KR102634317B1 - Hair dye composition - Google Patents

Abstract

The present invention relates to a hair dye composition that can improve color development and sustainability by stably forming liquid crystal emulsion particles, and has excellent hair dyeing effect due to good adhesion to hair. Specifically, according to an embodiment of the present invention, the hair dye composition includes a first agent containing three or more types of emulsifiers and oil and a second agent containing an oxidizing agent, wherein the oxidizing agent and emulsifying agent are 1:0.05 to 6. It can be included in weight ratio.

Description

Hair dye composition

The present invention relates to a hair dye composition having a liquid crystal emulsion structure, and specifically, to a hair dye composition that has excellent dyeing effect due to the stable formation of liquid crystal emulsion particles and high adhesion to hair.

The shape and beautiful color of hair have become an important means of expressing human personality. In particular, as hair dyeing has become a part of style in a modern society that values individuality, the hair dye market is continuously expanding.

In general, oxidation-type hair dyes are most commonly used, which penetrate low-molecular-weight oxidation dyes into the hair and simultaneously cause oxidation polymerization through the action of oxidizing agents. This general type of hair dye has the problem that if the coloring power is high, it can cause hives, rashes, scalp disease, hair loss, etc. on the skin, and if the skin irritation level is lowered, the dyeing effect is reduced.

Accordingly, the present inventors conducted research on a formulation that can increase dyeing efficiency by increasing adhesion to hair. As a result, liquid crystal emulsification particles are formed through an appropriate combination of oxidizing agent, emulsifier, and oil, and the dyeing efficiency is stabilized. A hair dye composition with increased hair dye composition was developed and the present invention was completed.

KR 10-2011-0035890 A

The purpose of the present invention is to provide a hair dye composition that has excellent color development and durability due to the stable formation of liquid crystal emulsion particles, and has excellent hair dyeing effect due to good adhesion to hair.

The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

According to an embodiment of the present invention, a hair dye composition comprising a first agent containing three or more types of emulsifiers and oil and a second agent containing an oxidizing agent, wherein the oxidizing agent and emulsifying agent are included in a weight ratio of 1:0.05 to 6. A hair dye composition is provided.

In addition, the three or more types of emulsifiers may be selected from the group consisting of fatty alcohols, ceteth series, steareth series, stearate series, and palmitate series emulsifiers.

Additionally, the oil includes an ester-based oil, and the ester-based oil may include at least one of triethylhexanoin, cetyl ethylhexanoate, and isopropyl myristate.

The hair dye composition according to the present invention has a liquid crystal structure, so that the active ingredients of the hair dye can stably penetrate into the hair through liquid crystal emulsification particles, thereby improving color development and durability. In particular, the liquid crystal emulsion particles of the present invention have a multi-layer structure and have high adhesion to hair, resulting in an excellent hair dyeing effect.

The hair dye composition according to the present invention can be expected to have high dyeing efficiency as the oxidizing agent is stabilized by the liquid crystal emulsification particles.

In order to more fully understand the drawings cited in the detailed description of the present invention, a brief description of each drawing is provided.
Figure 1 shows photographic images of the compositions of Examples 1 to 3 and Comparative Examples 1 and 2 at low temperature (5°C), room temperature (25°C), and high temperature (50°C).
Figure 2 shows photographic images of the compositions of Examples 4 and 5 and Comparative Examples 3 to 9 at low temperature (5°C), room temperature (25°C), and high temperature (50°C).
Figure 3 shows photographs of liquid crystal emulsion particles and dyed hair of Examples 6 to 8.
Figure 4 shows photographs of liquid crystal emulsion particles and dyed hair of Comparative Examples 10 and 11.
Figure 5 shows photographs of liquid crystal emulsion particles and dyed hair of Comparative Examples 12 and 13.

Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by a person skilled in the art to which the present invention pertains. In general, the nomenclature used herein is well known and commonly used in the art. Additionally, when describing embodiments of the present invention, if detailed descriptions of related known configurations or functions are judged to impede understanding of the embodiments of the present invention, the detailed descriptions will be omitted. In addition, embodiments of the present invention will be described below, but the technical idea of the present invention is not limited or limited thereto and may be modified and implemented in various ways by those skilled in the art.

