KR20170085635A - Emulsion composition for cosmetic and method for preparing the same - Google Patents

Abstract

More particularly, the present invention relates to an emulsion composition for cosmetics comprising water, polydimethylsiloxane, a nonionic surfactant, a neutralizing agent, a polyhydric alcohol additive and a preservative, and a process for producing the emulsion composition. The emulsion composition for cosmetics of the present invention not only gives excellent conditioning effect but also has a mild flavor with little influence on the inherent fragrance of the raw material and can enhance applicability to various kinds of cosmetics .

Description

FIELD OF THE INVENTION [0001] The present invention relates to an emulsion composition for cosmetics,

The present invention relates to an emulsion composition for cosmetics and a process for producing the same, and more particularly, to a cosmetic emulsion composition which not only gives an excellent conditioning effect but also has a mild flavor with little effect on the inherent fragrance To an emulsion composition for cosmetics and a process for producing the same.

Generally, the high viscosity silicone emulsion uses an inversion method in which water is added after mixing the surfactant in advance with the oil. Because the process proceeds on an oil-based basis, a phase transfer process involving high-speed agitation in a scrapper mixer and a cooling process to control the temperature rise of the reaction vessel due to high-speed agitation are used. Further, since a large amount of air bubbles may be generated in the emulsion due to high-speed stirring, an additional depressurization step proceeds (Patent Documents 1 to 5).

On the other hand, when the emulsions for cosmetics are prepared by applying the above-mentioned conventional raw materials such as antiseptics and neutralizers, the properties of the raw materials are strongly observed in the emulsion, and when applied to cosmetic formulations, There is a possibility that the emulsion composition of the present invention may have an influence on the flavor of the cosmetic product.

U.S. Patent No. 5,633,303 U.S. Patent No. 5,852,110 U.S. Patent No. 4,499,398 Korean Patent Publication No. 10-2001-0038746 Korea Patent No. 10-0121132

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide an emulsion composition for cosmetics which is excellent in conditioning effect and has a mild flavor, And a method for producing the same.

In order to achieve the above object, the present invention provides an emulsion composition for cosmetics comprising water, polydimethylsiloxane, a nonionic surfactant, a neutralizing agent, a polyhydric alcohol additive, and a preservative.

According to one embodiment of the present invention, the polydimethylsiloxane contained in the cosmetic emulsion composition of the present invention has a viscosity range of 100-20,000,000 cP.

According to another embodiment of the present invention, the polydimethylsiloxane has a weight average molecular weight of 1,000 to 500,000.

According to another embodiment of the present invention, the polydimethylsiloxane is preferably a mixture of a low viscosity polydimethylsiloxane having a viscosity range of 100-50,000 cP and a high viscosity polydimethylsiloxane having a viscosity range of 50,000-20,000,000 cP.

According to another embodiment of the present invention, the low viscosity polydimethylsiloxane and the high viscosity polydimethylsiloxane are preferably mixed in a weight ratio of 0.2: 1 to 9: 1.

According to one embodiment of the present invention, the nonionic surfactant contained in the cosmetic emulsion composition of the present invention is at least one selected from the group consisting of polyoxyethylene alkyl ether, polyoxyethylene allyl alkyl ether, polyoxyalkylene alkylphenol ether, polyoxyalkylene aryl Ester, polyoxyalkylene sorbic acid alkyl ester, sodium lauryl ether sulfate, stearyltrimethyl ammonium chloride, and the like.

According to another embodiment of the present invention, it is preferable that the nonionic surfactant is contained in an amount of 1-20% by weight of the total weight of the emulsion composition for cosmetics of the present invention.

According to another embodiment of the present invention, the nonionic surfactant preferably has a hydrophilic lipophilic balance (HLB) value in the range of 10-13.

According to another embodiment of the present invention, the nonionic surfactant is preferably used as a mixture of a nonionic surfactant in the HLB 5-12 range and a nonionic surfactant in the HLB 12-20 range.

According to one embodiment of the present invention, the neutralizing agent contained in the emulsion composition for cosmetics of the present invention is an acidic substance. The acidic material may be selected from any organic or inorganic acids such as citric acid, acetic acid, lactic acid, formic acid, nitric acid, glycolic acid, phosphoric acid, and any mixtures thereof.

According to another embodiment of the present invention, it is preferable that the neutralizing agent is contained in an amount of 0.001-10 wt% of the total weight of the emulsion composition for cosmetics of the present invention.

According to one embodiment of the present invention, the polyhydric alcohol-based additive contained in the cosmetic emulsion composition of the present invention is a polyalcohol-based additive which is obtained by mixing propylene glycol (PG), polypropylene glycol (PPG), ethylene glycol (EG), glycerin But the present invention is not limited thereto.

According to another embodiment of the present invention, it is preferable that the polyhydric alcohol additive is included in an amount of 0.1-10% by weight based on the total weight of the emulsion composition for cosmetics of the present invention.

According to one embodiment of the present invention, the preservative contained in the emulsion composition for cosmetics of the present invention is sodium benzoate, phenoxyethanol, hexanediol, propylene glycol, diazolidinyl urea, imidazolinyl urea, Benzoic acid chloride, 2-bromo-2-nitro-propane-1,3-diol, dehydroacetic acid, 2-dichloro-benzyl alcohol, sodium hydroxymethyl- glycinate, triclosan, benzoic acid At least one compound selected from the group consisting of chlorobenzoic acid, benzyl alcohol, benzoformate, salicylic acid, sodium iodate, sorbic acid, calcium benzoate, methyl benzoate, benzyl benzoate, Can be used.

According to another embodiment of the present invention, it is preferable that the preservative is contained in an amount of 0.001-10 wt% of the total weight of the emulsion composition for cosmetics of the present invention.

