KR100839723B1 - A hair conditioning composition - Google Patents

Abstract

The present invention relates to a hair conditioner composition, which contains 0.1 to 10% by weight of aminoalkyl dimethicone and 0.1 to 10% by weight of dialkyl carbonate based on the total weight of the composition.

The composition not only improves the feeling of combing of hair in wet or dry conditions, and also provides excellent hair softness and gloss, but also provides a build-up effect in which silicone components and oils continuously accumulate in the hair even in repeated use. It does not work.

Hair conditioner, aminoalkyldimethicone, dialkyl carbonate

Description

Conditioning composition for hair

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wash-off type hair care composition that is applied to human hair and provides conditioning properties. The present invention relates to a hair cosmetic composition that has remarkably improved hair shine and softness. will be.

The hair of modern people is contaminated by the exposure to ultraviolet light, contact with the surrounding environment such as dust, and sebum secreted from the hair follicles, which causes a lot of damage due to frequent perm, hair dry, dyeing and combing. Damaged hair can be difficult to handle, such as when wet or dried, tangled and stiff, poorly combed, and poorly glossy. Thus, consumers' demands and preferences for conditioning products that improve the appearance and feel of hair and make them easier to handle are increasing day by day.

Therefore, the hair conditioning composition is used for the purpose of improving the touch and visual benefits regarding hair, for example, softness, flexibility, gloss, antistatic, ease of combing, and the like.

Conditioning on hair is provided primarily through the use of cationic surfactants and hair conditioning agents such as polymers, silicone conditioning agents, hydrocarbon oils and fatty alcohols.

Cationic surfactants and polymers, hydrocarbon oils and fatty alcohols are known to provide softness to hair and to prevent static electricity, and silicone conditioning agents are known to provide softness and other effects due to the low surface tension of silicone compounds.

Non-volatile silicone oils and polymer silicone gums commonly used in hair conditioning agents provide gloss and flexibility to the hair and provide softness to the hair after drying, while lacking moisturizing properties and poor compatibility with other ingredients. Due to its properties, there is a limitation in its utilization and cumulatively accumulates on the hair when used repeatedly for a long time, thereby reducing the softness and accelerating recontamination by dust and sebum. In particular, the polymer polysiloxane has a problem that the build-up phenomenon of stiffness of the hair is intensified because the polymer polysiloxane is not easily desorbed upon repeated use.

U.S. Patent No. 4,726,945 discloses a technique for build-up-free conditioning compositions using cationic surfactants, amidoamines, alkanols, cyclomethicones, and the like. The present invention implements a conditioning effect without a build-up as a composition that does not use polymer silicon, but there is a lack in terms of flexibility of the hair.

In US Pat. No. 6,936,265, dialkyl carbonate was used for the purpose of improving the coating feeling on a W / O emulsion, but the present invention and the emulsion formulations are different from the present invention.

Korean Patent 2001-0036921 discloses a hair conditioning technique containing a liquid crystalline microemulsion base and an organosilicon polymer, and Patent 2003-0039304 discloses a technique for conditioning hair using a specific aminosilicone. While buildup is reduced, it does not satisfy both the gloss and the softness of the hair.

It is an object of the present invention to provide a composition for protecting hair, preferably rinsing, with no build-up phenomenon that accumulates even when the raw materials exhibiting the conditioning effect are repeatedly applied to the hair.

Another object of the present invention is to provide a hair cosmetic composition which increases the gloss of hair with an increase in various conventional conditioning effects.

Another object of the present invention is to provide a hair cosmetic composition in a formulation such as rinse, hair cream, hair ampoule, hair treatment, etc. suitable for rinsing with water after being added to the hair.

The present invention to achieve the above object

A hair conditioning composition comprising an aminoalkyldimethicone of formula 1 and a dialkyl carbonate of formula 2 is provided:

Formula 1

Wherein R is a straight or branched alkyl group and may be represented by the general formula (CnH2n, n is an integer of 1 to 10), wherein the ratio of x and y may be selected from 1: 1 to 1: 500;

Formula 2

Herein, R ₁ and R ₂ are not particularly limited as C ₁ to C ₁₈ alkyl groups.

