be mentioned.

(8) Hair quality improver Examples of the hair quality improver for the treated hair include hydrolyzed collagen, polypeptides, cystine salts, lanolin fatty acid, lecithin, mink oil, mulberry extract, seaweed extract, thioglycolic acid and the like. Can be mentioned.

(9) Ultraviolet absorber In addition, examples of the ultraviolet absorber for the treated hair include sinoxate, oxybenzone, ethyl hexyl ester of paramethoxycinnamate, methyl paraaminobenzoate, and the like.

(10) Acid-alkali agent Examples of the acid-alkali agent in the hair coloring coloring hair dye include, for example, hydrochloric acid, phosphoric acid, lactic acid, phytic acid, sodium hydroxide, aqueous ammonia, guanidine carbonate, aminomethylpropanol, triethanolamine, morpholine. Etc.

(11) pH adjuster Moreover, it does not specifically limit as a pH adjuster in a hair thickening coloring hair dye, For example, sodium carbonate, sodium succinate, sodium phosphate etc. are mentioned.

(12) Ion sequestering agent Examples of the ion sequestering agent in the hair thickening coloring dye include edetate and hydroxyethanephosphonic acid.

(13) Fragrance Examples of the fragrance include linoleal, jasmine oil, rose water, natural fragrance, blended fragrance, wood complex, tea extract and the like.

[Second Embodiment]
The second embodiment is an aerosol thickening coloring hair dye containing, in a container, charcoal particles as a colorant, an adhesive, a solvent, a thixotropic agent, and a propellant,
The colorant is charcoal particles having a number average particle diameter in the range of 2 to 200 μm,
For 100 parts by weight of the adhesive,
The addition amount of the carbon particles is a value within the range of 10 to 150 parts by weight,
The addition amount of the solvent is a value within the range of 30 to 1,000 parts by weight,
And the addition amount of a thixotropy imparting agent shall be the value within the range of 0.1-20 weight part, It is a hair thickening coloring hair dye for aerosols characterized by the above-mentioned.
That is, since the hair thickening coloring hair dye is sprayed in the form of a mist due to the aerosol type, the carbon particles can be more uniformly adhered to each hair.
Hereinafter, in the description of the second embodiment, the contents already described in the first embodiment will be omitted, and description will be made focusing on differences from the first embodiment.

  First, the container used as an aerosol is not particularly limited, and a conventionally known aerosol pressure can can be used. After filling the container with contents such as a colorant, a valve, a button or a cap What attached | subjected etc. is common and preferable.

Further, if the hair thickening coloring hair dye for aerosol of the present invention contains a predetermined amount of thixotropy imparting agent, it is possible not only to effectively suppress jetting failure, but also to completely use the hair thickening coloring hair dye. Can do.
That is, when a predetermined amount of the thixotropy imparting agent is not included, the charcoal particles settle and caking is likely to occur.
In this case, even if the aerosol can is shaken and stirred, it is difficult to sufficiently disintegrate the caking generated in the spray nozzle.
Therefore, as shown in FIG. 8, the spray nozzle needs to be lifted from the bottom surface of the aerosol can, but as a result, the hair coloring coloring hair dye cannot be used up completely.
Furthermore, even if configured as shown in FIG. 8, the caking of charcoal particles cannot be fundamentally solved. For example, when charcoal particles caked up during use enter the spray nozzle, poor injection is caused. Is likely to occur.
On the other hand, in the hair thickening coloring hair dye of the present invention, as described above, a predetermined amount of the thixotropy imparting agent is included, so that caking due to sedimentation of charcoal particles can be fundamentally eliminated.
Therefore, as shown in FIG. 5, a spray nozzle can be extended to the bottom face of an aerosol can, and a hair thickening coloring hair dye can be used up completely.

In addition, the propellant used in the present invention is not particularly limited, but dimethyl ether and liquefied petroleum gas, or either one is preferable.
The reason for this is that by using these components as a propellant, the inside of the container can be pressurized without changing the components of the hair coloring coloring hair dye, and also the harm to the environment can be suppressed. is there.

