Method of Manufacturing a Cleansing Composition in the Form of Gel and the Cleansing Composition in the Form of Gel Produced thereby

Abstract

The present invention provides a method for preparing a gel-shaped cleansing composition comprising the steps of: preparing a surfactant, a fatty acid, a neutralizing agent, a viscosity modifier, a humectant, a fragrance, and a solvent; mixing the surfactant, which includes one or more selected from the group consisting of lauramidopropylamine oxide, cocamidopropyl betaine, sodium lauryl sulfate, sodium cocoyl glycinate, and decyl glucoside, and the fatty acid, and raising the temperature to 75 to 80°C to prepare a fatty acid mixture; adding the neutralizing agent and the solvent to the fatty acid mixture and stirring to prepare a neutralized mixture; adding the viscosity modifier and the humectant to the neutralized mixture and stirring to prepare a thickening mixture; and, after cooling the thickening mixture by a first step, adding and mixing the fragrance, and then cooling and stirring the thickening mixture with the fragrance added by a second step.

Description

Technology Field

[0001] The present invention relates to a method for preparing a gel-shaped cleansing composition and a gel-shaped cleansing composition prepared therefrom. Background Technology

[0003] In modern society, due to fine dust, air pollution, and the frequent use of makeup products, the accumulation of waste and sebum occurs frequently not only on the surface of the skin but also deep within the pores. Consequently, in order to maintain skin health and beauty, there is a steadily increasing demand for cleansing products that can effectively remove residual impurities from within the pores while minimizing skin irritation during the daily cleansing process.

[0004] Generally, cleansing compositions are available in various formulations such as soap, oil, gel, and foam, each possessing distinct advantages and limitations. For instance, traditional soap formulations offer excellent cleansing power but tend to strip the skin of excessive moisture after use, often leading to a tight, dry feeling. Oil cleansing is effective for removing makeup but frequently leaves a residue, requiring a second cleansing step. Gel-type cleansing formulations apply gently to the skin but suffer from low cleansing satisfaction due to insufficient lathering. Conversely, foam formulations provide rich lather but have limitations, such as difficulty maintaining a stable semi-solid state and the potential for viscosity changes or separation during long-term storage.

[0005] In addition, it has been reported that a significant number of existing cleansers cause skin barrier damage in the process of increasing cleansing power, or cause skin irritation and dryness due to the use of high concentrations of surfactants. Therefore, the development of a stable formulation that can simultaneously ensure cleansing power, usability, and skin compatibility remains an unresolved challenge.

[0006] Against this backdrop, there is a need to develop a hypoallergenic cleansing composition that generates rich, fine foam during the cleansing process to effectively remove impurities and sebum from pores, while maintaining skin moisture after cleansing to minimize tightness. Prior art literature

[0008] Korean Registered Patent No. 10-2271354 The problem to be solved

[0009] The problem that the present invention aims to solve is to provide a gel-type cleansing composition having uniform viscosity and formulation stability by preparing a surfactant, fatty acid, neutralizing agent, viscosity modifier, humectant, fragrance, and solvent, and by sequential stirring and gradual cooling, thereby generating rich, fine foam during the cleansing process to effectively remove waste and sebum from within the pores. Furthermore, it can minimize tightness by maintaining skin moisture even after cleansing, and as a low-irritation formulation, it can be safely used even on sensitive skin. Moreover, the gel-type cleansing composition of the present invention provides a unique sensation of transitioning from a semi-solid gel type to a foam type due to the characteristics of the formulation upon use. means of solving the problem

[0011] To solve the above problem, the present invention provides a method for preparing a gel-type cleansing composition comprising the steps of: preparing a surfactant, a fatty acid, a neutralizing agent, a viscosity modifier, a humectant, a fragrance, and a solvent; mixing the said surfactant, which includes one or more selected from the group consisting of lauramidopropylamine oxide, cocamidopropyl betaine, sodium lauryl sulfate, sodium cocoyl glycinate, and decyl glucoside, and said fatty acid, and raising the temperature to 75 to 80°C to prepare a fatty acid mixture; adding the said neutralizing agent and the said solvent to the said fatty acid mixture and stirring to prepare a neutralized mixture; adding the said viscosity modifier and the said humectant to the said neutralized mixture and stirring to prepare a thickening mixture; and, after cooling the said thickening mixture once, adding and mixing the said fragrance, and then cooling and stirring the thickening mixture with the added fragrance a second time. Furthermore, to solve the above problem, the present invention provides a gel-type cleansing composition. Furthermore, to solve the above problem, the present invention provides a cleaning agent comprising a gel-type cleansing composition. Effects of the invention

[0013] The method for preparing a gel-shaped cleansing composition according to the present invention and the gel-shaped cleansing composition prepared therefrom maintain uniform viscosity and formulation stability by sequentially dissolving and stirring a surfactant, a fatty acid, a neutralizing agent, a viscosity modifier, a humectant, a fragrance, and a solvent. Accordingly, stable foam formation occurs during the cleansing process, ensuring a consistent user experience, and formulation stability is maintained even during storage. Furthermore, the gel-shaped cleansing composition of the present invention can effectively remove impurities and sebum from pores through rich, fine foam, and provides the effect of low-irritation cleansing by minimizing skin irritation through the high saponification rate of fatty acids and a stable pH. Brief explanation of the drawing

[0015] Figure 1 shows the manufacturing process of a gel-shaped cleansing composition according to the present invention. Specific details for implementing the invention

[0016] Hereinafter, various embodiments of the present invention are described with reference to the accompanying drawings. The present invention is not limited to specific embodiments and should be understood to include various modifications, equivalents, and / or alternatives of the embodiments of the present invention.