In one embodiment of the present invention, the R group may be selected from methyl, ethyl, propyl, butyl, pentyl, hexyl, octyl and the like. Preferably ethyl, propyl, butyl groups can be used.

In an embodiment of the present invention, the ratio of x and y may be in the range of 1:10 to 1: 200.

In one embodiment of the present invention, the molecular weight of the aminoalkyldimethicone may be used in a range of 1,000 to 1.000,000, and in another embodiment, a range of 5,000 to 100,000 may be used.

According to one embodiment of the present invention, the aminoalkyldimethicone, for example, aminoethyldimethicone, aminopropyldimethicone, aminobutyldimethicone, etc. may be used and may be used as a single substance or as an emulsion.

According to one embodiment of the invention, wherein the diethyl carbonate is for example, there are dimethyl carbonate, dicarboxylic ruffle one carbonate, diethylhexyl carbonate, C _{14 -15} dialkyl carbonate, and mixtures thereof can be used.

According to an embodiment of the present invention, the aminoalkyldimethicone may be included in an amount of 0.1 wt% to 5.0 wt% based on the total weight of the composition.

According to one embodiment of the invention, the dialkyl carbonate may be included in 0.01 to 10.0% by weight based on the total weight of the composition. According to another embodiment of the present invention, the dialkyl carbonate may be contained in an amount of 0.1 to 3.0 wt% based on the total weight of the composition.

The composition of the present invention may also include ingredients commonly used in the manufacture of hair cosmetics, such as surfactants, fatty substances, wetting substances, silicones, oils, perfumes, preservatives, vitamins, proteins and the like.

As described above, the present invention provides an excellent gloss and conditioning effect by containing aminoalkyldimethicone and dialkyl carbonate as an active ingredient and does not accumulate on the hair when repeated use, and is a conventional hair cosmetic, for example, It can be formulated in the form of O / W emulsions such as hair rinse, hair cream, hair ampoule, hair treatment and the like.

Hereinafter, the present invention will be described in more detail with reference to the following examples. These examples are only for illustrating the present invention, but the scope of the present invention is not limited thereto. That is, other variations of the invention may be permitted without departing from the spirit and scope of the invention within the scope of the skilled person of the hair care composition.

All percentages of the present invention are by weight unless otherwise indicated, and all ratios are by weight unless otherwise indicated. Unless indicated otherwise, all percentages, ratios, and contents of ingredients mentioned herein are based on the actual amounts of ingredients and do not include solvents, fillers, or other materials that can be combined with the ingredients in the commercial product.

Example  1 to 4

According to the invention, hair conditioning compositions having the compositions of Examples 1-4 are prepared.

 (Unit: weight%) Composition Example 1 Example 2 Example 3 Example 4 Cetyl alcohol 2.0 2.0 3.0 2.0 Stearyl alcohol 3.0 3.0 3.0 3.0 Behenyltrimethylammonium chloride 1.5 1.5 1.5 1.5 Cyclomethicone 1.0 1.0 1.0 1.0 Aminopropyldimethicone ^{1 )} 0.5 1.0 1.0 2.0 Dicaprylylcarbonate ^{2 )} 1.0 1.0 2.0 1.0 Panthenol 0.05 0.05 0.05 0.05 Ethyl panthenol 0.05 0.05 0.05 0.05 incense A reasonable amount A reasonable amount A reasonable amount A reasonable amount Citric acid A reasonable amount A reasonable amount A reasonable amount A reasonable amount Purified water Residual amount Residual amount Residual amount Residual amount

1) Aminopropyl dimethicone manufactured by Ciba Specialty Chemical Co., Ltd. and marketed under the trade name "Tinocare Si-A1".

2) Dicaprylylcarbonate, manufactured by Cognis, and marketed under the trade name "Cetiol CC".

