CN114681356A

CN114681356A - Cleansing cosmetic composition having excellent high-temperature stability and method for preparing the same

Info

Publication number: CN114681356A
Application number: CN202111642322.2A
Authority: CN
Inventors: 金辉叶; 郑柱泰; 徐熏基; 李光然; 车永权
Original assignee: Cosmecca Korea Co Ltd
Current assignee: Cosmecca Korea Co Ltd
Priority date: 2020-12-29
Filing date: 2021-12-29
Publication date: 2022-07-01
Anticipated expiration: 2041-12-29
Also published as: KR20220094710A; KR102575391B1; CN114681356B

Abstract

The present invention relates to a cream-like cleansing cosmetic composition comprising an aqueous phase component, an oil phase component and a cleanser phase component, wherein the oil phase component comprises a fatty acid and hydrogenated polyisobutene, has excellent stability even when stored at high temperature for a long time, and is capable of exhibiting sufficient cleansing power while maintaining a cream-like phase and a feeling of use, and a method for producing the same.

Description

Cleansing cosmetic composition having excellent high-temperature stability and method for preparing the same

Technical Field

The present invention relates to a cleansing cosmetic composition in the form of cream and a method for preparing the same, more particularly, the composition comprising an aqueous phase component, an oil phase component and a cleanser phase component, wherein the oil phase component comprises a fatty acid and hydrogenated polyisobutene.

Background

Cleansing refers to a washing action performed to remove dust, metabolites, keratin, and the like on the face and body, and for this purpose, a cleansing agent such as soap, cleansing foam, and the like is used.

The cleansing cosmetic has a cleansing function by a saponification reaction in which an alkali is added to a fatty acid. These cleansing cosmetics have a problem in that the fatty acid itself, which determines the phase, melts when the temperature rises, or the solubility of water contained in the cosmetics gradually increases to dissolve the fatty acid. Therefore, the phases of the cleansing cosmetic are separated, and the original formulation property cannot be completely restored even if the temperature is lowered again, thereby losing the function as a cosmetic.

In recent years, heat in summer, which exceeds 40 ℃, occurs in succession, and products are likely to be exposed to high temperatures, and the temperature in a closed space is also higher than the temperature, so that much attention is required to keep products in storage.

Accordingly, the present inventors have developed a cleansing cosmetic composition which can stabilize a fatty acid contained in a cleansing cosmetic, thereby preventing a phase separation of the cosmetic even at a high temperature, and has a dosage form stability and a storage stability.

Disclosure of Invention

Technical problem

The present invention aims to provide a cleansing cosmetic composition having a cleansing function by saponification of a fatty acid, which has excellent stability at a temperature of 50 ℃ or more while maintaining phase and feeling in use, and a method for producing the same.

Technical scheme

The present invention provides a cleansing cosmetic composition in the form of cream comprising a water phase component, an oil phase component and a cleanser phase component, wherein the oil phase component comprises a fatty acid and hydrogenated polyisobutene. Since both the fatty acid and the hydrogenated polyisobutene are included, the hydrogenated polyisobutene stabilizes the fatty acid, and thus may have excellent high-temperature stability.

Advantageous effects

In the cleansing cosmetic composition of the present invention, the melting of fatty acids due to an increase in temperature and the dissolution of fatty acids due to an increase in solubility of water contained in the product are suppressed, so that excellent formulation stability and storage stability can be obtained even when stored at a high temperature of 50 ℃ or more for a long time. In addition, the frost phase can be maintained even when stored at high temperature for a long time.

Drawings

Fig. 1 shows a graph for measuring transmittance of comparative example 1 in experimental example 1.

Fig. 2 shows a graph for measuring transmittance of example 1 in experimental example 1.

Fig. 3 shows a graph for measuring transmittance of example 2 in experimental example 1.

Fig. 4 shows a graph for measuring transmittance of example 3 in experimental example 1.

Fig. 5 shows a graph for measuring transmittance of example 4 in experimental example 1.

Fig. 6 shows a graph for measuring transmittance of example 5 in experimental example 1.

Fig. 7 shows a graph for measuring transmittance of example 6 in experimental example 1.

Fig. 8 shows a graph for measuring transmittance of example 7 in experimental example 1.

Fig. 9 shows a graph for measuring transmittance of example 8 in experimental example 1.