[0017] In this document, expressions such as "have," "may have," "include," or "may include" refer to the existence of the relevant feature (e.g., components such as numerical values, components, effects, etc.) and do not exclude the existence of additional features. In other words, throughout the specification, when a part is described as "including" a component, unless specifically stated otherwise, this means that it may include additional components rather than excluding other components.

[0018] In this document, expressions such as “A or B,” “at least one of A or / and B,” or “one or more of A or / and B” may include all possible combinations of items listed together. For example, “A or B,” “at least one of A and B,” or “at least one of A or B” may refer to cases including (1) at least one A, (2) at least one B, or (3) both at least one A and at least one B.

[0019] As used in this document, the expression "configured to" may be replaced, depending on the context, with, for example, "suitable for," "having the capacity to," "adapted to," "made to," or "capable of." The term "configured to" does not necessarily mean "specifically designed to."

[0020] The terms used in this document are used merely to describe specific embodiments and are not intended to limit the scope of other embodiments. Singular expressions may include plural expressions unless the context clearly indicates otherwise. Terms used herein, including technical or scientific terms, may have the same meaning as generally understood by those skilled in the art described in this document. Terms used in this document that are defined in general dictionaries may be interpreted as having the same or similar meaning as they have in the context of the relevant technology, and are not to be interpreted in an ideal or overly formal sense unless explicitly defined in this document. In some cases, even terms defined in this document shall not be interpreted to exclude the embodiments of this document.

[0022] The present invention will be described in detail below with reference to the attached drawings.

[0023] Figure 1 shows the manufacturing process of a gel-shaped cleansing composition according to the present invention.

[0024] Referring to FIG. 1, a method for preparing a gel-shaped cleansing composition according to one embodiment of the present invention comprises the steps of: preparing a surfactant, a fatty acid, a neutralizing agent, a viscosity modifier, a humectant, a fragrance, and a solvent; mixing the surfactant, which comprises one or more selected from the group consisting of lauramidopropylamine oxide, cocamidopropyl betaine, sodium lauryl sulfate, sodium cocoyl glycinate, and decyl glucoside, with the fatty acid and raising the temperature to 75 to 80°C to prepare a fatty acid mixture; adding the neutralizing agent and the solvent to the fatty acid mixture and stirring to prepare a neutralized mixture; adding the viscosity modifier and the humectant to the neutralized mixture and stirring to prepare a thickening mixture; and adding the fragrance to the thickening mixture, mixing after a first cooling step, and then cooling and stirring the thickening mixture mixed after the first cooling step. Each step is described in detail below.

[0025] The step involves preparing a surfactant, fatty acid, neutralizing agent, viscosity modifier, humectant, fragrance, and solvent. This step is intended to prepare the raw materials in advance so that homogeneous mixing and reaction can occur in subsequent processes. Accordingly, the surfactant, fatty acid, neutralizing agent, viscosity modifier, humectant, fragrance, and solvent may be prepared in amounts of 10 to 30% by weight, 5 to 20% by weight, 5 to 8% by weight, 3 to 5% by weight, 1 to 10% by weight, 0.1 to 1% by weight, and 30 to 70% by weight, respectively, based on the total weight of the cleansing composition.

[0026] The above surfactant lowers the water-oil boundary to remove contaminants, forms foam during washing, and provides foam stability to improve cleaning power and usability, while simultaneously alleviating skin irritation. The above surfactant may be one or more selected from the group consisting of amine oxide-based, betaine-based, anionic-based, amino acid-based, and nonionic surfactants. The above amine oxide-based surfactant may be one or more selected from the group consisting of lauramidopropylamine oxide, myristamidopropylamine oxide, lauryl dimethylamine oxide, cetyl dimethylamine oxide, stearyl dimethylamine oxide, and cocamidopropylamine oxide, and preferably may be lauramidopropylamine oxide. In addition, it may include one or more selected from the group consisting of the above-mentioned betaine-based surfactants, lauramidopropylamine betaine, cocamidopropyl betaine, and lauryl betaine, and preferably, it may be cocamidopropyl betaine. Furthermore, the above-mentioned anionic surfactant may be selected as sodium lauryl sulfate. The above-mentioned amino acid-based surfactant may be selected as sodium cocoyl glycinate. The above-mentioned nonionic surfactant may be selected as decyl glucoside.