 The composition according to the above Examples 1 to 4 is subjected to the following manufacturing process according to the composition of Table 1. The purified water is heated to 70 ° C. or higher, and high melting point materials such as cetyl alcohol, stearyl alcohol and behenyltrimethylammonium chloride are dissolved and added. The mixture thus obtained is cooled to below 50 ° C. and the remaining components are added with stirring and cooled to room temperature.

Comparative example  1 to 4

In order to compare the hair protection composition according to the embodiment with a product using a conventional moisturizing agent and conditioning agent, the amount of the other composition except the content of aminoalkyl dimethicone and dialkyl carbonate was the same, and the hair was glossy in the dry state. Comparative Examples 1 to 4 were prepared by varying the content of the polymer dimethicone having an effect on the softness and the composition shown in Table 2 below.

(Unit: weight%) Composition Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Cetyl alcohol 2.0 2.0 3.0 2.0 Stearyl alcohol 3.0 3.0 3.0 3.0 Behenyltrimethylammonium chloride 1.0 1.0 1.0 1.0 Cyclomethicone 1.0 1.0 1.0 1.0 Aminopropyldimethicone ^{1 )} 2.0 - - - Dicaprylylcarbonate ^{2 )} - 2.0 - - Dimethicone ^{1 )} - - 2.0 3.0 Panthenol 0.05 0.05 0.05 0.05 Ethyl panthenol 0.05 0.05 0.05 0.05 incense A reasonable amount A reasonable amount A reasonable amount A reasonable amount Citric acid A reasonable amount A reasonable amount A reasonable amount A reasonable amount Purified water Residual amount Residual amount Residual amount Residual amount

1) Polymeric dimethicone emulsion manufactured by Dow Corning Corporation and sold under the trade name "DC 2-1491".

Experimental Example  One: [ Combing  evaluation]

In order to evaluate the conditioning efficacy of the products of Examples and Comparative Examples, a combing evaluation experiment was conducted on wet and dried hair using an Instron (Universal Test Machine, Instron Model 4465 Test System).

First, a hair tress is made of virgin hair of an Asian woman purchased from De-Meo Brothers, USA, washed with 10% Sodium Laureth Sulfate (SLS) solution, rinsed with sufficient water, Sweep to remove. The wet hair bundle was fastened to the load cell loop of the Instron, the comb was fixed using a jig, and the load value of the comb was measured by operating the Instron. The same hair is completely dried with a towel and a dryer, then left in a constant temperature and humidity room for 2 hours, then placed on Instron and tested in the same manner. After the test, the hair bundle was rinsed for 30 seconds after 1 g application to the hair bundle with the compositions of Examples 2 to 3 and Comparative Examples 3 to 4, and then combing was evaluated by the method described above. Three or more hair bundles are prepared for each composition, tested three times or more for each item, and the average of the load values is calculated, and then the reduction rate of the average load value after treatment for the average load value after the untreated treatment of the composition. The preponderance of combing was evaluated.

Evaluation conditions were 10 g of hair bundle weight and 20 cm in length, and the comb state was a comb of a cylindrical matt stainless steel material, a comb diameter of 1 mm, and a spacing between combs of 1 mm. Instron's cross head speed was 500.00 mm / min., Load Cell was 10.0 kg / Limit Type, and displacement was 200.00 mm.

After evaluating the rate of change of the average load value after the untreated / treated compositions of the compositions for the above Examples and Comparative Examples in percentage (%), the results are shown in [Table 3].

( unit: % ) Evaluation Item Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Average load reduction rate when the hair gets wet -59 -68 -48 -38 -45 -47 Average load reduction rate when hair is completely dry -55 -63 -43 -35 -39 -43

The greater the negative (-) value, the better the combing feeling. According to the test results, it can be seen that Examples 2 to 3, which are compositions of the present invention, have a conditioning effect superior to those of Comparative Examples 1 to 4. The load values of Examples 2 to 3 in which aminopropylmimethicone and dicapryyl carbonate were mixed were significantly reduced than those of Comparative Examples 1 and 2, in which aminopropyl dimethicone and dicaprylyl carbonate were respectively applied 2.0% alone. There is a benefit to using it in conjunction.