In this specification, when a part includes a certain element, this does not mean excluding other elements, but may further include other elements, unless specifically stated to the contrary. In this specification, the term and/or includes a combination of a plurality of related items or any one item among a plurality of related items.

Liquid crystal is an intermediate state between a solid and a liquid. It is a state in which organic molecules, which usually have both hydrophilic and lipophilic parts, are arranged in a uniform manner, with the hydrophilic part being aligned with the hydrophilic part and the lipophilic part being arranged with the lipophilic part. It refers to a system in which a lamellar structure consisting of multiple layers is created. Emulsion means evenly mixing the hydrophilic and lipophilic parts, and liquid crystal emulsified particles mean that the emulsified particles exist in the form of droplets. These liquid crystal emulsified particles have a multi-layered hydrophilic layer and a lipophilic layer, and are capable of encapsulating and stabilizing active ingredients therein.

The present inventor optimally adjusted the type of oil, the content of the emulsifier, and the mixing ratio with the oxidizing agent to ensure that liquid crystal emulsified particles were stably formed and included in the hair dye composition. These liquid crystal emulsification particles are formed in a multi-layer structure and adhere tightly to the hair, thereby increasing dyeing efficiency.

According to an embodiment of the present invention, the hair dye composition may include a first agent containing three or more types of emulsifiers and oil, and a second agent containing an oxidizing agent.

In an example, the oxidizing agent and emulsifier may be included in a weight ratio of 1:0.05 to 6, and specifically, may be included in a weight ratio of 1:0.1 to 5. If the weight ratio is less than 1:0.05, phase separation of the composition may occur because the emulsifier cannot control hydrogen peroxide, and if the weight ratio exceeds 1:6, precipitation may occur due to an excess of emulsifier compared to hydrogen peroxide.

In an embodiment, the emulsifier may include at least three types of emulsifiers selected from fatty alcohols, ceteth series, steareth series, stearate series, and palmitate series emulsifiers. Specifically, the hair dye composition according to an embodiment of the present invention contains three or more types, specifically four types of emulsifiers, and thus can stabilize the liquid crystal emulsion particles and increase the stability of the formulation.

In an embodiment, the emulsifier is a main emulsifier comprising at least one emulsifier selected from fatty alcohols, ceteth series, and steareth series emulsifiers; And it may include an auxiliary emulsifier containing at least one emulsifier of stearate-based and palmitate-based emulsifiers.

The main emulsifier may include at least one emulsifier selected from fatty alcohols, ceteth series, and steareth series emulsifiers.

Specifically, the fatty alcohol emulsifier may include at least one of stearyl alcohol, cetyl alcohol, myristyl alcohol, behenyl alcohol, and cetearyl alcohol. The fatty alcohols are long-chain aliphatic alcohols and have a long chain length, and due to the long chain length, they can serve as a packing that firmly holds droplets, which are emulsified particles in liquid crystals.

The fatty alcohol emulsifier may be included in an amount of 1 to 10% by weight, specifically 1 to 6% by weight, based on the total weight of the hair dye composition. If the fatty alcohol emulsifier is included in less than 1% by weight based on the total weight of the hair dye composition, precipitation may occur, and if it is included in more than 10% by weight, oil separation may occur and formulation stability may be reduced. . However, it is not limited to this.

The seteth-based emulsifier may include at least one of seteth-2, seteth-15, and seteth-20. Specifically, two types of emulsifiers from the Ceteth series of emulsifiers may be included. Ceteth-based emulsifiers help to dissolve well in solvents in which they are generally insoluble, and can play a role in helping to form liquid crystal emulsification particles by reducing the surface tension of emulsification particles.

The ceteth series emulsifier may be included in an amount of 0.1 to 20% by weight, specifically 0.1 to 10% by weight, based on the total weight of the hair dye composition. If the Cethes-based emulsifier is included in an amount of less than 0.1 weight based on the total weight of the hair dye composition, separation of different types of emulsifiers may occur, and if it is included in more than 20% by weight, it may be difficult to maintain the cream formulation. However, it is not limited to this.

The steareth-based emulsifier may include at least one of steareth-2 and steareth-21. Specifically, two types of emulsifiers among the steareth-based emulsifiers may be included. The steareth-based emulsifier may be included in an amount of 0.1 to 20% by weight, specifically 0.1 to 10% by weight, based on the total weight of the hair dye composition. If the steareth-based emulsifier is included in an amount of less than 0.1% by weight based on the total weight of the hair dye composition, other types of emulsifiers may be separated, and if it is included in more than 20% by weight, it may be difficult to maintain the cream formulation. However, it is not limited to this.