The present invention also provides a process for producing the emulsion for cosmetics. According to one embodiment of the present invention, the method for producing an emulsion composition for cosmetics of the present invention comprises

(1) adding polydimethylsiloxane and a nonionic surfactant to a reactor and stirring the same;

(2) adding the first water component to the resulting mixture of the first step and stirring the mixture;

(3) Add a preservative to the second part of water and heat with stirring. Add a polyhydric alcohol-based additive component or a nonionic surfactant and stir. Add a neutralizing agent and stir. Add the third part of water and stir to prepare a premix solution Lt; / RTI >

(4) adding the premix solution to the resultant mixture of the second step and stirring the mixture;

(5) adding the fourth water component to the resulting mixture of the fourth step and stirring the mixture.

The emulsion composition for cosmetics of the present invention not only gives excellent conditioning effect but also has a mild flavor with little influence on the inherent fragrance of the raw material and can enhance applicability to various kinds of cosmetics .

The present invention provides an emulsion composition for cosmetics comprising water, polydimethylsiloxane, a nonionic surfactant, a neutralizing agent, a polyhydric alcohol additive, and a preservative, and a process for producing the same.

In the present invention, "emulsion composition for cosmetics" is intended to include without limitation any composition that can be used in the human body to clean and smell the human body to change appearance brightly or to maintain or enhance the health of skin and hair Is used.

Hereinafter, the present invention will be described in detail.

The present invention provides an emulsion composition for cosmetics comprising water, polydimethylsiloxane, a nonionic surfactant, a neutralizing agent, a polyhydric alcohol additive and a preservative

Hereinafter, each component constituting the emulsion composition for cosmetics of the present invention will be described in detail.

(A) Water

Water is preferably deionized water (DI water) and is used in the production of the emulsion composition for cosmetics of the present invention. The amount of water to be added during the preparation of the emulsion composition for cosmetics can be suitably adjusted according to the required solid content and is preferably 10 to 50% by weight based on the total weight of the emulsion. If the amount of water is excessively smaller or larger than the above range, the emulsion stability, viscosity and the like may deteriorate.

(B) Polydimethylsiloxane

The polydimethylsiloxane used in the preparation of the emulsion composition for cosmetics of the present invention is preferably used as a silicone oil in an amount of 10-70 wt%, more preferably 30-50 wt%, based on the total weight of the emulsion. If the content is less than 10% by weight, the conditioning effect such as residual property, which is characteristic of silicone oil, may not be exhibited. If the content exceeds 70% by weight, the silicon content may increase and it may be difficult to pass through the emulsifying apparatus. ≪ / RTI >

The viscosity range of the polydimethylsiloxane is about 100-20,000,000 cP, preferably 200-1,000,000 cP, more preferably 500-500,000 cP, and even more preferably 1,000-300,000 cP. The weight average molecular weight of the polydimethylsiloxane is about 1,000 to 500,000, preferably 3,000 to 300,000, and more preferably 5,000 to 200,000. According to one embodiment of the present invention, the polydimethylsiloxane is a low viscosity polydimethylsiloxane having a viscosity range of 100-50,000 cP, preferably 1,000-30,000 cP and a viscosity of 50,000-20,000,000 cP, preferably 100,000-10,000,000 cP When a high viscosity polydimethylsiloxane having a viscosity range is used in combination, a more excellent conditioning effect can be exhibited as compared with the case of using the same viscosity polydimethylsiloxane having a viscosity range of either low viscosity or high viscosity, The characteristics of the high viscosity polymer may be more conspicuously exhibited. Further, the higher the viscosity of the polydimethylsiloxane, the better the residual property. According to a preferred embodiment of the present invention, when using low viscosity polydimethylsiloxane and high viscosity polydimethylsiloxane, the ratio of the low viscosity polydimethylsiloxane to the high viscosity polydimethylsiloxane is preferably from 0.2: 1 to 9: 1 , More preferably from 2: 1 to 7: 1.

(C) Nonionic surfactant

The nonionic surfactant used in the preparation of the emulsion composition for cosmetics of the present invention is a polyoxyethylene alkyl ether, a polyoxyethylene allyl alkyl ether, a polyoxyalkylene alkyl phenol ether, a polyoxyalkylene aryl ester, a polyoxyalkylene sor Sodium lauryl ether sulfate, stearyltrimethyl ammonium chloride, or the like may be used alone or in admixture of two or more, but not always limited thereto. According to one embodiment of the invention, suitable nonionic surfactants include alkoxylated alcohols or ethers formed by the reaction of an alcohol with an alkylene oxide, typically ethylene or propylene oxide. Preferably, the alcohol is a fatty alcohol having 6 to 30 carbon atoms. Other suitable nonionic surfactants include alkoxylated sorbitan and alkoxylated sorbitan derivatives. For example, alkoxylation, especially ethoxylation, of sorbitan provides polyalkoxylated sorbitan derivatives. Esterification of polyalkoxylated sorbitan provides sorbitan esters, such as polysorbates. Examples of such ingredients include sorbitan oleate, sorbitan sesquioleate, sorbitan palmitate, sorbitan sesquiisostearate, sorbitan stearate, and the like.

The nonionic surfactant is preferably used in an amount of 1-20% by weight based on the total weight of the cosmetic emulsion composition. If the content of the nonionic surfactant is less than 1% by weight, emulsification may not be performed properly, and if it exceeds 20% by weight, the conditioning effect of the final emulsion may be deteriorated.