[0027] Accordingly, the weight ratio of the amine oxide-based surfactant and the betaine-based surfactant may be 1:0.1 to 1. Specifically, the weight ratio of the amine oxide-based surfactant and the betaine-based surfactant may be 1:0.3 to 0.6. More specifically, the weight ratio of the amine oxide-based surfactant and the betaine-based surfactant may be 1:0.5. If the content of the betaine-based surfactant is below the numerical range, the low-irritation effect may decrease and skin irritation during cleansing may increase; if it exceeds the numerical range, phase separation may occur due to viscosity instability, and the film may become excessively soft, leading to reduced foam stability due to foam merging. Additionally, the surfactant may be included in an amount of 10 to 30 weight% based on the total weight of the cleansing composition. Specifically, the surfactant may be included in an amount of 15 to 25 weight% based on the total weight of the cleansing composition. If the content of the above surfactant is below the numerical range, sebum and protein contamination may not be separated well, which may reduce cleaning power; if it exceeds the numerical range, the viscosity may become excessively low or high, which may reduce formulation stability and cause excessive foaming, making washing and rinsing difficult.

[0028] The above fatty acid reacts with a neutralizing agent that is a base to saponify and form a surfactant, thereby providing cleaning power by emulsifying and dispersing contaminants, and can stabilize bubbles by adsorbing to the interface and increase the viscosity and emulsion stability of the formulation. The above fatty acid may include one or more selected from the group consisting of lauric acid, myristic acid, palmitic acid, and stearic acid.

[0029] Accordingly, the above fatty acid may be included in an amount of 5 to 20 weight% based on the total weight of the cleansing composition. Specifically, the above fatty acid may be included in an amount of 10 to 15 weight% based on the total weight of the cleansing composition. If the content of the above fatty acid is below the numerical range, the saponification reaction is insufficient, which may reduce the cleansing power and the foam stability may be reduced because the surfactant does not sufficiently form a structure; if it exceeds the numerical range, the viscosity may become uneven and phase separation may occur due to the residual fatty acid, which may reduce the formulation stability.

[0030] The above neutralizing agent is a basic substance that reacts with fatty acids to induce saponification, thereby forming a fatty acid salt with cleansing power, and can adjust the pH of the formulation to alleviate skin irritation while simultaneously ensuring viscosity and emulsion stability. The above neutralizing agent may include one or more selected from the group consisting of triethanolamine, tromethamine, aminomethylpropanediol, and arginine.

[0031] Accordingly, the above neutralizing agent may be included in an amount of 5 to 8 weight percent based on the total weight of the cleansing composition. Specifically, the above neutralizing agent may be included in an amount of 6 to 7 weight percent based on the total weight of the cleansing composition. If the content of the above neutralizing agent is below the numerical range, the saponification reaction is insufficient, so fatty acids are not completely neutralized, which may reduce cleansing power and foam generation; if it exceeds the numerical range, the pH may rise due to residual base, causing skin irritation, and excessive saponification may reduce viscosity, resulting in a reduced user experience.

[0032] The above viscosity modifier improves viscosity by controlling the interaction between the solvent and the fatty acid salt to form a network structure within the cleansing composition, thereby controlling the feel and foam stability. The above viscosity modifier may use one or more of polyethylene-based viscosity modifiers or acrylic-based viscosity modifiers.

[0033] Accordingly, the viscosity modifier may be included in an amount of 3 to 5 weight percent based on the total weight of the cleansing composition. Specifically, the viscosity modifier may be included in an amount of 4 weight percent based on the total weight of the cleansing composition. If the content of the viscosity modifier is below the numerical range, the network formation between the solvent and the fatty acid salt is insufficient, resulting in a lower viscosity and potentially reduced formulation stability and foam stability. If it exceeds the numerical range, the viscosity may become excessively high, preventing the formulation from spreading smoothly or limiting the expansion and diffusion of bubbles, which may result in reduced foam formation ability.

[0034] The above moisturizer forms hydrogen bonds with moisture in the skin or within the formulation to prevent moisture evaporation, thereby increasing moisture retention capacity, and can prevent dryness or irritation by homogenizing the moisture distribution within the formulation. The above moisturizer may include one or more selected from the group consisting of glycerin, propylene glycol, butylene glycol, sorbitol, propanediol, and methylpropanediol.

[0035] Accordingly, the above moisturizer may be included in an amount of 1 to 10 weight percent based on the total weight of the cleansing composition. Specifically, the above moisturizer may be included in an amount of 4 to 7 weight percent based on the total weight of the cleansing composition. If the content of the above moisturizer is below the numerical range, the moisture retention capacity within the formulation is reduced, which may cause skin tightness and dryness after cleansing; if it exceeds the numerical range, excessive moisture binding may increase viscosity and cause stickiness and residue.

[0036] The above fragrance can improve the quality of the product by removing or neutralizing the odor characteristic of the raw materials that may occur from each component in the cleansing composition. The above fragrance is not particularly limited as long as it is one that can typically be contained in the cleansing composition, but preferably, natural herbal fragrances such as rosemary and lavender may be used.