Moreover, it is preferable to make the addition amount of a propellant into the value within the range of 30-85 vol% with respect to the capacity | capacitance of 100 vol% of a container.
The reason for this is that by setting the added amount of the propellant in such a range, the hair thickening coloring hair dye can be sprayed more uniformly.
That is, when the amount of the propellant added is less than 30 vol%, the spraying power is excessively insufficient, and it may be difficult to spray the hair coloring coloring hair dye uniformly. On the other hand, when the added amount of the propellant exceeds 85 vol%, the spray force becomes excessively large, and it becomes difficult to uniformly attach the hair coloring coloring hair dye, or the hair tends to be disturbed during use. It is because there is a case where it is.
Therefore, the amount of the propellant added is more preferably set to a value within the range of 40 to 80 vol%, and more preferably within the range of 50 to 70 vol%, with respect to the volume of the container of 100 vol%.

[Example 1]
1. Manufacture of hair thickening coloring hair dye (1) Manufacture of charcoal particles (1) -1 granulation As shown in FIG. 6, unground pulverized charcoal 34 (tree species: pine) is composed of a pulverizer 31, a blower 32 and a dust collector 33. The charcoal particle production apparatus 30 was used to obtain charcoal particles having a predetermined particle size.
More specifically, one or two unpulverized charcoal 34 having a length of about 80 cm was introduced into the pulverizer 31 and pulverized until it became particulate. Such pulverization was performed by moving the blower 32 and the dust collector 33 simultaneously with the pulverizer 31.
In addition, in order to prevent the backflow of the charcoal particles, the air bag was replaced with a new air bag in an accumulated state of about 60% of the air bag (not shown) accommodated in the dust collector 33.

(1) -2 Measurement of number average particle diameter The number average particle diameter of carbon particles was measured by combining an electron micrograph and an image processing apparatus.
More specifically, after obtaining a photograph of charcoal particles with a scanning electron microscope at a magnification of 30,000 times, taking a picture using a CCD, the image data was taken into a personal computer. Then, using general-purpose image processing software such as WIN ROOF manufactured by Mitani Corporation, the number average particle size (major axis) of 100 or more arbitrary charcoal particles projected in the image is obtained, and the number of charcoal particles The average particle size was taken. The obtained results are shown in Table 1.

(2) Mixing The obtained charcoal particles and other components were mixed so as to have the following composition to obtain a stock solution for thickening coloring hair dye. In addition, the addition ratio (weight part) of each component is a value when an adhesive agent is 100 weight part.
(Coloring agent)
・ 100 parts by weight of charcoal particles (adhesive)
・ Acrylic resin alkanolamine solution 100 parts by weight
(Plus size L-53, manufactured by Reciprocal Chemical Co., Ltd.)
(lubricant)
・ 20 parts by weight of polydimethyl silicone (thixotropic agent)
・ Silica fine particles (Nippon Aerosil, # 200) 5 parts by weight (solvent)
・ 260% by weight of 99% ethyl alcohol

(3) Filling Next, an aerosol pressure-resistant can having a volume of 380 ml was filled with the obtained stock solution of thickening coloring hair dye and dimethyl ether as a propellant. In addition, the addition amount of the propellant at this time was 70 vol% with respect to the volume of the aerosol pressure can of 100 vol%, and the pressure in the aerosol pressure can was 0.43 MPa.

2. Evaluation (1) Evaluation of volume-up feeling The volume-up feeling was evaluated using the obtained hair coloring coloring agent for aerosol.
That is, the obtained hair coloring coloring agent for aerosol was sprayed evenly over the hair of 100 subjects for 20 seconds.
Next, the volume up feeling was evaluated according to the following criteria.
A: 90-100 out of 100 people realized a sufficient improvement in volume.
A: 70 to 89 out of 100 people realized a sufficient improvement in volume.
(Triangle | delta): 40-69 out of 100 people realized the improvement of a sufficient volume-up feeling.
X: 0 to 39 out of 100 people realized a sufficient improvement in volume.

(2) Evaluation of hair dye density Moreover, the hair dye density | concentration was evaluated using the obtained hair thickening coloring hair dye for aerosols.
That is, the obtained hair coloring coloring agent for aerosol was sprayed evenly over the hair of 100 subjects for 20 seconds.
Subsequently, the hair dye density was evaluated according to the following criteria.
(Double-circle): 90-100 people judged that it was sufficient hair dye density | concentration in 100 people.
A: 70 to 89 out of 100 people judged that the hair density was sufficient.
(Triangle | delta): 40-69 people judged that it was sufficient hair dye density | concentration among 100 people.
X: 0 to 39 out of 100 people judged that it was a sufficient hair dye density.