According to a preferred embodiment of the present invention, the nonionic surfactant is used considering the hydrophilic lipophilic balance (HLB) value. When the HLB value of the nonionic surfactant is adjusted to 10 to 13, the emulsion stability of the emulsion can be increased, which is preferable. At this time, it is preferable to adjust the final HLB value to 10-13 by mixing two kinds of components having different HLB values. When the nonionic surfactant component having a small HLB value and the nonionic surfactant component having a large HLB value are used together, the stability at room temperature and at high temperature becomes more excellent. According to one embodiment of the present invention, a surfactant component having a small HLB value in the range of HLB 5-12, preferably HLB 7-10 and an interface having a large HLB value in the range of HLB 12-20, preferably HLB 15-17 It is more preferable to select two kinds of activator components and apply them to the final emulsion. According to one embodiment of the present invention, by using a nonionic surfactant such as polyoxyethylene allyl alkyl ether or the like, the emulsion composition for cosmetics of the present invention can be used as a preservative for cosmetic emulsion compositions The sodium benzoate used has a strong flavor) and can exhibit a mild flavor with little effect.

(D) Neutralizing agent

The neutralizing agent used in the preparation of the emulsion composition for cosmetics of the present invention may be any acidic substance without limitation as a pH adjusting agent. According to one embodiment of the present invention, the acidic substance may be selected from organic acids or inorganic acids such as citric acid, acetic acid, lactic acid, formic acid, nitric acid, glycolic acid, phosphoric acid and the like and mixtures thereof. no. According to a preferred embodiment of the present invention, it is preferable to use citric acid as the neutralizing agent.

According to one embodiment of the present invention, the use of the neutralizing agent is a pH adjusting agent for improving the stability of the preservative. The preferred content as a neutralizing agent is 0.001-10% by weight of the emulsion composition for cosmetics of the present invention. If the content is less than 0.001% by weight based on the total weight of the emulsion composition for cosmetics, the pH may be too high to reach the target standard, and the pH adjuster may need to be added additionally. If the content exceeds 10% by weight, The stability of the emulsion composition for cosmetics may be deteriorated. According to one embodiment of the present invention, it is preferable to use citric acid as a neutralizing agent. Since the citric acid is in a solid state, the citric acid is diluted and easily mixed in an emulsion during use, and the process time can be shortened.

(E) Polyvalent alcohol additive

The emulsion composition for cosmetics of the present invention may further comprise a polyhydric alcohol-based additive. Examples of polyhydric alcohol-based additives that can be used in the present invention include, but are not limited to, propylene glycol (PG), polypropylene glycol (PPG), ethylene glycol (EG), glycerin Lt; / RTI > These polyhydric alcohol-based additives are used for further improving the high-temperature / low-temperature stability of the product and for weakening the flavor of the characteristic raw material such as preservative and the like.

According to one embodiment of the present invention, the content of the polyhydric alcohol additive is preferably 0.1 to 10% by weight based on the total weight of the emulsion composition for cosmetics of the present invention. If the content is less than 0.1% by weight based on the total weight of the emulsion composition for cosmetics, a reaction delay effect can not be obtained. If the content is more than 10% by weight, the effect of the polyhydric alcohol itself on the emulsion is increased, It can not be implemented.

(F) preservatives

When using cosmetics, cosmetics may be deteriorated due to contamination with microorganisms. When cosmetics change, there is a problem with stability, but it can cause skin diseases by microorganisms, which also causes safety problems. In cosmetics, it is preferable to use a mixture of various kinds of preservatives rather than a single preservative in terms of efficacy, so it is preferable to mix them. However, preservatives have a controversial safety that adversely affects the human body.

Therefore, according to one embodiment of the present invention, in addition to the above-mentioned components, the emulsion composition for cosmetics of the present invention may further comprise a preservative. By including preservatives, the storage stability of products can be ensured by suppressing microorganism habit that may occur during product production process and long-term storage. In the field of cosmetics, there is a tendency to avoid use for certain raw materials such as parabens due to human health hazards, and considering the fact that the fragrance and stability of the emulsion itself may vary due to the use of a specific preservative, an appropriate preservative which is harmless to the human body is selected It is very important.

According to one embodiment of the present invention, the preservative includes sodium benzoate, phenoxyethanol, hexanediol, propylene glycol, diazolidinyl urea, imidazolinyl urea, 15 quaternium, di DMH hydantoin, benzalkonium Dichloro-benzyl alcohol, sodium hydroxymethyl-glycinate, triclosan, benzoic acid, chlorobenzoic acid, benzyl alcohol, benzoyl chloride, benzyl alcohol, Wherein the emulsion composition is at least one selected from the group consisting of formaldehyde, formaldehyde, salicylic acid, sodium iodate, sorbic acid, calcium benzoate, methyl benzoate, benzyl benzoate and alkyl benzoate. According to a preferred embodiment of the present invention, the emulsion composition for cosmetics of the present invention does not contain a methylchloroisocyanurin / methylisocyanurin mixture, methylisocyanurine and parabens as preservatives.

On the other hand, the preferred amount of the preservative is 0.001-10 wt%, preferably 0.1-5 wt%, based on the total weight of the emulsion composition for cosmetics of the present invention. If the content is less than 0.001% by weight based on the total weight of the emulsion, the preservative effect is not exhibited and the microorganism may be corrupted. If the content exceeds 10% by weight, an antiseptic agent may be added excessively. According to one embodiment of the present invention, it is preferable to use sodium benzoate as a preservative. In the case of the sodium benzoate, since it is in a solid state, it is diluted and easily mixed in an emulsion during use, .