[0037] Accordingly, the fragrance may be included in an amount of 0.1 to 1% by weight based on the total weight of the cleansing composition. Specifically, the fragrance may be included in an amount of 0.3 to 0.7% by weight based on the total weight of the cleansing composition. If the content of the fragrance is below the numerical range, it may fail to sufficiently alleviate the characteristic odor of the raw material, which may lead to a deterioration in product quality and a decrease in consumer satisfaction during use; if it exceeds the numerical range, it may cause skin irritation or discomfort during use due to an excessive amount of volatile components.

[0038] The above solvent can dissolve and disperse various components within the cleansing composition to make them homogeneous, and can control viscosity and feel. The above solvent may be purified water or ultrapure purified water that can be used in cleansing compositions, but preferably, ultrapure purified water may be used. The above purified water is water generally used in cosmetics, etc., and has a dissolved solid content indicating purity of 0.5 to 1 ppm, and a pH ranging from weak acid to weak alkali. The above ultrapure purified water may be desirable for cleansing compositions because it has a very high purity with a dissolved solid content of 0.03 ppm and a neutral pH.

[0039] Accordingly, the solvent may be included in an amount of 30 to 70% by weight based on the total weight of the cleansing composition. If the content of the solvent is below the numerical range, the components in the cleansing composition may not mix evenly, which may reduce viscosity and stability, and if it exceeds the numerical range, the formulation may become diluted, which may reduce cleansing power and usability.

[0040] In addition to each of the raw materials described above, other ingredients commonly used in the industry may be included. For example, auxiliary agents such as antioxidants, solubilizers, vitamins, and pigments may be included.

[0041] The method comprises the step of preparing a fatty acid mixture by mixing the above-mentioned surfactant, which includes one or more selected from the group consisting of lauramidopropylamine oxide, cocamidopropyl betaine, sodium lauryl sulfate, sodium cocoyl glycinate, and decyl glucoside, with the above-mentioned fatty acid and raising the temperature to 75 to 80°C. In this step, after mixing the surfactant and the fatty acid, the temperature is raised to 75 to 80°C to melt and uniformly disperse the fatty acid, thereby forming hydrogen bonds and van der Waals forces between the hydrophilic groups of the surfactant molecules and the carboxyl groups of the fatty acid, allowing a stable micelle structure to be formed. Through this, the saponification reaction proceeds uniformly in the subsequent neutralization mixture preparation step, and the formulation stability of the final composition can be improved. The "micelle structure" refers to a molecular aggregate formed by aligning the hydrophilic and hydrophobic groups of the surfactant molecules toward water and the fatty acid, respectively, and refers to a structure that enables the fatty acid to be uniformly dispersed in the aqueous phase.

[0042] Specifically, the surfactant and fatty acid prepared in the previous step can be mixed in a mixer at 10 to 30% by weight and 5 to 20% by weight, respectively, based on the total weight of the cleansing composition, and then the mixture can be heated to 75 to 80°C to ensure that the fatty acid is completely dissolved to produce a fatty acid mixture. Accordingly, if the heating temperature is below the numerical range, the incomplete dissolution of the fatty acid results in uneven mixing with the surfactant, which prevents the proper formation of a micelle structure. Consequently, the uniformity of the saponification reaction and formulation stability are reduced, which may ultimately lead to a decrease in cleaning power. If the temperature exceeds the numerical range, excessive heating may cause the surfactant or fatty acid to decompose or oxidize, resulting in quality degradation such as discoloration and foam instability.

[0043] The step involves adding the neutralizing agent and the solvent to the fatty acid mixture and stirring to prepare a neutralized mixture. In this step, the neutralizing agent and the solvent are added to the fatty acid mixture prepared in the previous step to convert the carboxyl groups (-COOH) of the fatty acids into salts (-COO).- This is a process of converting the mixture into a uniform form, during which a saponification reaction proceeds to ensure that the surfactant and fatty acid salt are uniformly dispersed, thereby securing cleaning power and formulation stability. Furthermore, the reason for preparing the fatty acid mixture in advance is to completely dissolve the fatty acids to disperse them into a uniform liquid state, and then stabilize the formation of micelle structures and interactions with the surfactant. By adding a neutralizing agent to the homogenized fatty acid mixture, the carboxyl groups of the fatty acids are efficiently and uniformly neutralized into a salt form, allowing the saponification reaction to proceed smoothly. On the other hand, if the neutralizing agent is added simultaneously during the preparation of the fatty acid mixture or before the fatty acids are sufficiently melted, only a partial reaction may proceed, leading to problems such as uneven saponification, formulation instability, and reduced cleaning power.

