KR100372347B1 - Hair Cosmatics Composition - Google Patents

Abstract

The present invention relates to a hair cosmetic composition, the hair cosmetic composition according to the present invention, in place of water 0.01 to 10.0% by weight of a hydrogen bond with the cortex (cortex) inside the hair and 0.01 to 10.0% by weight anti-oxidant It is characterized by including the%.

By using the hair cosmetic composition according to the present invention, the hair can be kept moisturized continuously without being influenced by external environment such as temperature, humidity or ultraviolet rays, thereby maintaining high flexibility and moisture for a long time. Therefore, the hair can be protected from stimulation such as dry, perm, setting, and dyeing, and damage from air pollution and ultraviolet rays can be prevented.

Description

Hair Cosmatics Composition

The present invention relates to a hair cosmetic composition that produces the same effect as moisturizing. More specifically, the present invention relates to a hair cosmetic composition including a hydrogen bondable substance, which protects the hair by performing hydrogen bonding with the cortex inside the hair to have the same effect as the moisturizing effect of water in the hair. will be.

In modern times, as the interest in hair design increases, a lot of dry, perm, dyeing and setting are performed. However, this treatment damages the hair, and the damage of the hair is further promoted due to the increase of ultraviolet rays due to serious air pollution. In response to the demands of consumers who want to prevent hair damage and maintain moist and healthy hair, a great deal of attention has been focused on hair moisturizing and research has been started. However, since the study of moisturizing began to study the skin, not the hair first, most of the conventional hair moisturizers applied the mechanism of the skin moisturizer as it is.

Moisturizing to the hair is achieved by moisture inside the hair and moisture on the surface of the hair. Moisture inside the hair determines the flexibility of the hair and the moisture on the surface of the hair determines the moistness. However, since the moisture contained in the hair is in equilibrium with the outside of the hair, it is greatly influenced by the external environment, that is, temperature, humidity, and ultraviolet rays. Therefore, not only the initial moisture content but also the effective preservation of the moisture contained in the hair becomes dry, rough and rough.

Most conventional moisturizing mechanisms retain moisture by using materials having high affinity for water in the hair, such as proteins or protein derivatives, and then moisturizers, emollients, and humectants outside the hair. Moisturizing by treating with water-proof anti-oxidants such as However, this method retains moisture to some extent but prevents complete water vaporization, so the internal moisture is still in equilibrium with the external moisture. Therefore, the external environment such as temperature, humidity, and ultraviolet light is affected, which makes it difficult to effectively moisturize.

The present invention is to solve the above problems, an object of the present invention, the hair is not affected by the external environment, such as temperature, humidity or ultraviolet rays continuously to maintain a moisturizing state, high flexibility and moisture for a long time It is to provide an excellent hair cosmetic composition that can be maintained.

1 is a schematic diagram showing the mechanism by which the hair cosmetic composition according to the present invention acts on the hair.

In order to achieve the above object, the hair cosmetic composition according to the present invention, in place of water containing 0.01 to 10.0% by weight of the substance and hydrogen bonding agent to the hair cortex and 0.01 to 10.0% by weight of water oxidant inhibitor It features.

In the hair cosmetic composition according to the present invention, the substance that hydrogen bonds with the hair cortex in place of the water is characterized in that at least one of glycine and glycolic acid.

In the hair cosmetic composition according to the present invention, the anti-moisture inhibitor is 0.01 to 8.0% by weight of polyethylene glycol (Poly Ethylene Glycol; PEG) -200 hydrogenated glyceryl palmate / PEG-7 glyceryl cocoate and 0.01 to 10.0% by weight of PEG is characterized in that at least one.

In the hair cosmetic composition according to the present invention, the PEG is characterized in that at least one PEG selected from the group consisting of PEG-7M, PEG-9M, PEG-14M and PEG-20M.

Hereinafter, look at in detail with respect to the hair cosmetic composition according to the present invention.