(3) Evaluation of water resistance Moreover, water resistance was evaluated using the obtained hair thickening coloring hair dye for aerosol.
That is, the hair coloring coloring agent for aerosol obtained was sprayed evenly over the hair of 10 subjects for 20 seconds.
Next, after spraying the hair thickening coloring hair dye for aerosol, 50 ml of water was sprayed evenly on the subject's hair after natural drying for 1 minute using a spray bottle.
Subsequently, it was observed whether the water from which the colorant was eluted flows out to the subject's forehead or neck, and was evaluated according to the following criteria.
A: No outflow of water from which the colorant eluted was observed in 10 persons.
A: Outflow of water in which the colorant was slightly eluted in 10 persons was confirmed.
(Triangle | delta): The outflow of the water which the colorant eluted was confirmed to such an extent that it could confirm easily if it was a short distance in 10 persons.
X: The outflow of water from which the colorant was clearly eluted was confirmed in 10 persons.

(4) Sedimentation evaluation of charcoal particles Only in Example 1, the stock solution of thickening coloring hair dye was allowed to stand in a state accommodated in a graduated cylinder, and the sedimentation amount of the charcoal particles was measured to evaluate the sedimentation property of the charcoal particles. did.
The result of Example 1 is shown by the characteristic curve A in FIG. Moreover, the characteristic curve B in FIG. 7 shows the result of evaluating the sedimentation properties of charcoal particles when no silica fine particles are added.
As can be understood from the comparison of these characteristic curves, with the hair thickening coloring hair dye added with a predetermined amount of silica fine particles, almost no charcoal particles have settled even after 50 hours. The same was true when 200 hours passed.
On the other hand, in the hair thickening coloring dye without adding silica fine particles, about half of the charcoal particles settled in 24 hours, and about 75% of the charcoal particles settled in 50 hours.
Therefore, when a hair thickening coloring hair dye to which a predetermined amount of silica fine particles is added is used in a spray can, good spray characteristics (evaluation of volume up feeling and hair dye concentration even when 50 hours have passed without caking) Evaluation) was obtained, and the result was the same even when 200 hours passed from 100 hours.
On the other hand, in the hair thickening coloring hair dye to which no silica fine particles are added, remarkable caking occurs after 50 hours, and good spray characteristics (evaluation of volume up feeling and hair dye concentration) It was confirmed that it could not be obtained.

[Example 2]
In Example 2, as shown in Table 1, except that the number average particle diameter of the charcoal particles was changed to 50 μm, the hair thickening coloring hair dye for aerosol was produced in the same manner as in Example 1, and the volume up feeling and the like were evaluated. did. The obtained results are shown in Table 2.

[Example 3]
In Example 3, as shown in Table 1, an aerosol hair thickening coloring hair dye was produced and evaluated in the same manner as in Example 1 except that the number average particle diameter of the carbon particles was changed to 150 μm. The obtained results are shown in Table 2.

[Example 4]
In Example 4, as shown in Table 1, an aerosol hair thickening coloring hair dye was produced and evaluated in the same manner as in Example 1 except that the number average particle diameter of the carbon particles was changed to 1 μm. The obtained results are shown in Table 2.

[Example 5]
In Example 5, as shown in Table 1, an aerosol thickening coloring hair dye was produced and evaluated in the same manner as in Example 1 except that the number average particle diameter of the carbon particles was changed to 300 μm. The obtained results are shown in Table 2.

[Example 6]
In Example 6, as shown in Table 1, as a coloring agent other than charcoal particles, the same as in Example 1, except that 2.5 parts by weight of red 202 and 1 part by weight of yellow 401 were used. The hair coloring coloring hair dye was manufactured and evaluated. The obtained results are shown in Table 2.

[Example 7]
In Example 7, as shown in Table 1, as a coloring agent other than charcoal particles, red hair No. 202, 20 parts by weight and yellow No. 401, 10 parts by weight were used, and hair thickening coloring for aerosols was the same as in Example 1. A hair dye was produced and evaluated. The obtained results are shown in Table 2.