[0044] Specifically, the neutralization mixture may be prepared by adding 5 to 8 weight percent of the neutralizing agent and 30 to 70 weight percent of the solvent to the fatty acid mixture, based on the total weight of the cleansing composition, and stirring. The stirring may be performed using a mixer at 300 to 800 rpm for 15 to 40 minutes. If the stirring speed or time is below the numerical range, the mixing is insufficient, and the neutralizing agent does not react uniformly with the fatty acid, resulting in residual fatty acid or uneven viscosity, which may lead to reduced cleaning power and formulation instability. If the stirring speed or time exceeds the numerical range, excessive bubbles may be generated due to excessive shear force.

[0045] The step involves adding the viscosity modifier and the humectant to the neutralization mixture and stirring to prepare a thickening mixture. By adding the viscosity modifier and the humectant to the neutralization mixture prepared in the previous step, the viscosity of the composition can be controlled, and the usability and formulation stability can be ensured.

[0046] Specifically, the thickening mixture can be prepared by adding 3 to 5 weight percent of the viscosity modifier and 1 to 10 weight percent of the moisturizer to the neutralization mixture, based on the total weight of the cleansing composition, and stirring. The stirring can be performed using a mixer at 200 to 500 rpm for 10 to 30 minutes. If the stirring speed or time is below the numerical range, the viscosity modifier and moisturizer may not be uniformly dispersed, resulting in a decrease in usability due to non-uniform viscosity. If the stirring speed or time exceeds the numerical range, formulation stability may be reduced due to excessive viscosity increase, such as phase separation or clumping.

[0047] The step involves first cooling the thickening mixture, adding and mixing the fragrance, and then secondarily cooling and stirring the thickening mixture to which the fragrance has been added. This step minimizes the volatilization and denaturation of the fragrance through gradual cooling and induces a gradual increase in viscosity due to temperature changes, thereby ensuring a stable formulation of the gel-shaped cleansing composition of the present invention.

[0048] Specifically, the thickening mixture may be cooled to 55 to 65°C in a first step, and 0.1 to 1% by weight of the fragrance may be added to the first-step cooled thickening mixture based on the total weight of the cleansing composition. By doing so, the volatilization and denaturation of the fragrance can be effectively suppressed to continuously maintain the scent, and the temperature of the thickening mixture is maintained at a relatively high level, allowing the fragrance to be uniformly dispersed and the mixing efficiency to be improved.

[0049] Therefore, if the above first cooling temperature is below the numerical range, the viscosity of the thickening mixture increases too rapidly, making it difficult to stir and disperse the fragrance, which may result in an uneven formulation. If the above first cooling temperature exceeds the numerical range, the volatilization and denaturation of the fragrance may increase, which may reduce the persistence of the fragrance.

[0050] The gel-shaped cleansing composition of the present invention can be prepared by secondarily cooling the thickening mixture containing the above-mentioned fragrance to 45 to 50°C and stirring. Through this, the fragrance is uniformly dispersed within the composition and volatilization is further suppressed, thereby improving the fragrance longevity of the product, and the viscosity is finally stabilized, ensuring the usability and physical stability of the formulation. In addition, uniform mixing of the composition is achieved during the second cooling and stirring process, thereby maintaining the quality consistency of the final product.

[0051] Therefore, if the above secondary cooling temperature is below the numerical range, the viscosity increases rapidly, making stirring difficult and potentially degrading workability during packaging. If the above secondary cooling temperature exceeds the numerical range, the volatilization of the fragrance is not sufficiently suppressed, resulting in reduced fragrance persistence and insufficient viscosity and formulation stabilization, which may lead to a decrease in the quality of the composition.

[0052] In addition, the thickening mixture to which the above-mentioned flavoring has been added may be stirred after secondary cooling to include additional ingredients commonly used in the industry, such as antioxidants, solubilizing agents, vitamins, and pigments.

[0053] Thus, the present invention can provide a gel-shaped cleansing composition having a viscosity of 50 to 150 Pas at room temperature, preferably 60 to 100 Pa·s, and a saponification rate of fatty acids of 95% or more, preferably 95% to 100%, through a process of stepwise stirring and gradual cooling of each raw material. Through this, the gel-shaped cleansing composition maintains a consistent feel during use by forming stable bubbles during the cleansing process, and the formulation can be maintained stably even during storage. In addition, the gel-shaped cleansing composition can effectively remove waste and sebum from pores through rich and fine bubbles, and can provide a low-irritation cleansing effect by minimizing skin irritation due to the high saponification rate of fatty acids and a stable pH. In the present invention, "room temperature" means 20 to 25°C, and "saponification rate of fatty acid" is an indicator representing the degree to which fatty acid reacts with a neutralizing agent in the composition and is saponified (converted into a salt form), and means the ratio (%) of neutralized and saponified fatty acid relative to the total fatty acid.

[0054] In addition, the formulation of the cleansing composition is not limited. For example, the cleansing composition may be formulated as a solution, suspension, emulsion, paste, gel, cream, lotion, powder, soap, surfactant-containing cleansing, oil, powder foundation, emulsion foundation, wax foundation, and spray, but is not limited thereto. Specifically, the cleansing composition may be prepared in the form of a cleansing gel, cleansing cream, cleansing foam, cleansing water, pack, spray, or powder, and preferably may be a gel-shaped cleansing composition, prepared as a semi-solid gel structure to generate foam in a gel-to-foam manner when used.