The emulsion composition for cosmetics of the present invention may be prepared in any cosmetic formulations conventionally produced in the art and may be in the form of solutions, suspensions, emulsions, pastes, gels, creams, lotions, powders, -Containing cleansing, oils, powder foundations, emulsion foundations, wax foundations and sprays, but are not limited thereto. For example, according to one embodiment of the present invention, the emulsion composition for cosmetics of the present invention can be used as a cosmetic composition for cosmetics such as a soft lotion, a nutritional lotion, a nutritional cream, a massage cream, an essence, an eye cream, a cleansing cream, a cleansing foam, a cleansing water, . ≪ / RTI >

When the formulation of the present invention is a paste, cream or gel, an animal oil, vegetable oil, wax, paraffin, starch, tracant, cellulose derivative, polyethylene glycol, silicone, bentonite, silica, talc or zinc oxide may be used as the carrier component . When the formulation of the present invention is a powder or a spray, lactose, talc, silica, aluminum hydroxide, calcium silicate or polyamide powder may be used as a carrier component. In the case of a spray, in particular, / Propane or dimethyl ether. When the formulation of the present invention is a solution or an emulsion, a solvent, a dissolving agent or an emulsifying agent is used as a carrier component, and examples thereof include water, ethanol, isopropanol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, , 3-butyl glycol oil, glycerol aliphatic ester, polyethylene glycol or sorbitan fatty acid esters. In the case where the formulation of the present invention is a suspension, a carrier such as water, a liquid diluent such as ethanol or propylene glycol, a suspending agent such as ethoxylated isostearyl alcohol, polyoxyethylene sorbitol ester and polyoxyethylene sorbitan ester, Cellulose, aluminum metahydroxide, bentonite, agar or tracant, etc. may be used. When the formulation of the present invention is an interfacial active agent-containing cleansing, the carrier component may include aliphatic alcohol sulfate, aliphatic alcohol ether sulfate, sulfosuccinic acid monoester, isethionate, imidazolinium derivative, methyltaurate, sarcosinate, fatty acid amide Ether sulfates, alkylamidobetaines, aliphatic alcohols, fatty acid glycerides, fatty acid diethanolamides, vegetable oils, lanolin derivatives, or ethoxylated glycerol fatty acid esters.

The emulsion composition for cosmetics of the present invention can be used alone or in combination, or can be used in combination with other cosmetic compositions other than those disclosed in the present invention, and can be used in accordance with the usual methods of use. The number of times of use can be varied depending on the state or taste.

Meanwhile, the emulsion composition for cosmetics of the present invention can be prepared by appropriately mixing the components as described above using known equipment and methods, and the mixing order of the components is not particularly limited.

According to a preferred embodiment of the present invention, the method for producing an emulsion composition for cosmetics of the present invention comprises

(1) adding polydimethylsiloxane and a nonionic surfactant to a reactor and stirring the same;

(2) adding the first water component to the resulting mixture of the first step and stirring the mixture;

(3) After adding a preservative to the second part of water and heat-stirring, a polyhydric alcohol-based additive component or a nonionic surfactant is added and stirred, a neutralizing agent is added and stirred, and water is added to the third part and stirred to prepare a premix solution step;

(4) adding the premix solution to the resultant mixture of the second step and stirring the mixture;

(5) adding the fourth water component to the resulting mixture of the fourth step and stirring the mixture.

According to an embodiment of the present invention, in the first step, a mixture of polydimethylsiloxane and a nonionic surfactant is added to the reactor and stirred at 200-1,000 rpm for 10-60 minutes at room temperature. According to another embodiment of the present invention, the polydimethylsiloxane is preferably a mixture of a low viscosity polydimethylsiloxane having a viscosity range of 100-50,000 cP and a high viscosity polydimethylsiloxane having a viscosity range of 50,000-20,000,000 cP.

According to one embodiment of the present invention, in the second step, it is preferable to add water first to the resultant mixture of the first step and stir at room temperature in the range of 500-1,000 rpm for 50-180 minutes. According to another embodiment of the present invention, in the second step, the water primary fraction is 5 to 20 wt% of the total weight of the emulsion composition for cosmetics, and the agitation is preferably performed in the range of 700 to 1,000 rpm.

According to one embodiment of the present invention, the premix solution of the third step is prepared by adding a preservative to 0.1 to 10% by weight of water, preferably deionized water, at 90-150 rpm, After that, the polyhydric alcohol additive component or the nonionic surfactant is added thereto, followed by stirring at 90-150 rpm for 1-20 minutes at room temperature. Adding a neutralizing agent thereto, stirring the mixture at 90-150 rpm for 1-20 minutes at room temperature, adding 1-20% by weight of water, preferably deionized water, and stirring at 90-150 rpm for 1-20 minutes at room temperature . According to another embodiment of the present invention, in step (3), 0.001-10% by weight of a preservative, 0.1-10% by weight of a polyhydric alcohol additive, and 0.001-10% by weight of a neutralizing agent are contained relative to the total weight of the emulsion composition for cosmetics . According to one embodiment of the present invention, the preservative may be at least one selected from the group consisting of sodium benzoate, calcium benzoate, methyl benzoate, benzyl benzoate, and alkyl benzoate, but is not limited thereto. According to a preferred embodiment of the present invention, the premix solution may be prepared in advance before the first step or the second step.

According to one embodiment of the present invention, it is preferable that the premix solution is added to the resultant mixture in the second step and stirred at room temperature in the range of 500-1,000 rpm for 10-60 minutes.

According to an embodiment of the present invention, in the fourth step, the premix solution is added and stirred at room temperature for 10 to 60 minutes.

According to one embodiment of the present invention, it is preferable to add 1-30 wt% of water quaternary to the resultant mixture of the fourth step and stir at 500-1000 rpm for 10-60 minutes at room temperature.

According to one embodiment of the present invention, an emulsion can be prepared by applying sodium benzoate alone, which does not adversely affect the human body and is not a matter of stability. In the case of sodium benzoate, it contains a specific odor. When it reacts with the neutralizing agent, benzoic acid is produced to show a strong sour taste, which may affect the flavor of the emulsion finished product. According to another embodiment of the present invention, the neutralizing agent may be prepared by applying phosphoric acid having a mild flavor.

Since the fragrance is very important in cosmetics emulsions, it is possible to proceed with a process change to produce an emulsion having a mild flavor. Conventionally, a step of adding a preservative or a neutralizing agent to the last step when it is added is commonly used, but an emulsion in which sodium benzoate is put in such a manner may be strongly generated during the production.