Experimental Example  2: [panel sensory evaluation: glossiness evaluation]

In order to evaluate the conditioning efficacy of the products of Examples and Comparative Examples, hair gloss evaluation experiments were conducted using hair tress.

First, hair tresses were made from virgin hair of Asian women purchased from De-Meo Brothers, USA, washed with 10% aqueous sodium laureth sulfate solution, rinsed with sufficient water, and dried naturally.

Evaluation condition is that the hair bundle weight is 10 g, the length is 20 cm, 3 g of the same shampoo is applied for 1 minute, washed with running water for 30 seconds, and the compositions of Examples 2-3 and Comparative Examples 1-4 are different hair After 3g application to the bundle, it was left for 1 minute, washed with running water for 30 seconds, and dried naturally.

The hair bundles subjected to the above treatment were randomly arranged to 20 professional panelists with experience in organoleptic evaluation of hair products based on the following evaluation criteria, and the results are shown in Table 4.

Evaluation standard

Evaluation item Evaluation standard Hair glossiness 5 points: Excellent gloss and excellent 4 points: Excellent gloss and excellent 3 points: Normal 2 points: No gloss 1 point: No gloss

( unit: % ) Evaluation Item Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Glossiness in dry condition 4.0 4.5 3.4 3.6 3.3 3.5

As can be seen from the above results, Examples 2 to 3 according to the present invention realized better gloss than Comparative Examples 3 to 4, in particular Example 3 containing 1.0% aminopropyldimethicone and 2.0% dialkyl carbonate Showed the best conditioning effect. In terms of glossiness, evaluation of excellent glossiness of Examples 2 to 3 in which aminopropylmimethicone and dicaprylyl carbonate were mixed than Comparative Examples 1 to 2 in which aminopropyl dimethicone and dicaprylyl carbonate were respectively applied 2.0% alone was evaluated. It can be said that there is an advantage of mixed use in that it is received.

Experimental Example  3: [hair Build up  evaluation: XPS ]

In order to evaluate the buildup phenomenon accumulated during repeated use by measuring the amount of silicon remaining in the hair, the silicon (Si) content of the hair surface was evaluated by using X-ray photoelectron spectroscopy (XPS).

First, hair tresses were made from virgin hair of Asian women purchased from De-Meo Brothers in the United States, washed with 10% aqueous sodium laureth sulfate solution, rinsed with sufficient water, and naturally dried.

Evaluation condition is that the hair bundle weight is 10g, the length is 20cm, 3g of the same shampoo is applied for 1 minute, washed with running water for 30 seconds, and the compositions of Examples 2-3 and Comparative Examples 3-4 to different hair bundles After 3g application, it was left for 1 minute and then washed with running water for 30 seconds and dried naturally.

The compositions of Examples 2 to 3 and Comparative Examples 3 to 4 were treated 5, 10 and 20 times with each hair bundle and subjected to surface element analysis through XPS.

(unit %) Evaluation Item Example 2 Example 3 Comparative Example 3 Comparative Example 4 Si content of untreated hair bundle 1.3 1.2 1.0 1.3 Si content of 10 treated hair bundles 4.0 4.0 5.0 5.3 Si content of 20 treated hair bundles 4.0 4.2 6.4 6.5

From the above results it can be seen that Examples 2 to 3 according to the present invention has a less build-up effect of the conditioning material remaining on the hair when repeated use compared to Comparative Examples 3 to 4.

Experimental Example  4: [ Feeling  And conditioning effect evaluation]

Twenty professional panelists with experience in sensory evaluation of hair products were first made with the same shampoo and then divided into two hairs to simultaneously use the products of Example 2 and Comparative Example 3, followed by wet and natural drying immediately after towel drying. After that, the texture of the completely dry condition was evaluated. The evaluation was carried out as a relative evaluation method to select a preferred product by comparing and comparing the satisfaction of softness / combing ease and moisture / gloss of hair after using the product with the following evaluation items. The above evaluation was carried out in the same manner to 20 experts on the same panel using the products of Example 3 and Comparative Example 4.