Examples of the substance capable of hydrogen bonding with cortex instead of water in the hair include glycine and glycolic acid. Glycine has a structure as shown in formula (1).

Since glycine is a kind of amino acid, it has a COOH group and an NH ₂ group like ordinary amino acids. Therefore, it is possible to form hydrogen bonds with the cortex in the hair. It is preferably in an amount of 0.01 to 10% by weight relative to the total weight of the composition when used for hair protection purposes.

Glycolic acid has a structure as shown in Formula 2 below.

Glycolic acid is a kind of α-hydroxy acid and has a COOH group and an OH group. Therefore, it can form a hydrogen bond with the cortex in the hair like the glycine. It is preferably in an amount of 0.01 to 10% by weight relative to the total weight of the composition when used for hair protection purposes.

As shown in Figure 1, the glycine and glycolic acid maintains the hair's flexibility by hydrogen bonding with the cortex in the hair instead of water. That is, damage to the hair is prevented by maintaining the same or more moisturizing as water is contained in the hair. Moreover, the water contained in hair constantly loses its moisturizing effect over time because it constantly reaches equilibrium with external moisture, but substances other than water, such as glycine or glycolic acid, do not equilibrate with the outside and thus affect the external environment. Do not receive. Therefore, when glycine etc. are contained rather than water contained in hair, a higher moisturizing effect can be maintained for a long time. Anti-moisture inhibitors, such as moisturizers, emollients, and humectants, which are treated outside the hair, ensure that glycine and glycolic acid are effectively contained in the hair.

As an anti-moisture oxidizing agent, PEG-200 Hydrogenated Glyceryl Palmate / PEG-7 Glyceryl Cocoate (trade name: LIS-80), which is represented by Chemical Formula 3 (PEG-200 Hydrogenation) Glyceryl palmate) and a mixture of formula 4 (PEG-7 glyceryl cocoate).

Wherein n is on average 200.

Wherein n is on average 7, R is an alkyl group derived from coconut.

The PEG-200 hydrogenated glyceryl palmate / PEG-7 glyceryl cocoate is used as an emollient, a thickener, and the like, and the hair cosmetic is preferably included in an amount of 0.01 to 8% by weight based on the total weight of the composition.

PEG has the structure of formula (5).

Wherein n is an integer.

The PEG is used as an emulsion stabilizer, dispersant, thickener, and moisturizer. Specific examples thereof include PEG-7M, PEG-9M, PEG-14M and PEG-20M. They are preferably contained at a concentration of 0.01 to 5% by weight based on the total amount of the composition.

The present inventors conducted the following experiment to determine the effect of the hydrogen-bonding material in the hair cortex in place of water, such as glycine, glycolic acid.

Experimental Example 1

As a substance capable of hydrogen bonding with the hair internal cortex instead of water, glycolic acid, glycine, propylene glycol (PG) and glycerin were prepared in 1, 2 and 4% solutions, respectively, and treated in hair tress damaged by two bridging. By using the gravimetric method and the tensile strength measurement method, the percent strain was calculated from the absolute moisturizing amount and the stress / strain curve, and then compared with the value of water treatment.

Gravimetric method (fragrance J, 13, 127, 1994) first measures the weight of the hair which each sample is treated and left under constant temperature and humidity, and then calculates the difference in weight by measuring the weight of the hair again after heating to a high temperature. The moisture absorption amount or evaporation amount is calculated by doing this. For example, the weight of the hair left at 105 ° C. (T ₁ ) is measured, then warmed to 180 ° C. (T ₂ ), and the weight is measured again to calculate the difference in weight. Internal moisturizing amount is calculated as in the following formula (1).

Internal moisture amount (%) = {(weight of the weight of the -T ₂ T ₁₎ / (T on the weight of _2)} × 100

Tensile strength measurement method is to calculate the% strain from the stress / strain curve obtained by measuring the tensile strength of the hair which is treated and left untreated for each sample under constant temperature and humidity.