According to a preferred embodiment of the present invention, the following can be considered as an improvement process for this. It is possible to make the premix solution and to have the effect that the perfume is greatly improved when it is put into phase transition phase. The preparation method of the premix solution may be carried out by adding and dispersing a preservative in a small amount of water, adding a nonionic surfactant when the dispersion state is good, and then adding a neutralizing agent and water sequentially after the addition, but not limited thereto. The nonionic surfactant is preferably a high HLB. At this time, it is preferable to confirm a transparent appearance. This is because the nonionic surfactant inhibits the immediate reaction of sodium benzoate with the acid, thereby inhibiting the generation of benzoic acid. According to one embodiment of the present invention, the anti-buoyancy evaluation is performed to confirm the effect on the anti-buoyancy due to the process change, and as a result, the anti-buoyancy is also excellent because it has the characteristic of sodium benzoate alone.

According to one embodiment of the present invention, the polydimethylsiloxane used in the first step is selected from the group consisting of low viscosity polydimethylsiloxanes having a viscosity range of 100-50,000 cP, preferably 1,000-30,000 cP and 50,000-20,000,000 cP, Is preferably used as a mixture of high viscosity polydimethylsiloxanes having a viscosity range of 100,000-10,000,000 cP, but is not limited thereto.

According to a preferred embodiment of the present invention, an emulsion phase transition (W / O-> O / W) may not occur when the content of water first component is less than 5% by weight of the total weight of the emulsion composition for cosmetics, The particle size of the emulsion becomes large and the stability may not be good. According to a preferred embodiment of the present invention, when the particle size of the emulsion is 3 mu m or less, the stability at normal temperature and high temperature can be improved.

Hereinafter, the present invention will be described in detail with reference to examples.

However, the following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1: Preparation of the emulsion composition for cosmetics of the present invention (1)

A high viscosity polydimethylsiloxane having a viscosity of 2,500,000 cP and a low viscosity polydimethylsiloxane having a viscosity of 500 cP were mixed at a weight ratio of 1: 2 to obtain a mixture of 60 wt% of polydimethylsiloxane having a viscosity of 200,000 cP and a low HLB ratio of HLB 7 as a nonionic surfactant component 2.5% by weight of anionic surfactant (polyoxyethylene alkyl ether) and 3.5% by weight of a high-HLB nonionic surfactant (polyoxyethylene alkyl ether) of HLB 16 were put into a mixing vessel and stirred at 500 rpm for 30 minutes. 5% by weight of water (deionized water) was charged at a high speed (800 rpm), and then the raw material was prepared in advance and charged into the reactor. The raw material to be prepared in advance was 1.5% by weight of water (deionized water) second part and 0.5% by weight of antiseptic component (sodium benzoate), and the mixture was stirred at 100 rpm for 5 minutes. Then, HLB 16 high HLB nonionic surfactant Ethylene alkyl ether), and the mixture was stirred at 100 rpm for 5 minutes. Then, 0.25% by weight of citric acid as a neutralizing agent was added and stirred at 100 rpm for 5 minutes. Then, 8.75% by weight of tertiary portion of water (deionized water) was added and stirred at 100 rpm for 5 minutes. The mixture was stirred at 800 rpm for 20 minutes at room temperature Followed by stirring and vacuum degassing. Subsequently, 17.5% by weight of water (deionized water) was added in an amount of 17.5% by weight, followed by stirring at 500 rpm for 20 minutes at room temperature and a vacuum degassing step to prepare the emulsion composition for cosmetics of the present invention.

Example 2: Preparation of the emulsion composition for cosmetics of the present invention (2)

A high viscosity polydimethylsiloxane having a viscosity of 2,500,000 cP and a low viscosity polydimethylsiloxane having a viscosity of 500 cP were mixed at a weight ratio of 1: 2 to obtain a mixture of 60 wt% of polydimethylsiloxane having a viscosity of 200,000 cP and a low HLB ratio of HLB 7 as a nonionic surfactant component 2.5% by weight of anionic surfactant (polyoxyethylene alkyl ether) and 3.5% by weight of a high-HLB nonionic surfactant (polyoxyethylene alkyl ether) of HLB 16 were put into a mixing vessel and stirred at 500 rpm for 30 minutes. 5% by weight of water (deionized water) was charged at a high speed (800 rpm), and then the raw materials were prepared in advance and charged into the reactor. The raw material to be prepared in advance was 0.5% by weight of the antiseptic component (sodium benzoate) in 1.5% by weight of water (deionized water) second portion and heat stirred at 100 rpm for 5 minutes. Then, HLB 16 high HLB nonionic surfactant Ethylene alkyl ether) were added, and the mixture was stirred at 100 rpm for 5 minutes. Then, 0.25% by weight of citric acid as a neutralizing agent was added and stirred at 100 rpm for 5 minutes. Then, 8.75% by weight of tertiary portion of water (deionized water) was added and stirred at 100 rpm for 5 minutes. The mixture was stirred at 800 rpm for 20 minutes at room temperature Followed by stirring and vacuum degassing. Subsequently, 17% by weight of water (deionized water) was added at 17% by weight, and the mixture was stirred at 500 rpm for 20 minutes at room temperature and subjected to a vacuum degassing step to prepare an emulsion composition for cosmetics of the present invention.