[Example 8]
In Example 8, as shown in Table 1, except that the adhesive was changed to a vinyl pyrrolidone / vinyl acetate copolymer, a hair thickening coloring hair dye for aerosol was produced and evaluated in the same manner as in Example 1. The obtained results are shown in Table 2.

[Example 9]
In Example 9, as shown in Table 1, a hair coloring coloring agent for aerosol was produced and evaluated in the same manner as in Example 1 except that dimethyl silicone as a lubricant was not used. The obtained results are shown in Table 2.

[Example 10]
In Example 10, as shown in Table 1, activated carbon having a number average particle size of 5 μm (tree species:
Except for the change to pine), an aerosol thickening coloring hair dye was produced and evaluated in the same manner as in Example 1. The obtained results are shown in Table 2.

[Example 11]
In Example 11, as shown in Table 1, except that the charcoal particles and bamboo charcoal having a number average particle diameter of 5 μm were changed, hair thickening coloring dyes for aerosol were produced and evaluated in the same manner as in Example 1. The obtained results are shown in Table 2.

[Comparative Example 1]
In Comparative Example 1, as shown in Table 1, carbon particles were not used as a colorant, but instead 30 parts by weight of carbon black and 100 parts by weight of talc having a number average particle diameter of 5 μm as a powder carrier were used. Other than that, the hair thickening coloring hair dye for aerosol was produced and evaluated in the same manner as in Example 1. The obtained results are shown in Table 2.

[Comparative Example 2]
In Comparative Example 2, as shown in Table 1, an aerosol thickening coloring hair dye was produced in the same manner as in Example 1 except that carbon particles were not used as the colorant and 100 parts by weight of carbon black was used instead. ,evaluated. The obtained results are shown in Table 2.

[Examples 12 to 15]
In Examples 12 to 15, the amount of silica fine particles as a thixotropic property-imparting agent was changed to 1 part by weight, 3 parts by weight, 8 parts by weight, and 10 parts by weight. The hair coloring coloring hair dye was manufactured and evaluated. The obtained results are shown in Table 3.

[Examples 16 to 19]
In Examples 16 to 19, except that the silica fine particles as the thixotropic agent were changed to sodium alginate and the addition amount was changed to 1 part by weight, 5 parts by weight, 8 parts by weight, and 10 parts by weight, In the same manner as in Example 1, hair thickening coloring hair dye for aerosol was produced and evaluated. Table 4 shows the obtained results.

[Examples 20 to 23]
In Examples 20 to 21, an aerosol thickening coloring hair dye was produced and evaluated in the same manner as in Example 6 except that 10 parts by weight and 20 parts by weight of coral powder as a white inorganic material were added. The results obtained are shown in Table 5.
Moreover, in Examples 22-23, while adding the coral powder as a white inorganic material 10 weight part and 20 weight part, respectively, while producing the hair thickening coloring hair dye for aerosol similarly to Example 7, evaluation did. The results obtained are shown in Table 5.

If it is a hair thickening coloring hair dye according to the present invention and a hair thickening coloring hair dye for aerosol using the same, in the hair thickening coloring hair dye, by using carbon particles as a coloring agent, it exhibits excellent water resistance and color development. The hair can be stably and long-term dyed at a predetermined hair coloring concentration.
In addition, the charcoal particles themselves as the colorant can effectively improve the volume increase of the hair, and further, when the charcoal particles are in contact with moisture such as sweat due to excellent water absorption etc. Even if it exists, it came to be able to suppress effectively elution and an outflow.
Furthermore, the generation of caking due to the sedimentation of charcoal particles can be effectively suppressed by including a predetermined amount of the thixotropic agent.
Therefore, according to the hair thickening coloring hair dye of the present invention and the hair thickening coloring hair dye for aerosol using the same, not only the use environment and the like can stably maintain the state and color of the hair, but also charcoal. The caking of particles can be effectively suppressed, and the thickening coloring hair dye can be used up to the end.
In addition, the hair thickening coloring hair dye according to the present invention is not only for hair thickening coloring hair dyes for aerosols, but also has excellent water resistance and color development properties by appropriately changing the type and blending amount of the adhesive. It is also suitable as a cream or cream for correcting eyelashes.