Fig. 10 shows a graph for measuring transmittance of example 9 in experimental example 1.

Fig. 11 shows a graph for measuring transmittance of example 10 in experimental example 1.

Fig. 12 shows a graph for measuring the transmittance of example 11 in experimental example 1.

Fig. 13 shows a graph for measuring transmittance of example 12 in experimental example 1.

FIG. 14 shows a photograph of comparative example 1 and examples 1 to 4 of Experimental example 2, which was visually observed after being stored at 50 ℃ for 1 hour.

FIG. 15 shows a photograph of experimental example 2, which was visually observed after examples 5 to 8 were stored at 50 ℃ for 1 hour.

FIG. 16 shows a photograph of examples 9 to 12 in Experimental example 2, which was visually observed after being stored at 50 ℃ for 1 hour.

Detailed Description

While the invention is susceptible to various modifications and alternative embodiments, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail.

However, it is not intended to limit the scope of the present invention by the specific embodiments, and it should be understood that all changes, equivalents, and substitutions that fall within the spirit and technical scope of the present invention are included.

The present invention provides a cleansing cosmetic composition in the form of cream comprising a water phase component, an oil phase component and a cleanser phase component, wherein the oil phase component comprises a fatty acid and hydrogenated polyisobutene.

The cleansing cosmetic composition of the present invention has a cleansing function by a fatty acid saponification reaction, and if the viscosity of the fatty acid is increased, phase separation at high temperature and loss of the cleansing function can be prevented. Among them, hydrogenated polyisobutene can function as a thickener to increase the viscosity of fatty acids.

That is, when hydrogenated polyisobutene is added, viscosity of fatty acid is increased so that physical distance between molecules is not increased by melting of fatty acid, and thus fatty acid is not melted and has cleaning power.

In the present invention, "high temperature" means a temperature of 40 ℃ or more, 45 ℃ or more, 50 ℃ or more, specifically 50 ℃ or more and 80 ℃ or less, 50 ℃ or more and 70 ℃ or less, 50 ℃ or more and 65 ℃ or less, 50 ℃ or more and 60 ℃ or less.

The hydrogenated polyisobutene may be present in an amount of from 3% to 12% by weight, based on the total weight of the cosmetic composition. Preferably, the hydrogenated polyisobutene may be present in an amount of from 3 to 10 wt.%, from 3 to 9.5 wt.%, from 3.5 to 9.5 wt.%, from 4 to 9 wt.%, from 4.5 to 8.5 wt.%, from 5 to 8 wt.%, based on the total weight of the cosmetic composition. When the content of the hydrogenated polyisobutene is less than 3% by weight, the amount thereof is insufficient to increase the viscosity of the fatty acid, thereby affecting the stability of the dosage form, and phase separation may occur upon storage at high temperature. In addition, when the content of the hydrogenated polyisobutene exceeds 12% by weight, phase separation may occur at high temperature due to the water-repellent property of the hydrogenated polyisobutene.

In one embodiment of the present invention, the fatty acid may include one or more selected from stearic acid, myristic acid, lauric acid, palmitic acid, oleic acid, behenic acid, caproic acid, linoleic acid, and isostearic acid, preferably, may be one or more selected from stearic acid, myristic acid, lauric acid, and palmitic acid, and more preferably, may include stearic acid, myristic acid, lauric acid, and palmitic acid at the same time.

The fatty acid may be contained in an amount of 10 to 50% by weight, based on the total weight of the cosmetic composition. More preferably, the content thereof may be 15 to 50 wt%, 15 to 45 wt%, 20 to 40 wt%, and most preferably, may be 30 wt%. When the content of the fatty acid is less than 10% by weight, cleansing power and stickiness may be insufficient, and when the content of the fatty acid exceeds 50% by weight, stickiness may be excessively high, and there may be a problem in that cleansing power is reduced.

In the cleansing cosmetic composition of the present invention, the aqueous phase component may contain a solvent, a humectant, a chelating agent, a preservative and a pH adjuster, the oil phase component may contain a nonionic surfactant, and the cleanser phase component may contain an amphoteric surfactant.

The solvent may be purified water (water).