Example 3: Preparation of the emulsion composition for cosmetics of the present invention (3)

A high viscosity polydimethylsiloxane having a viscosity of 2,500,000 cP and a low viscosity polydimethylsiloxane having a viscosity of 500 cP were mixed at a weight ratio of 1: 2 to obtain a mixture of 60 wt% of polydimethylsiloxane having a viscosity of 200,000 cP and a low HLB ratio of HLB 7 as a nonionic surfactant component 2.5% by weight of anionic surfactant (polyoxyethylene alkyl ether) and 2.5% by weight of a high HLB nonionic surfactant (polyoxyethylene alkyl ether) of HLB 16 were put into a mixing vessel and stirred at 500 rpm for 30 minutes. 5% by weight of water (deionized water) was charged at a high speed (800 rpm), and then the raw materials were prepared in advance and charged into the reactor. The raw material to be prepared in advance was 0.5% by weight of the antiseptic component (sodium benzoate) in 1.5% by weight of water (deionized water) second portion and heat stirred at 100 rpm for 5 minutes. Then, HLB 16 high HLB nonionic surfactant Ethylene alkyl ether), and the mixture was stirred at 100 rpm for 5 minutes. Then, 0.25% by weight of citric acid as a neutralizing agent was added and stirred at 100 rpm for 5 minutes. Then, 8.75% by weight of tertiary portion of water (deionized water) was added and stirred at 100 rpm for 5 minutes. The mixture was stirred at 800 rpm for 20 minutes at room temperature Followed by stirring and vacuum degassing. Subsequently, 17.5% by weight of water (deionized water) was added in an amount of 17.5% by weight, followed by stirring at 500 rpm for 20 minutes at room temperature and a vacuum degassing step to prepare the emulsion composition for cosmetics of the present invention.

Example 4: Preparation of the emulsion composition for cosmetics of the present invention (4)

A high viscosity polydimethylsiloxane having a viscosity of 2,500,000 cP and a low viscosity polydimethylsiloxane having a viscosity of 500 cP were mixed at a weight ratio of 1: 2 to obtain a mixture of 60 wt% of polydimethylsiloxane having a viscosity of 200,000 cP and a low HLB ratio of HLB 7 as a nonionic surfactant component 2.5% by weight of anionic surfactant (polyoxyethylene alkyl ether) and 2.5% by weight of a high HLB nonionic surfactant (polyoxyethylene alkyl ether) of HLB 16 were put into a mixing vessel and stirred at 500 rpm for 30 minutes. 5% by weight of water (deionized water) was charged at a high speed (800 rpm), and then the raw materials were prepared in advance and charged into the reactor. The raw material to be prepared in advance was 0.5% by weight of a preservative component (sodium benzoate) in 1.5% by weight of water (deionized water) second part and heat stirred at 100 rpm for 5 minutes. Then, a low HLB nonionic surfactant of HLB 7 Ethylene alkyl ether) were added, and the mixture was stirred at 100 rpm for 5 minutes. Then, 0.25% by weight of citric acid as a neutralizing agent was added and stirred at 100 rpm for 5 minutes. Then, 8.75% by weight of tertiary portion of water (deionized water) was added and stirred at 100 rpm for 5 minutes. The mixture was stirred at 800 rpm for 20 minutes at room temperature Followed by stirring and vacuum degassing. Subsequently, after 18 wt% of water (deionized water) was added, the emulsion composition for cosmetics of the present invention was prepared by stirring at 500 rpm for 20 minutes at room temperature and by vacuum degassing.

Example 5: Preparation of the emulsion composition for cosmetics of the present invention (5)

A high viscosity polydimethylsiloxane having a viscosity of 2,500,000 cP and a low viscosity polydimethylsiloxane having a viscosity of 500 cP were mixed at a weight ratio of 1: 2 to obtain a mixture of 60 wt% of polydimethylsiloxane having a viscosity of 200,000 cP and a low HLB ratio of HLB 7 as a nonionic surfactant component 2.5% by weight of anionic surfactant (polyoxyethylene alkyl ether) and 2.5% by weight of a high HLB nonionic surfactant (polyoxyethylene alkyl ether) of HLB 16 were put into a mixing vessel and stirred at 500 rpm for 30 minutes. 5% by weight of water (deionized water) was charged at a high speed (800 rpm), and then the raw materials were prepared in advance and charged into the reactor. The raw material to be prepared in advance was 0.5% by weight of a preservative component (sodium benzoate) in 1.5% by weight of water (deionized water) second part and heat stirred at 100 rpm for 5 minutes. Then, a low HLB nonionic surfactant of HLB 7 Ethylene alkyl ether), and the mixture was stirred at 100 rpm for 5 minutes. Then, 0.25% by weight of citric acid as a neutralizing agent was added and stirred at 100 rpm for 5 minutes. Then, 8.75% by weight of tertiary portion of water (deionized water) was added and stirred at 100 rpm for 5 minutes. The mixture was stirred at 800 rpm for 20 minutes at room temperature Followed by stirring and vacuum degassing. Subsequently, 17.5% by weight of water (deionized water) was added in an amount of 17.5% by weight, followed by stirring at 500 rpm for 20 minutes at room temperature and a vacuum degassing step to prepare the emulsion composition for cosmetics of the present invention.

Example 6: Preparation of the emulsion composition for cosmetics of the present invention (6)

A high viscosity polydimethylsiloxane having a viscosity of 2,500,000 cP and a low viscosity polydimethylsiloxane having a viscosity of 500 cP were mixed at a weight ratio of 1: 2 to obtain a mixture of 60 wt% of polydimethylsiloxane having a viscosity of 200,000 cP and a low HLB ratio of HLB 7 as a nonionic surfactant component 2.5% by weight of anionic surfactant (polyoxyethylene alkyl ether) and 2.5% by weight of a high HLB nonionic surfactant (polyoxyethylene alkyl ether) of HLB 16 were put into a mixing vessel and stirred at 500 rpm for 30 minutes. 5% by weight of water (deionized water) was charged at a high speed (800 rpm), and then the raw materials were prepared in advance and charged into the reactor. The raw material to be prepared in advance was 0.5% by weight of a preservative component (sodium benzoate) in 1.5% by weight of water (deionized water) second part and heat stirred at 100 rpm for 5 minutes. Then, propylene glycol (PG) 1.0 By weight, and the mixture was stirred at 100 rpm for 5 minutes. Then, 0.25% by weight of citric acid as a neutralizing agent was added and stirred at 100 rpm for 5 minutes. Then, 8.75% by weight of tertiary portion of water (deionized water) was added and stirred at 100 rpm for 5 minutes. The mixture was stirred at 800 rpm for 20 minutes at room temperature Followed by stirring and vacuum degassing. Subsequently, after 18 wt% of water (deionized water) was added, the emulsion composition for cosmetics of the present invention was prepared by stirring at 500 rpm for 20 minutes at room temperature and by vacuum degassing.