Absolute moisturizing amount (%) calculated based on the amount of water present in the hair based on the water treatment sample is shown in Table 1 below.

Glycolic acid Glycine PG glycerin One% -27.66 -34.84 -4.03 -5.48 2% -33.75 -35.27 -24.39 -25.38 4% -48.33 -38.36 -22.31 -28.75

As shown in Table 1, since the value of the absolute moisturizing amount is all negative, the internal moisture content was less than that treated with water. Therefore, it was found that substances such as glycolic acid and glycine penetrated into the hair and occupied positions occupied by water. In particular, when treated with glycolic acid and glycine, it was found that more negative values resulted in more effective penetration of hair.

The percent strain obtained from the stress / strain curves is shown in Table 2 below.

water Glycolic acid Glycine PG glycerin One% 43.2159 46.1315 44.7133 46.3634 45.4357 2% 43.2159 45.9361 44.3301 45.2795 45.6421 3% 43.2159 46.3883 44.3301 45.4539 45.3121

As shown in Table 2, it was found that there was almost no difference in the% strain value when the hair was treated with water and when the hair was treated with a substance such as glycolic acid or glycine.

Experimental Example 2

One of the most widely used surfactants in shampoos is Ammonium Lauryl Sulfate (ALS), Ammonium Laurylethyl Sulfate (ALS) and Sodium Laurylethyl Sulfate (SLES) One or more of the glycolic acid and glycine in or without the rest of the sample made of 100% filled with purified water (No. 1 ~ No. 10) and the results of the experiment as in Experimental Example 1 are shown in Table 3 and Table 4 same.

Ingredient (% by weight) Purified water ALS ALES SLES Glycolic acid Glycine Absolute Moisturizing Amount (%) No.1 (comparative example) 100 - - - - - 0 No.2 85 15 - - - - -7.37 No.3 81 15 - - 4 - -30.99 No.4 81 15 - - - 4 -30.71 No.5 85 - 15 - - - -31.15 No.6 81 - 15 - 4 - -9.99 No.7 81 - 15 - - 4 -29.67 No.8 85 - - 15 - - -49.26 No.9 81 - - 15 4 - -19.13 No.10 81 - - 15 - 4 -6.36

As shown in Table 3, the Nos. 2 to 10 were all smaller than the Comparative Example (No. 1). Glycolic acid or glycine, as mentioned in Experiment 1, is a water content decreases by hydrogen bonding with the cortex in the hair in place of water. When treated with a sample containing no glycolic acid or glycine, that is, No. 2, 5 and 8, the moisture content was also reduced. It seems to be due

The results of measuring the tensile strength of the hair treated with each sample are shown in Table 4 as% strain.

No.1 No.2 No.3 No.4 No.5 No.6 No.6 No.8 No.9 No.10 47.33 44.85 44.39 45.53 41.63 43.10 44.22 41.33 42.88 43.68

As shown in Table 4, it was found that all the hair treated with each of the samples showed a moisturizing effect similar to that of the hair treated with water.

Experimental Example 3

PEG-200 Hydrogenated Glyceryl Palmate / PEG-7 Glyceryl Cocoate (LIS-80), PEG (PEG-) 7M) was introduced to prepare a hair cosmetic having a composition as shown in Table 5 below.

Ingredient (% by weight) No.11 No.12 No.13 No.14 No.15 No.16 Purified water 78.99 77 75 78.99 78 77 PEG-7M - - - 0.01 1.0 2.0 LIS-80 0.01 2.0 4.0 - - - ALS 12 12 12 12 12 12 ALES 4 4 4 4 4 4 Glycine 5 5 5 5 5 5

As a result of treating the hair with a sample having a component content as shown in Table 5, it was found that the hair became soft and supple. However, when LIS-80 exceeded 8% by weight and PEG-7M exceeded 5% by weight, the hair became stiff and rough.

Experimental Example 4

The present inventors carried out the following experiment to investigate the synergistic effect of the mixture of glycolic acid and glycine hydrogen-bonded with the hair internal cortex instead of water. The results are shown in Table 6 below.