The auxiliary emulsifier may include at least one of stearate-based and palmitate-based emulsifiers.

Specifically, the auxiliary emulsifier is glyceryl stearate, sorbitan stearate, sorbitan diisostearate, polyglyceryl-2 triisostearate, polyglyceryl-3 triisostearate, stearyl stearate, sorbitan. May include palmitate, cetyl palmitate, isostearyl palmitate, polyglyceryl-10 palmitate, polyglyceryl-2 palmitate, glyceryl isopalmitate, butylene glycol palmitate, and stearyl palmitate. there is.

The auxiliary emulsifier may be included in an amount of 0.1 to 5% by weight, specifically 0.1 to 3% by weight, based on the total weight of the hair dye composition. If the auxiliary emulsifier is included in an amount of less than 0.1 weight based on the total weight of the hair dye composition, oil separation may occur at high temperature, and if it is included in an amount exceeding 5 weight, stickiness may increase and the feeling of use as a hair dye composition may not be good. However, it is not limited to this.

In embodiments, the oil may include an ester-based oil. Ester oil plays a role in contributing to the formation and stability of liquid crystal emulsified particles in the composition. That is, in the present invention, oil plays an important role in stably forming liquid crystal emulsion particles, increasing adhesion to hair, and improving dyeing efficiency.

The ester oil may include at least one of triethylhexanoin, cetyl ethyl hexanoate, and isopropyl myristate. In the present invention, the ester oil is preferably triethylhexanoin and/or cetyl ethylhexanoate.

The ester-based oil may be included in an amount of 0.1 to 5% by weight, specifically 0.1 to 4% by weight, based on the total weight of the hair dye composition. When the ester-based oil is included in the above content range based on the total weight of the hair dye composition, liquid crystal emulsion particles are stably formed and the hair dyeing effect can be excellent. However, it is not limited to this.

In an embodiment, the hair dye composition may include an oxidizing agent as the second agent. The oxidizing agent breaks down the melanin in the hair, brightens the hair's base color, and promotes the oxidation reaction.

In an embodiment, the oxidizing agent is hydrogen peroxide, and may be included in an amount of 1 to 6% by weight, specifically 3 to 6% by weight, based on the total weight of the hair dye composition. For example, 17% by weight of hydrogen peroxide (35%) corresponds to 5.95% by weight of hydrogen peroxide. In this way, the hair dye composition of the present invention stabilizes the oxidizing agent due to the formation of liquid crystal emulsified particles, and can increase the efficiency of hair dyeing by including a high content of the oxidizing agent. However, it is not limited to this.

Depending on the embodiment, the hair dye composition may contain a pH adjuster, thickener, antioxidant, neutralizer, functional additive, stabilizer, vitamin, moisturizer, preservative, protein, anti-fade agent, and chelating agent within the range that does not impair the effect of the present invention. It may further include other active ingredients contained in conventional hair dye compositions, such as preservatives and other additives. The mixing amount of the above ingredients is not particularly limited, and can be easily selected by a person skilled in the art within a range that does not impair the purpose and effect of the present invention.

Below, examples and experimental examples are provided to explain the present invention in more detail, but the present invention is not limited thereto.

Experimental Example 1. Comparison experiment according to the ratio of emulsifier to oxidizer

Using the ingredients listed in Table 1 below, the compositions of Examples and Comparative Examples of the composition according to the present invention were prepared. Examples 1 to 3 and Comparative Examples 1 and 2 adjust the ratio of emulsifier to hydrogen peroxide, and the unit of the content of one component in the table below is weight%.

Specifically, the thickener was added to a solvent mixture of purified water, etidronic acid, glycerin, propanediol, and sodium stannate at a temperature of 60°C, and then dissolved by heating while stirring. Afterwards, after heating to a temperature of 80°C, oily cetearyl alcohol, Steareth-2, Steareth-21, glyceryl stearate, behentrimonium methosulfate, and ester oil (triethyl) heated to 80°C hexanoin) was homo-stirred at 6000 rpm for 5 minutes. After cooling to 35°C, a pH adjuster and hydrogen peroxide were added, stirred uniformly, and cooled to a temperature of 35°C or lower to complete Examples 1 to 3 and Comparative Examples 1 and 2.