Example 7: Preparation of the emulsion composition for cosmetics of the present invention (7)

A high viscosity polydimethylsiloxane having a viscosity of 2,500,000 cP and a low viscosity polydimethylsiloxane having a viscosity of 500 cP were mixed at a weight ratio of 1: 2 to obtain a mixture of 60 wt% of polydimethylsiloxane having a viscosity of 200,000 cP and a low HLB ratio of HLB 7 as a nonionic surfactant component 2.5% by weight of anionic surfactant (polyoxyethylene alkyl ether) and 2.5% by weight of a high HLB nonionic surfactant (polyoxyethylene alkyl ether) of HLB 16 were put into a mixing vessel and stirred at 500 rpm for 30 minutes. 5% by weight of water (deionized water) was charged at a high speed (800 rpm), and then the raw materials were prepared in advance and charged into the reactor. The raw material to be prepared in advance was 0.5% by weight of a preservative component (sodium benzoate) in an amount of 1.5% by weight of water (deionized water) second part and heat stirred at 100 rpm for 5 minutes. Polypropylene glycol (PPG) 1.0% by weight, and the mixture was stirred at 100 rpm for 5 minutes. Then, 0.25% by weight of citric acid as a neutralizing agent was added and stirred at 100 rpm for 5 minutes. Then, 8.75% by weight of tertiary portion of water (deionized water) was added and stirred at 100 rpm for 5 minutes. The mixture was stirred at 800 rpm for 20 minutes at room temperature Followed by stirring and vacuum degassing. Subsequently, after 18 wt% of water (deionized water) was added, the emulsion composition for cosmetics of the present invention was prepared by stirring at 500 rpm for 20 minutes at room temperature and by vacuum degassing.

Comparative Example 1. Preparation of emulsion composition for conventional cosmetics (1)

(Polyoxyethylene alkyl ether) in the range of HLB 5-12 and HLB 12-20 was added to 60% by weight of polydimethylsiloxane having a viscosity of 500,000 cP, and then the mixture was stirred at 500 rpm for 30 minutes Lt; / RTI > 5% by weight of water (deionized water) was added and stirred at 700 rpm, followed by addition of 30.88% by weight of water (deionized water). Thereafter, the preservative component (CMIT / MIT) was added in an amount of 0.12 wt% and stirred for 10 minutes to prepare an emulsion composition for cosmetics.

Comparative Example 2: Preparation of emulsion composition for conventional cosmetics (2)

(Polyoxyethylene alkyl ether) in the range of HLB 5-12 and HLB 12-20 was added to 60% by weight of polydimethylsiloxane having a viscosity of 500,000 cP, and then the mixture was stirred at 500 rpm for 30 minutes Lt; / RTI > 10% by weight of water (deionized water) was added, stirred at 700 rpm, and then 25.88% by weight of water (deionized water) was further added. Thereafter, the preservative component (CMIT / MIT) was added in an amount of 0.12 wt% and stirred for 10 minutes to prepare an emulsion composition for cosmetics.

Comparative Example 3: Preparation of emulsion composition for conventional cosmetics (3)

(Polyoxyethylene alkyl ether) in the range of HLB 5-12 and HLB 12-20 was added to 60% by weight of polydimethylsiloxane having a viscosity of 500,000 cP, and then the mixture was stirred at 500 rpm for 30 minutes Lt; / RTI > 15% by weight of water (deionized water) was added and stirred at 700 rpm, followed by addition of 20.88% by weight of water (deionized water). Thereafter, the preservative component (CMIT / MIT) was added in an amount of 0.12 wt% and stirred for 10 minutes to prepare an emulsion composition for cosmetics.

Comparative Example 4: Preparation of emulsion composition for conventional cosmetics (4)

(Polyoxyethylene alkyl ether) in the range of HLB 5-12 and HLB 12-20 was added to 60% by weight of polydimethylsiloxane having a viscosity of 500,000 cP, and then the mixture was stirred at 500 rpm for 30 minutes Lt; / RTI > 20% by weight of water (deionized water) was added, stirred at 700 rpm, and then 15.88% by weight of water (deionized water) was further added. Thereafter, the preservative component (CMIT / MIT) was added in an amount of 0.12 wt% and stirred for 10 minutes to prepare an emulsion composition for cosmetics.

Experimental Example 1. Comparison of Viscosity and Particle Size of Emulsion Composition for Cosmetics

The viscosity and particle size of each of the emulsion compositions for cosmetics prepared in the above Comparative Examples and Examples were compared and the results are shown in Table 1. At this time, the viscosity of the composition was measured with a brookfeild LVT viscometer, SPINDLE 64, RPM 30 RPM at room temperature. The particle size of the composition was measured using a MASTER SIZE 2000 instrument from MALVERN.

Comparison of Viscosity and Particle Size of Cosmetic Emulsion Composition Kinds The viscosity (cP) Particle size Example 1 3,621 1.5 탆 Example 2 3,728 0.9 탆 Example 3 3,500 0.6 탆 Example 4 3,700 0.89 탆 Example 5 3,385 0.65 탆 Example 6 2,902 0.92 탆 Example 7 2,664 0.89 탆 Comparative Example 1 6,500 5 탆 Comparative Example 2 6,438 8 ㎛ Comparative Example 3 6,387 12 탆 Comparative Example 4 6,629 23 ㎛

In order to confirm the stability of the emulsion composition at normal temperature and high temperature, the mixture was allowed to stand for 7 days to confirm phase separation. As the particle size was smaller, the stability at room temperature and high temperature could be secured without adding a thickener (Table 2). In the case of Comparative Example 3 and Comparative Example 4, the lower separation phenomenon occurred after one week at room temperature.