The humectant may be a polyhydric alcohol, and in particular may comprise glycerin, PEG-8, butylene glycol, propylene glycol or a mixture thereof, and preferably may comprise a mixture of glycerin and PEG-8. The humectant may be present in an amount of 10 to 60 wt%, preferably, 15 to 55 wt%, 15 to 50 wt%, 20 to 45 wt%, 25 to 45 wt%, or 30 to 40 wt%, based on the total weight of the cosmetic composition. When the content of the humectant is less than 10% by weight, saponification reaction may be not smooth and may result in a reduction in cleaning power, and when the content of the humectant is more than 60% by weight, the preparation moisture content may be insufficient.

The chelating agent may use a chelating agent commonly used in the art without limitation, and Disodium ethylenediaminetetraacetate (Disodium-EDTA) may be preferable. The content of the chelating agent may be 0.05 to 2 wt%, 0.05 to 1.8 wt%, 0.05 to 1.5 wt%, 0.05 to 1 wt%, 0.1 to 1 wt%, 0.3 to 0.8 wt%, and may preferably be 0.5 wt%, based on the total weight of the cosmetic composition. When the content of the chelating agent is less than 0.05 wt%, the stability of the formulation may be deteriorated, and when the content of the chelating agent is more than 2 wt%, irritation may be caused to the skin.

The preservative may use any one commonly used in the art without limitation, and sodium benzoate may be preferred.

The pH adjuster may use pH adjusters commonly used in the art without limitation, and may preferably be potassium hydroxide. The content of the pH adjustor may be 3 to 10 wt%, 3.5 to 9 wt%, 3.5 to 8 wt%, 4 to 7 wt%, 4.5 to 6 wt%, 5 to 6 wt%, and may preferably be 5.4 wt%, based on the total weight of the cosmetic composition. When the content of the pH adjustor is less than 3 wt%, the cleaning force is reduced due to insufficient saponification, and when the content of the pH adjustor is more than 10 wt%, the fatty acid having viscosity also undergoes saponification, so that viscosity may be reduced.

The nonionic surfactant may use nonionic surfactants commonly used in the art without limitation. Specifically, one or more selected from the group consisting of glyceryl stearate, PEG-100 stearate, PEG-40 stearate, PEG-150 distearate, polysorbate 20, polysorbate 60, polysorbate 80, ethylene glycol distearate and laureth-7 may be included, and glyceryl stearate (glyceryl stearate) may be preferable. The content of the nonionic surfactant may be 0.5 to 3 wt%, 0.5 to 2.5 wt%, 0.5 to 2 wt%, 1 to 2 wt%, and may preferably be 1.5 wt%, based on the total weight of the cosmetic composition. When the content of the nonionic surfactant is less than 0.5 wt%, phase separation may occur due to influence on the stability of the dosage form, and when the content of the nonionic surfactant exceeds 3 wt%, the cleaning power may be reduced.

The amphoteric surfactant may use any amphoteric surfactant commonly used in the art without limitation. Specifically, one or more selected from the group consisting of cocamidopropyl betaine, oleamidopropyl betaine, lauryl hydroxysultaine, lauramidopropyl hydroxysultaine, cocamidopropyl hydroxysultaine, sodium lauroamphoacetate, sodium cocoamphoacetate, disodium lauroamphodiacetate, disodium cocoamphodiacetate, disodium lauriminodipropionate, disodium cocoamphodipropionate, sodium laurylaminopropionate, and sodium cocoamphopropionate may be contained, and cocamidopropyl betaine may be preferable. The content of the amphoteric surfactant may be 1 to 5% by weight, 1 to 4.5% by weight, 1 to 4% by weight, 1.5 to 3.5% by weight, 1.5 to 3% by weight, 2 to 3% by weight, and may preferably be 2.4% by weight, based on the total weight of the cosmetic composition. When the content of the amphoteric surfactant is less than 1% by weight or more than 5% by weight, phase separation may occur due to influence on the stability of the dosage form.

In addition, the present invention may further comprise one or more of pigments, chelating agents, antioxidants, bactericides, perfumes, and pigments, which are generally used in cleansing cosmetic compositions, to maintain basic physical properties and qualities.

In addition, the cleansing cosmetic composition of the present invention may be in the form of cream.

The invention also provides a preparation method of the cream-shaped cleaning cosmetic composition.