      (Unit: people) Evaluation Item Example 2 Comparative Example 3 Example 3 Comparative Example 4 Softness / combability when hair is wet 12 3 15 One Softness / combability when hair is dry 12 4 16 One Shine when hair is dry 17 2 17 0

* The number is the number of specialist panels who chose the composition, the missing number is the number of specialist panels who do not feel the difference between the two products.

As shown in Table 6, the composition of Examples 2 to 3 showed better results than the compositions of Comparative Examples 3 to 4 in softness / combability and gloss, both when wet and dry.

Experimental Example  5: [consumers Feeling  evaluation : Feeling  And conditioning evaluation]

For the hair conditioning composition prepared in the content of Example 3 and Comparative Example 4, the evaluation of the feeling of conditioning and moisturizing effect was conducted in the following manner.

80 women aged 25 to 40 years with hair damaged due to dyeing and perm were selected and compared to the evaluation items shown in Table 7 below for one month. The lowest score was 1 point. The highest score was 5 points. The test results are shown in the following [Table 7].

       (Unit: points) Evaluation Item Example 3 Comparative Example 4 Soft when using 3.8 3.5 Softness when hair is wet 4.5 3.5 Softness when hair is dry 4.2 3.7 Moisturizing 4.3 3.7 burnish 4.5 3.6 Conditioning Passive 4.2 3.5

As a result of the test, Example 3 according to the present invention was evaluated to be superior to the composition of Comparative Example 4 in softness, moisturizing feeling, gloss and conditioning sustaining effect.

As described above, the hair composition of the present invention contains aminoalkyldimethicone and dialkyl carbonate to provide excellent conditioning effect, and in particular, to provide a hair composition having excellent gloss effect while improving the accumulation of conditioning materials. Can be. The conditioning composition also improves the feeling of combing when the hair is wet and after drying, providing a smooth, soft feel for a long time and improving the aesthetics of the hair with excellent gloss.

Claims (10)

A conditioning composition for hair comprising an aminoalkyl dimethicone represented by the following formula (1) and a dialkyl carbonate represented by the following formula (2): [Formula 1]

Wherein R is an alkyl group and may be represented by the general formula (C _n H _2n ), n is an integer of 1 to 10. x and y are integers, and the ratio of x: y is 1: 1 to 1: 500)  [Formula 2]

(Wherein R ₁ , R ₂ are C ₁ -C ₁₈ straight or branched alkyl groups.) The hair conditioning composition of claim 1, wherein the R group is at least one selected from the group consisting of methyl, ethyl, propyl, butyl, pentyl, hectyl and octyl. The hair conditioning composition of claim 1, wherein the ratio of x and y is 1:10 to 1: 200. The hair conditioning composition of claim 1, wherein the aminoalkyl dimethicone has a molecular weight in the range of 5,000 to 100,000. The hair conditioning composition of claim 1, wherein the aminoalkyldimethicone is contained in an amount of 0.01 to 5.0 wt% based on the total composition. The hair conditioning composition of claim 1, wherein the aminoalkyldimethicone is selected from the group consisting of aminoethyldimethicone, aminopropyldimethicone and aminobutyldimethicone. The method of claim 1 wherein the dialkyl carbonate is dimethyl carbonate, dicarboxylic ruffle one carbonate, diethylhexyl carbonate, C _{14 -15} dialkyl hair conditioning composition characterized in that it contains at least one selected from polycarbonate. The hair conditioning composition of claim 1, wherein the dialkyl carbonate is contained in an amount of 0.01 to 3.0% by weight.    The hair conditioning composition of claim 1 wherein said aminoalkyldimethicone is in the form of an oil-in-water emulsion.    The hair conditioning composition of claim 1, wherein the hair conditioning composition is formulated in the form of a hair rinse, hair cream, hair ampoule, or hair treatment.