[0055] As another example of the present invention, a cleaning agent comprising the gel-shaped cleansing composition may be provided. The cleaning agent may be used for various types of cleaning purposes, such as cosmetic compositions, detergents, hand cleansers, body cleansers, hair cleansers, facial cleansers, kitchen detergents, fabric detergents, and automotive cleaners, but is not limited thereto.

[0057] The present invention will be described in more detail below through examples. These examples are intended solely to explain the present invention more specifically, and it will be obvious to those skilled in the art that the scope of the present invention is not limited by these examples according to the gist of the present invention.

[0059] <Examples and Comparative Examples>

[0060] [Example 1]

[0061] Based on the total weight of the cleansing composition, 13.33% by weight of lauramidopropylamine oxide and 6.67% by weight of cocamidopropyl betaine as surfactants, 12% by weight of lauric acid as a fatty acid, 3% by weight of tromethamine and 3.5% by weight of triethanolamine as neutralizing agents, 3% by weight of polyethylene and 1% by weight of carbomer as viscosity modifiers, 5% by weight of glycerin as a moisturizer, 0.5% by weight of rosemary as a fragrance, and 52% by weight of ultrapure purified water as a solvent were prepared. The above surfactants, 13.33% by weight of lauramidopropylamine oxide and 6.67% by weight of cocamidopropyl betaine, and the above fatty acid, 12% by weight of lauric acid, were mixed and heated to 80°C to prepare a fatty acid mixture. To the prepared fatty acid mixture, 3% by weight of tromethamine and 3.5% by weight of triethanolamine, which are the neutralizing agents, and 52% by weight of ultrapure purified water, which is the solvent, were added, and a neutralization mixture was prepared by stirring with a mixer at 500 rpm for 30 minutes. To the prepared neutralization mixture, 3% by weight of polyethylene and 1% by weight of carbomer, which are the viscosity modifiers, and 5% by weight of glycerin, which is the humectant, were added, and a thickening mixture was prepared by stirring at 300 rpm for 20 minutes. After cooling the prepared thickening mixture to 60°C, 0.5% by weight of rosemary, which is the fragrance, was added and mixed. The thickening mixture with the added fragrance was cooled to 47.5°C and stirred at 200 rpm to prepare a gel-type cleansing composition.

[0063] [Examples 2 to 11]

[0064] Example 2 prepared a gel-shaped cleansing composition in the same manner as Example 1, except that the stirring speed for preparing the neutralization mixture was 300 rpm.

[0065] Example 3 prepared a gel-shaped cleansing composition in the same manner as Example 1, except that the stirring speed for preparing the neutralization mixture was 800 rpm.

[0066] Example 4 prepared a gel-type cleansing composition in the same manner as Example 1, except that the above-mentioned thickening mixture was first cooled to 55°C.

[0067] Example 5 prepared a gel-type cleansing composition in the same manner as Example 1, except that the above-mentioned thickening mixture was first cooled to 65°C.

[0068] Example 6 prepared a gel-type cleansing composition in the same manner as Example 1, except that the above-mentioned thickening mixture was cooled a second time to 45°C.

[0069] Example 7 prepared a gel-type cleansing composition in the same manner as Example 1, except that the above-mentioned thickening mixture was cooled a second time to 50°C.

[0070] Example 8 prepared a gel-shaped cleansing composition in the same manner as Example 1, except that the stirring speed for preparing the neutralization mixture was 200 rpm.

[0071] Example 9 prepared a gel-shaped cleansing composition in the same manner as Example 1, except that the stirring speed for preparing the neutralization mixture was 1000 rpm.

[0072] Example 10 prepared a gel-type cleansing composition in the same manner as Example 1, except that the above-mentioned thickening mixture was first cooled to 50°C.

[0073] Example 11 prepared a gel-type cleansing composition in the same manner as Example 1, except that the above-mentioned thickening mixture was cooled a second time to 40°C.

[0075] [Examples 12 to 33]

[0076] Example 12 prepared a gel-type cleansing composition in the same manner as Example 1, except that only 20% by weight of lauramidopropylamine oxide was used as a surfactant.

[0077] Example 13 prepared a gel-type cleansing composition in the same manner as Example 1, except that 6.67 wt% of lauramidopropylamine oxide and 3.33 wt% of cocamidopropyl betaine were used as surfactants, and 62 wt% of ultrapure purified water was used as a solvent.

[0078] Example 14 prepared a gel-type cleansing composition in the same manner as Example 1, except that 19.05% by weight of lauramidopropylamine oxide and 0.95% by weight of cocamidopropyl betaine were used as surfactants.

[0079] Example 15 prepared a gel-type cleansing composition in the same manner as Example 1, except that 18.18% by weight of lauramidopropylamine oxide and 1.82% by weight of cocamidopropyl betaine were used as surfactants.