(A)-(b) is a figure provided in order to demonstrate the difference of a hair dye density, etc. FIG. FIG. 2 is a diagram provided to explain the relationship between the amount of colorant added and the feeling of volume increase. FIG. 3 is a diagram provided to explain the relationship between the amount of the colorant added and the hair dye concentration. FIG. 4 is a diagram for explaining the relationship between the addition amount of the colorant and the water resistance. FIG. 5 is a diagram for explaining a countermeasure against caking of charcoal particles at the lower end of the spray nozzle. Drawing 6 is a figure offered in order to explain a charcoal particle manufacturing device. FIG. 7 is a diagram provided for explaining the sedimentation evaluation of charcoal particles in Example 1 and Comparative Example 1. FIG. FIG. 8 is a diagram for explaining a conventional spray can.

Explanation of symbols

10: Hair (after treatment), 11: Hair, 12: Charcoal particles, 12a to c: Powder carrier, 13: Adhesive, 20: Aerosol hair thickening coloring hair dye, 21: Cap, 22: Injection port, 23: Container, 24: spray nozzle, 25: stirring ball, 26: lower end, 27: bottom surface, 30: charcoal particle production apparatus. 31: Crusher, 32: Blower, 33: Dust collector, 34: Unground charcoal

Claims (11)

A hair thickening coloring hair dye containing charcoal particles as a colorant, an adhesive, a solvent, and a thixotropic agent,
The colorant is charcoal particles whose number average particle diameter is a value in the range of 2 to 200 μm,
For 100 parts by weight of the adhesive,
The addition amount of the carbon particles is a value within the range of 10 to 150 parts by weight,
The addition amount of the solvent is a value within the range of 30 to 1,000 parts by weight,
And the hair coloring coloring hair dye characterized by making the addition amount of the said thixotropy imparting agent into the value within the range of 0.1-20 weight part.   Charcoal is used as the charcoal particles, The hair thickening coloring hair dye according to claim 1.   The hair coloring dyestuff according to claim 1 or 2, wherein the thixotropic agent is silica fine particles or sodium alginate.   The colorant other than the charcoal particles is included, and the addition amount of the colorant other than the charcoal particles is set to a value within a range of 0.5 to 30 parts by weight per 100 parts by weight of the charcoal particles. The hair thickening coloring dyestuff according to any one of claims 1 to 3.   The white inorganic material is included, and the amount of the white inorganic material added is set to a value within a range of 0.5 to 30 parts by weight per 100 parts by weight of the carbon particles. The hair thickening coloring hair dye according to claim 1.   The hair coloring coloring hair dye according to claim 5, wherein the white inorganic material is at least one selected from the group consisting of coral powder, calcium carbonate, and shirasu balloon.   The lubricant is added, and the amount of the lubricant added is set to a value within a range of 0.1 to 30 parts by weight with respect to 100 parts by weight of the adhesive. The hair thickening coloring hair dye according to claim 1.   The adhesive is a copolymer containing an alkyl (meth) acrylate monomer and a diacetone acrylamide monomer, and an alkyl obtained by esterifying an amino alcohol to a carboxyl group in the copolymer It is a (meth) acrylate copolymer, The hair coloring coloring hair dye as described in any one of Claims 1-7 characterized by the above-mentioned.   The hair thickening coloring hair dye according to any one of claims 1 to 8, wherein the solvent is ethyl alcohol. In the container, there is a hair coloring coloring agent for aerosol containing carbon particles as a colorant, an adhesive, a solvent, a thixotropic agent, and a propellant,
The colorant is charcoal particles whose number average particle diameter is a value in the range of 2 to 200 μm,
For 100 parts by weight of the adhesive,
The addition amount of the carbon particles is a value within the range of 10 to 150 parts by weight,
The addition amount of the solvent is a value within the range of 30 to 1,000 parts by weight,
And the addition amount of the said thixotropy imparting agent shall be the value within the range of 0.1-20 weight part, The hair thickening coloring hair dye for aerosol characterized by the above-mentioned.   The hair growth coloring hair dye for aerosol according to claim 10, wherein the propellant is dimethyl ether and / or liquefied petroleum gas.

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