Specifically, the preparation method of the present invention may comprise: (step A) mixing a humectant, a fatty acid, a nonionic surfactant and hydrogenated polyisobutene at a temperature of 60 ℃ to 100 ℃; (step B) adding a pH adjusting agent to the mixture prepared in step A; and (step C) mixing a chelating agent and an amphoteric surfactant at a temperature of 40 to 80 ℃, and adding to the mixture prepared in step B.

In the step a, the humectant, the fatty acid, the nonionic surfactant and the hydrogenated polyisobutene may be mixed at a temperature of from 70 ℃ to 90 ℃, preferably 80 ℃.

In the step B, after a pH adjusting agent is added to the mixture prepared in the step a, the saponification reaction may be performed for 3 minutes to 10 minutes, preferably 5 minutes.

In the step C, the solvent, the preservative, the chelating agent and the amphoteric surfactant may be mixed at a temperature of 40 to 80 ℃, and added to the mixture prepared in the step B. More specifically, the solvent, the preservative, the chelating agent and the amphoteric surfactant may be mixed at a temperature of 40 ℃ to 80 ℃, preferably 60 ℃, and added to the mixture prepared in step B, followed by mixing.

In addition to steps a to C, the preparation method of the present invention may further include: (step D) cooling the product of the step C to 10 to 35 ℃ while stirring.

The solvent, preservative, humectant, fatty acid, nonionic surfactant, hydrogenated polyisobutene, pH adjuster, chelating agent and amphoteric surfactant used in the preparation method of the present invention are the same as those in the above-described cleansing cosmetic composition of the present invention.

Further, the present invention may provide a cleansing cream product comprising the cleansing cosmetic composition. The cleansing cream product can be in the form of face wash, body wash, hand sanitizer, foam cleanser, body wash, and the like.

Hereinafter, the present invention will be described in more detail by way of examples and the like according to the present invention, but the scope of the present invention is not limited to the examples given below.

Examples

The cosmetic compositions of examples 1 to 12 and comparative example 1 were prepared according to the constituent components and contents (% by weight) shown in the following table 1 and by the following methods.

[ PREPARATION EXAMPLE 1 ]

Raw materials

4, 5, 7, 8, 9, 10, 11 and 12 were weighed in a main beaker and then mixed uniformly at a temperature of 80 ℃ using an AGI mixer. Thereafter, the raw material 6 was weighed in an additional beaker and then slowly added to the mixture in the main beaker, and the saponification reaction was allowed to proceed for 5 minutes. Then, as an aqueous phase,

raw materials

1, 2, 3 and 13 were weighed in a separate beaker and mixed uniformly at a temperature of 60 ℃ by an AGI mixer. The composition in the beaker was then added to the mixture in the main beaker and mixed well. The main beaker was cooled to 25 ℃ while being stirred, thereby preparing the cleansing cosmetic compositions of examples 1 to 12.

[ PREPARATION EXAMPLE 2 ]

The cleansing cosmetic composition of comparative example 1 was prepared according to the same preparation method except that the raw material 12 in the preparation example 1 was not used.

[ TABLE 1 ]

[ Experimental example 1 ] evaluation of Dispersion stability at 50 ℃

For stability evaluation at 50 ℃, transmittance was measured by an instrument for measuring dispersion stability, thereby determining whether phase separation occurred under a temperature condition of 50 ℃. The compositions of examples 1 to 12 and comparative example 1 were placed in a container and the transmittance of the container was measured by the instrument every 25 seconds during 1 hour. If the separation occurs at 50 ℃, the aqueous phase sinks and becomes transparent, and the transmittance at the bottom of the container increases, whereby it can be confirmed that the stability is abnormal. The transmittance measurement results of the compositions of examples 1 to 12 and comparative example 1 are shown in fig. 1 to 13, respectively.

As can be seen from fig. 1 to 13, the transmittance of fig. 1, which is the result of comparative example 1, is the highest and unstable, and the transmittance decreases as the content of hydrogenated polyisobutene increases, so that the effect of preventing the occurrence of separation at high temperature can be confirmed.

[ Experimental example 2 ] visual evaluation of stability at 50 deg.C

The compositions of examples 1 to 12 and comparative example 1 were placed in a container and stored at 50 ℃ for 1 hour to perform a visual evaluation of the stability of the dosage form at 50 ℃. Whether the white cream-like phase was maintained was confirmed by visually observing the lower and upper portions of the container to observe whether or not separation was occurred. The results of visual observation are shown in fig. 14 to 16, respectively.