[0080] Example 16 is the same example as Example 1.

[0081] Example 17 prepared a gel-type cleansing composition in the same manner as Example 1, except that 10% by weight of lauramidopropylamine oxide and 10% by weight of cocamidopropyl betaine were used as surfactants.

[0082] Example 18 prepared a gel-type cleansing composition in the same manner as Example 1, except that 8% by weight of lauramidopropylamine oxide and 12% by weight of cocamidopropyl betaine were used as surfactants.

[0083] Example 19 prepared a gel-type cleansing composition in the same manner as Example 1, except that 20% by weight of lauramidopropylamine oxide and 10% by weight of cocamidopropyl betaine were used as surfactants, and 42% by weight of ultrapure purified water was used as a solvent.

[0084] Example 20 prepared a gel-type cleansing composition in the same manner as Example 1, except that 5% by weight of lauric acid, a fatty acid, was used and 59% by weight of ultrapure purified water, a solvent, was used.

[0085] Example 21 prepared a gel-type cleansing composition in the same manner as Example 1, except that 20% by weight of lauric acid, a fatty acid, was used and 44% by weight of ultrapure purified water, a solvent, was used.

[0086] Example 22 prepared a gel-type cleansing composition in the same manner as Example 1, except that 2% by weight of tromethamine and 3% by weight of triethanolamine were used as neutralizing agents, and 53.5% by weight of ultrapure purified water was used as a solvent.

[0087] Example 23 prepared a gel-type cleansing composition in the same manner as Example 1, except that 3% by weight of tromethamine and 5% by weight of triethanolamine were used as neutralizing agents, and 50.5% by weight of ultrapure purified water was used as a solvent.

[0088] Example 24 prepared a gel-type cleansing composition in the same manner as Example 1, except that 2.5 wt% polyethylene and 0.5 wt% carbomer were used as viscosity modifiers, and 53 wt% ultrapure purified water was used as a solvent.

[0089] Example 25 prepared a gel-type cleansing composition in the same manner as Example 1, except that 3.5 wt% polyethylene and 1.5 wt% carbomer were used as viscosity modifiers, and 51 wt% ultrapure purified water was used as a solvent.

[0090] Example 26 prepared a gel-type cleansing composition in the same manner as Example 1, except that 4.67 wt% of lauramidopropylamine oxide and 2.33 wt% of cocamidopropyl betaine were used as surfactants, and 65 wt% of ultrapure purified water was used as a solvent.

[0091] Example 27 prepared a gel-type cleansing composition in the same manner as Example 1, except that 23.33% by weight of lauramidopropylamine oxide and 11.67% by weight of cocamidopropyl betaine were used as surfactants, and 37% by weight of ultrapure purified water was used as a solvent.

[0092] Example 28 prepared a gel-type cleansing composition in the same manner as Example 1, except that 3% by weight of lauric acid, a fatty acid, was used and 61% by weight of ultrapure purified water, a solvent, was used.

[0093] Example 29 prepared a gel-type cleansing composition in the same manner as Example 1, except that 25% by weight of lauric acid, a fatty acid, was used and 39% by weight of ultrapure purified water, a solvent, was used.

[0094] Example 30 prepared a gel-type cleansing composition in the same manner as Example 1, except that 1.5% by weight of tromethamine and 2% by weight of triethanolamine were used as neutralizing agents, and 55% by weight of ultrapure purified water was used as a solvent.

[0095] Example 31 prepared a gel-type cleansing composition in the same manner as Example 1, except that 4.5% by weight of tromethamine and 6% by weight of triethanolamine were used as neutralizing agents, and 48% by weight of ultrapure purified water was used as a solvent.

[0096] Example 32 prepared a gel-type cleansing composition in the same manner as Example 1, except that 1.5 wt% polyethylene and 0.5 wt% carbomer were used as viscosity modifiers, and 54 wt% ultrapure purified water was used as a solvent.

[0097] Example 33 was prepared by the same method as Example 1-1, except that 6% by weight of polyethylene and 2% by weight of carbomer were used as viscosity modifiers, and 48% by weight of ultrapure purified water was used as a solvent.

[0099] [Comparative Example 1]

[0100] Based on the total weight of the cleansing composition, 13.33% by weight of lauramidopropylamine oxide and 6.67% by weight of cocamidopropyl betaine as surfactants, 12% by weight of lauric acid as a fatty acid, 3% by weight of tromethamine and 3.5% by weight of triethanolamine as neutralizing agents, 3% by weight of polyethylene and 1% by weight of carbomer as viscosity modifiers, 5% by weight of glycerin as a moisturizer, 0.5% by weight of rosemary as a fragrance, and 52% by weight of ultrapure purified water as a solvent were prepared. A fatty acid mixture was prepared by mixing 13.33% by weight of the surfactant lauramidopropylamine oxide and 6.67% by weight of cocamidopropyl betaine, 12% by weight of the fatty acid lauric acid, 3% by weight of the neutralizing agent tromethamine and 3.5% by weight of triethanolamine, and 52% by weight of the solvent ultrapure purified water, and raising the temperature to 80°C. The prepared fatty acid mixture was stirred using a mixer at 500 rpm for 30 minutes. To the prepared fatty acid mixture, 3% by weight of the viscosity modifier polyethylene and 1% by weight of carbomer, and 5% by weight of the humectant glycerin were added, and the mixture was stirred at 300 rpm for 20 minutes to prepare a thickening mixture. After cooling the prepared thickening mixture to 55°C, 0.5% by weight of the fragrance rosemary was added and mixed. A gel-type cleansing composition was prepared by secondarily cooling the thickening mixture containing the above fragrance to 47.5°C and stirring at 200 rpm.