Ingredient (% by weight) No.17 No.18 No.19 No.20 No.21 No.22 Purified water 81 81 81 81 81 81 ALS 12 12 12 12 12 12 ALES 4 4 4 4 4 4 Glycolic acid 5 4 3 2 One 0 Glycine 0 One 2 3 4 5

As a result of treating the hair with the samples as shown in Table 6, it was found that the hair became more supple and moist when mixed with glycolic acid or glycine alone.

The present invention will be described in more detail with reference to the following Examples. However, the following examples are merely illustrative of the preferred embodiment of the present invention, the scope of the present invention is not limited by the following examples.

Example

<Example 1>

To the composition shown in Table 7 was prepared a hair cosmetic according to a conventional method. Purified water was added to make the total 100%.

Ingredient (% by weight) Comparative Example 1 Example 1 Example 2 Example 3 Purified water Remainder Remainder Remainder Remainder LIS-80 0 0.1 0.1 - PEG-7M 0 0 - 0.1 ALS 12 12 12 12 ALES 4 4 4 4 Lauryl Monoethanolamide 1.0 1.0 1.0 1.0 Glycolic acid 0 0 3 3 Glycine 0 0 One One Pigment Quantity Quantity Quantity Quantity incense Quantity Quantity Quantity Quantity

For the hair cosmetics prepared according to Comparative Example 1 and Examples 1 to 3, the moisture content by weight method and% strain by tensile strength measurement method were obtained and compared. The results of measuring the moisture content by the gravimetric method are shown in Table 8 below.

Comparative Example 1 Example 1 Example 2 Example 3 Absolute Moisturizing Amount (%) 0 18.02 -9.90 0.252

As shown in Table 8, the moisture content of Example 1 was higher than that of Comparative Example 1. This is because water transpiration was reduced by LIS-80, a water transpiration inhibitor. In view of lower absolute moisturizing amounts in Examples 2 and 3 than in Example 1, it is assumed that glycolic acid and glycine occupy the place of water. It was also found that PEG-200 hydrogenated glyceryl palmate / PEG-7 glyceryl cocoate (LIS-80) and PEG (PEG-7M) also contributed to the preservation of internal moisture.

Table 9 shows the results of measuring the% strain according to the tensile strength measurement method as well as the moisture content.

Comparative Example 1 Example 1 Example 2 Example 3 % Strain 37.125 38.754 38.510 37.154

As shown in Table 9 above, all of the examples showed% strain similar to that of the comparative example. Therefore, glycolic acid and glycine penetrate the inside of the hair and take the place of water, thereby demonstrating that the internal moisture content becomes small but serves to maintain the softness of the hair in place of the water.

As described above, when using the hair cosmetic composition according to the present invention, the hair is not affected by the external environment such as temperature, humidity, or ultraviolet rays, and thus maintains the same state of moisturizing for a long time, thereby maintaining high flexibility and moisture for a long time. You can do that. Therefore, the hair can be protected from stimulation such as dry, perm, setting, and dyeing, and damage from air pollution and ultraviolet rays can be prevented.

Claims (4)

A hair cosmetic composition comprising 0.01 to 10.0% by weight of a substance that hydrogen bonds with the cortex in the hair in place of water, and 0.01 to 10.0% by weight of a moisture anti-oxidant. The hair cosmetic composition of claim 1, wherein the substance which hydrogen bonds to the hair internal cortex in place of water is at least one of glycine and glycolic acid. The method of claim 1, wherein the anti-moisture inhibitor is at least one or more of 0.01 to 8.0% by weight of PEG-200 hydrogenated glyceryl palmate / PEG-7 glyceryl cocoate and 0.01 to 10.0% by weight of PEG Cosmetic composition. The hair cosmetic composition of claim 1, wherein the PEG is at least one PEG selected from the group consisting of PEG-7M, PEG-9M, PEG-14M, and PEG-20M.