After storing the compositions of Examples and Comparative Examples at low temperature (5°C), room temperature (25°C), and high temperature (50°C), the stability of each composition was observed, and the confirmation results are shown in Figure 1. Additionally, the viscosity of the composition was measured, and the measurement results are shown in Table 2. Viscosity was measured using Brookfield Viscosmeter LVT, spin no. Measurements were made for 1 minute at 4 and spin speeds of 6 rpm.

As shown in Figure 1 and Table 2, the compositions of Examples 1 to 3 were implemented as cream formulations with appropriate viscosity and maintained stable formulations under low, high, and room temperature conditions. On the other hand, in Comparative Example 1, precipitation occurred due to an excessive amount of emulsifier, and in Comparative Example 2, separation occurred because the emulsifier was unable to pack hydrogen peroxide and purified water due to a small amount of emulsifier. In addition, it was confirmed that the viscosity was very low, making it difficult to use. Therefore, it can be confirmed that the ratio of oxidizing agent and emulsifying agent is an important factor in formulation formation and stability of the hair dye composition of the present invention, and the effect is excellent when the weight ratio of oxidizing agent and emulsifying agent is 1:0.05 to 6.

Experimental Example 2. Comparative experiment according to emulsifiers

As shown in Table 3 below, the compositions of Examples 4 and 5 and Comparative Examples 3 to 9 were prepared by adjusting the type and content of the main emulsifier and auxiliary emulsifier. Other ingredients other than the emulsifier were the same as in Example 1, and the hydrogen peroxide content was adjusted and added so that the ratio of emulsifier to hydrogen peroxide was 1:1. The unit of ingredient content in Table 3 below is weight%.

The stability of the compositions of Examples and Comparative Examples was observed in the same manner as in Experimental Example 1, and the confirmation results are shown in Figure 2. Additionally, the viscosity of the composition was measured, and the measurement results are shown in Table 4.

As shown in Figure 2 and Table 4, the compositions of Examples 4 and 5 were implemented as cream formulations with appropriate viscosity and maintained stable formulations under low, high, and room temperature conditions.

On the other hand, the compositions of Comparative Examples 3 and 6 contained both Steareth-2 and Steareth-21 with different chain lengths, so packing of emulsified particles was formed and separation did not occur at low and room temperatures, but at high temperatures. Oil separation occurred. The compositions of Comparative Examples 4 and 7 were unable to form a cream formulation due to excessive hydrogen peroxide and were converted to a liquid formulation. In addition, in Comparative Example 5, cetearyl alcohol was separated during the experiment, and in Comparative Example 8, the viscosity was low and fine precipitation occurred. The composition of Comparative Example 9 experienced separation at high temperatures.

Therefore, it can be confirmed that the type of emulsifier is an important factor in the formulation and stability of the hair dye composition of the present invention, and the effect was found to be most excellent when all four types of emulsifiers were included.

Experimental Example 3. Verification of stability according to oil type

The oil in Example 1 was changed to the type shown in Table 5 below, and the compositions of Examples 6 and 7 and Comparative Examples 10 to 13 were prepared. Specifically, Examples 6 and 7 used the same ester-based oil as Example 1, Comparative Examples 10 and 11 used hydrocarbon-based oil, and Comparative Examples 12 and 13 used silicone-based oil. Other ingredients other than oil were the same as in Example 1 above.

To confirm the liquid crystal emulsion particles, the Example and Comparative Example compositions were photographed with polarized light. Photographs of the liquid crystal emulsion particles were taken twice: immediately after preparing the composition and one month later.

In addition, the first agent (including three or more types of emulsifiers and oils) and the second agent (including an oxidizing agent) containing a dark brown dye containing dyes such as toluene sulfate, 25-diamine, resorcinol, and P-aminophenol. Mix in a ratio of 1:1, apply to dry hair, leave for 25 minutes, rinse thoroughly with lukewarm water, and use a colorimeter (Spectrophotometer CM-600d, Konica Minolta) to measure the dyed hair using a black plate standard. After correction, the color difference value of the hair was measured 5 times and the average value was calculated. The color difference value was calculated by measuring the L*, a*, b* coordinate values indicated by the hue tab in the L*a*b* color space and using the calculation formula below.