As can be seen from fig. 14 to 16, the compositions of examples 1 to 12 maintained a frosty phase without phase separation at 50 ℃ as compared with the composition of comparative example 1, and thus were confirmed to have excellent stability.

Claims

1. A cleansing cosmetic composition in cream form comprising an aqueous phase component, an oil phase component and a cleanser phase component, wherein the oil phase component comprises a fatty acid and hydrogenated polyisobutene.

2. The cleansing cosmetic composition according to claim 1 characterized in that the hydrogenated polyisobutene is contained in an amount of 3 to 12% by weight, based on the total weight of the cosmetic composition.

3. The cleansing cosmetic composition according to claim 1 characterized in that the fatty acid is contained in an amount of 10 to 50% by weight based on the total weight of the cosmetic composition.

4. The cleansing cosmetic composition according to claim 1, characterized in that the fatty acid comprises one or more substances selected from stearic acid, myristic acid, lauric acid, palmitic acid, isostearic acid, behenic acid, caproic acid, linoleic acid, and oleic acid.

5. The cleansing cosmetic composition according to claim 1 characterized in that said aqueous phase component comprises a solvent, a humectant, a chelating agent, a preservative and a pH adjuster, said oil phase component comprises a nonionic surfactant and said cleanser phase component comprises an amphoteric surfactant.

6. A cleansing cosmetic composition according to claim 5 characterized in that said amphoteric surfactant comprises one or more substances selected from the group consisting of cocamidopropyl betaine, oleamidopropyl betaine, lauryl hydroxysultaine, lauramidopropyl hydroxysultaine, cocamidopropyl hydroxysultaine, sodium lauroamphoacetate, sodium cocoamphoacetate, disodium lauroamphodiacetate, disodium cocoamphodiacetate, disodium lauriminodipropionate tocopheryl phosphate, disodium cocoamphodipropionate, sodium lauraminopropionate, and sodium cocoamphopropionate.

7. The cleansing cosmetic composition according to claim 5, wherein said nonionic surfactant comprises one or more substances selected from the group consisting of glyceryl stearate, PEG-100 stearate, PEG-40 stearate, PEG-150 distearate, polysorbate 20, polysorbate 60, polysorbate 80, ethylene glycol distearate and laureth-7.

8. The cleansing cosmetic composition according to claim 5 characterized in that the humectant is present in an amount of 10 to 60% by weight based on the total weight of the cosmetic composition.

9. The cleansing cosmetic composition according to claim 5 characterized in that the chelating agent is contained in an amount of 0.05 to 2% by weight based on the total weight of the cosmetic composition.

10. The cleansing cosmetic composition according to claim 5 characterized in that the pH-adjusting agent is contained in an amount of 3 to 10% by weight based on the total weight of the cosmetic composition.

11. The cleansing cosmetic composition according to claim 5 characterized in that the nonionic surfactant is contained in an amount of 0.5 to 3% by weight based on the total weight of the cosmetic composition.

12. The cleansing cosmetic composition according to claim 5, characterized in that the amphoteric surfactant is contained in an amount of 1 to 5% by weight based on the total weight of the cosmetic composition.

13. The cleansing cosmetic composition according to claim 1 characterized by having excellent stability at a temperature of 50 ℃ to 80 ℃.

14. A method of preparing a cleansing cosmetic composition in cream form comprising:

step A, mixing a humectant, a fatty acid, a nonionic surfactant and hydrogenated polyisobutene at a temperature of 60 ℃ to 100 ℃; step B, adding a pH regulator into the mixture prepared in the step A; and a step C of mixing a chelating agent and an amphoteric surfactant at a temperature of 40 ℃ to 80 ℃ and adding to the mixture prepared in the step B.

15. The method for preparing a cleansing cosmetic composition according to claim 14, further comprising: and a step D of cooling the product obtained in the step C to 10 to 35 ℃ while stirring the product.

16. The method for producing a cleansing cosmetic composition according to claim 14, wherein the fatty acid comprises one or more substances selected from stearic acid, myristic acid, lauric acid, palmitic acid, isostearic acid, behenic acid, caproic acid, linoleic acid, and oleic acid.

17. A cleansing cream product comprising the cleansing cosmetic composition according to any one of claims 1 to 13.