Room temperature / high temperature stability result (7 days elapsed) division Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 stability At room temperature (25 ° C) Good Good Good Good Good Good High temperature (50 ℃) Good Good Good Good Good Good division Example 7 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 stability At room temperature (25 ° C) Good Good Good detach detach High temperature (50 ℃) Good detach detach detach detach

Experimental Example  2. Comparison of cleaning and conditioning effects

The cleaning and conditioning effects were evaluated for the emulsions prepared according to the Examples and Comparative Examples. To this end, the emulsion composition for cosmetics prepared according to Example 1-7 and Comparative Example 1-4 was diluted with water to a concentration of 2.0%, and the cleaning and conditioning effect was evaluated according to the criteria of Table 3 below. The results are shown in Table 4 below.

Evaluation criteria for cleaning and conditioning effects (Number of persons: 10, average score (full scale: 5 points)) Evaluation items grade Cleaning effect (no foreign matter left)
Wet condition Smoothness
Dry condition smoothness
Light feeling 5: Very good
4: Excellent
3: Usually
2: Poor
1: very bad

Results of cleaning and conditioning effects evaluation division Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Total score 4.36 4.37 4.28 4.16 4.35 3.8 division Example 7 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Total score 3.9 2.5 2.3 2.3 2.7

As can be seen from the above Table 4, it was confirmed that the emulsion composition for cosmetic use of the present invention was superior to the emulsion composition of the comparative example in cleaning and conditioning effect.

Experimental Example 3. Evaluation of Panel Test

A stock solution and a 2.3% dilution of the sample of the emulsion composition for cosmetics of Example 1-7 and Comparative Example 1-4 were prepared. The same container (100-500 ml) was filled with the same amount (1/2 or 1/3) of the cosmetic emulsion composition stock solution and diluent, and panel test was conducted on 10 persons.

Scent test evaluation criteria (The evaluation number is 10 people, average score (perfect score: 5 points)) Evaluation items grade Sour and sour 5: Good fragrance
4: Good
3: Usually
2: Poor
1: very bad

Scent test result division Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Undiluted solution Sum 4.2 4.4 4.3 4.0 3.9 3.7 diluent Sum 4.1 4.5 4.3 3.8 3.7 3.6 division Example 7 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Undiluted solution Sum 3.8 2.8 2.6 2.4 2.7 diluent Sum 3.7 2.1 2.5 2.3 2.9

As can be seen from the above Table 6, it was confirmed that the emulsion composition for cosmetics of the present invention, particularly the emulsion composition of Example 1-3, had a mild flavor Respectively.

Claims (10)

Water, polydimethylsiloxane, a nonionic surfactant, a neutralizing agent, a polyhydric alcohol-based additive, and a preservative. The method according to claim 1,
Wherein the polyhydric alcohol-based additive is at least one selected from the group consisting of propylene glycol (PG), polypropylene glycol (PPG), ethylene glycol (EG) and glycerin (GN). The method according to claim 1,
The preservative may be selected from the group consisting of sodium benzoate, phenoxyethanol, hexanediol, propylene glycol, diazolidinyl urea, imidazolinyl urea, 15 quaternium, di DMH hydantoin, benzalkonium chloride, 2- Benzoic acid, benzoic acid, benzoformate, salicylic acid, sodium dodecaacetate, benzoic acid, benzoic acid, benzoic acid, salicylic acid, salicylic acid, And at least one member selected from the group consisting of sorbic acid, calcium benzoate, methyl benzoate, benzyl benzoate, and alkyl benzoate. The method of claim 3,
Wherein the preservative is at least one selected from the group consisting of sodium benzoate, calcium benzoate, methyl benzoate, benzyl benzoate, and alkyl benzoate. (1) adding polydimethylsiloxane and a nonionic surfactant to a reactor and stirring the same;
(2) adding the first water component to the resulting mixture of the first step and stirring the mixture;
(3) After adding a preservative to the second part of water and heat-stirring, a polyhydric alcohol-based additive component or a nonionic surfactant is added and stirred, and a neutralizing agent is added thereto and stirred. Then, the third part of water is added and stirred to prepare a premix solution step;
(4) adding the premix solution to the resultant mixture of the second step and stirring the mixture;
(5) A method for producing an emulsion composition for cosmetics, which comprises the step of adding a water fourth component to the resultant mixture of the fourth step and stirring. The method of claim 5,
Wherein the preservative is at least one selected from the group consisting of sodium benzoate, calcium benzoate, methyl benzoate, benzyl benzoate, and alkyl benzoate. The method of claim 5,
The method for producing an emulsion composition for cosmetics according to claim 1, wherein the cosmetic emulsion composition comprises 0.001-10 wt% of a preservative, 0.1-10 wt% of a polyhydric alcohol additive, and 0.001-10 wt% of a neutralizing agent. The method of claim 5,
Wherein the water primary fraction in the second step is 5-20 wt% of the total weight of the emulsion composition for cosmetics, and the agitation is in the range of 700-1,000 rpm. The method of claim 5,
In the third step, the water second component is 0.1-10% by weight of the total weight of the emulsion composition for cosmetics, and the mixture is thermally stirred at a temperature of 60 ° C or lower for 1-20 minutes. 1-20% by weight, and the mixture is stirred at room temperature for 1-20 minutes. The method of claim 5,
In the fourth step, the premix solution is added, and the mixture is stirred at room temperature for 10 to 60 minutes. In the fifth step, the water quaternary ingredient is 1-30 wt% of the total weight of the emulsion composition for cosmetic use and stirred at room temperature for 10-60 minutes A method for producing an emulsion composition for cosmetics.