Color difference values are shown in Table 6 below, and photos of liquid crystal emulsion particles and dyed hair of examples and comparative examples are shown in Figures 3 to 5.

As a result, as shown in FIG. 3, the compositions of Examples 1, 6, and 7 using ester oil formed a large amount of liquid crystal emulsified particles of uniform size. In addition, the dyeing effect was also shown to be excellent by these liquid crystal emulsification particles.

Meanwhile, as shown in Figure 4, in the compositions of Comparative Examples 10 and 11 using hydrocarbon oil, the size of the liquid crystal emulsification particles was not constant and the particles were not formed well. The dyeing effect is also reduced, and you can see that the color is stained on the hair. In addition, as shown in Figure 5, it can be seen that the liquid crystal emulsification particles in the compositions of Comparative Examples 12 and 13 using silicone oil were cloudy and less formed, and the dyeing effect was also poor.

Therefore, it can be confirmed that the type of oil is an important factor in the formation of liquid crystal emulsified particles of the hair dye composition of the present invention, and the use of ester oil was found to be most effective.

As the specific parts of the present invention have been described in detail above, those skilled in the art will understand that these specific techniques are merely preferred embodiments and do not limit the scope of the present invention. It will be obvious. Accordingly, the actual scope of the present invention will be defined by the appended claims and their equivalents.

Claims (15)

As a hair dye composition,
A first agent containing three or more types of emulsifiers and oils
Comprising a second agent containing an oxidizing agent,
A hair dye composition, wherein the oxidizing agent and the emulsifier are included in a weight ratio of 1:0.05 to 6. delete According to claim 1,
The above three or more emulsifiers
A hair dye composition selected from the group consisting of fatty alcohols, ceteth series, steareth series, stearate series, and palmitate series emulsifiers. According to claim 1,
The above three or more emulsifiers
A main emulsifier containing at least one emulsifier selected from fatty alcohols, ceteth series, and steareth series emulsifiers; and
A hair dye composition comprising an auxiliary emulsifier containing at least one emulsifier selected from stearate-based and palmitate-based emulsifiers. According to claim 3,
The hair dye composition wherein the fatty alcohol emulsifier includes at least one of stearyl alcohol, cetyl alcohol, myristyl alcohol, behenyl alcohol, and cetearyl alcohol. According to claim 3,
The hair dye composition wherein the fatty alcohol emulsifier is included in an amount of 1 to 10% by weight based on the total weight of the hair dye composition. According to claim 3,
A hair dye composition wherein the seteth series emulsifier includes at least one of seteth-2, seteth-15, and seteth-20. According to claim 3,
A hair dye composition wherein the ceteth series emulsifier is included in an amount of 0.1 to 20% by weight based on the total weight of the hair dye composition. According to claim 3,
A hair dye composition wherein the steareth-based emulsifier includes at least one of steareth-2 and steareth-21. According to claim 3,
A hair dye composition wherein the steareth-based emulsifier is contained in an amount of 0.1 to 20% by weight based on the total weight of the hair dye composition. According to claim 4,
The auxiliary emulsifiers include glyceryl stearate, sorbitan stearate, sorbitan diisostearate, polyglyceryl-2 triisostearate, polyglyceryl-3 triisostearate, stearyl stearate, sorbitan palmitate, Containing at least one of cetyl palmitate, isostearyl palmitate, polyglyceryl-10 palmitate, polyglyceryl-2 palmitate, glyceryl isopalmitate, butylene glycol palmitate, and stearyl palmitate. , hair dye composition. According to claim 4,
The hair dye composition wherein the auxiliary emulsifier is included in an amount of 0.1 to 5% by weight based on the total weight of the hair dye composition. According to claim 1,
The oil includes ester oil,
A hair dye composition wherein the ester oil includes at least one of triethylhexanoin, cetyl ethylhexanoate, and isopropyl myristate. According to claim 1,
The hair dye composition wherein the oil is contained in an amount of 0.1 to 5% by weight based on the total weight of the hair dye composition. According to claim 1,
The oxidizing agent includes hydrogen peroxide,
A hair dye composition wherein the hydrogen peroxide is contained in an amount of 1 to 6% by weight based on the total weight of the hair dye composition.