[0102] [Comparative Example 2]

[0103] Based on the total weight of the cleansing composition, 13.33% by weight of lauramidopropylamine oxide and 6.67% by weight of cocamidopropyl betaine as surfactants, 12% by weight of lauric acid as a fatty acid, 3% by weight of tromethamine and 3.5% by weight of triethanolamine as neutralizing agents, 3% by weight of polyethylene and 1% by weight of carbomer as viscosity modifiers, 5% by weight of glycerin as a moisturizer, 0.5% by weight of rosemary as a fragrance, and 52% by weight of ultrapure purified water as a solvent were prepared. The above surfactants, 13.33% by weight of lauramidopropylamine oxide and 6.67% by weight of cocamidopropyl betaine, and the above fatty acid, 12% by weight of lauric acid, were mixed and heated to 80°C to prepare a fatty acid mixture. To the prepared fatty acid mixture, 3% by weight of tromethamine and 3.5% by weight of triethanolamine, which are the neutralizing agents, and 52% by weight of ultrapure purified water, which is the solvent, were added, and a neutralization mixture was prepared by stirring with a mixer at 500 rpm for 30 minutes. To the prepared neutralization mixture, 3% by weight of polyethylene and 1% by weight of carbomer, which are the viscosity modifiers, and 5% by weight of glycerin, which is the humectant, were added, and a thickening mixture was prepared by stirring at 300 rpm for 20 minutes. To the prepared thickening mixture, 0.5% by weight of rosemary, which is the fragrance, was added, and a gel-type cleansing composition was prepared by stirring at 200 rpm without cooling.

[0105] Table 1 shows the stirring conditions, cooling temperature, and composition of the examples and comparative examples according to the present invention.

[0106] neutralization mixture preparation step Cooling conditions for thickening mixtures Stirring speed (rpm) Primary cooling temperature (°C) Secondary cooling temperature (°C) Example 1 500 60 47.5 Example 2 300 60 47.5 Example 3 800 60 47.5 Example 4 500 55 47.5 Example 5 500 65 47.5 Example 6 500 60 45 Example 7 500 60 50 Example 8 200 60 47.5 Example 9 1000 60 47.5 Example 10 500 50 47.5 Example 11 500 60 40 Surfactant (wt%) Fatty acid (wt%) Neutralizing agent (wt%) Viscosity modifier (wt%) Moisturizer (wt%) Flavoring (wt%) Solvent (wt%) LAPAO CAPB Mount Laur Tromethamine and Triethanolamine Polyethylene and Carbomer glycerin rosemary Ultrapure purified water Example 12 20 0 12 6.5 4 5 0.5 52 Example 13 6.67 3.33 12 6.5 4 5 0.5 62 Example 14 19.05 0.95 12 6.5 4 5 0.5 52 Example 15 18.18 1.82 12 6.5 4 5 0.5 52 Example 16 13.33 6.67 12 6.5 4 5 0.5 52 Example 17 10 10 12 6.5 4 5 0.5 52 Example 18 8 12 12 6.5 4 5 0.5 52 Example 19 20 10 12 6.5 4 5 0.5 42 Example 20 13.33 6.67 5 6.5 4 5 0.5 59 Example 21 13.33 6.67 20 6.5 4 5 0.5 44 Example 22 13.33 6.67 12 5.0 4 5 0.5 53.5 Example 23 13.33 6.67 12 8.0 4 5 0.5 50.5 Example 24 13.33 6.67 12 6.5 3 5 0.5 53 Example 25 13.33 6.67 12 6.5 5 5 0.5 51 Example 26 4.67 2.33 12 6.5 4 5 0.5 65 Example 27 23.33 11.67 12 6.5 4 5 0.5 37 Example 28 13.33 6.67 3 6.5 4 5 0.5 61 Example 29 13.33 6.67 25 6.5 4 5 0.5 39 Example 30 13.33 6.67 12 3.5 4 5 0.5 55 Example 31 13.33 6.67 12 10.5 4 5 0.5 48 Example 32 13.33 6.67 12 6.5 2 5 0.5 54 Example 33 13.33 6.67 12 6.5 8 5 0.5 48 Comparative Example 1 A fatty acid mixture is prepared by simultaneously mixing a surfactant, fatty acid, a neutralizing agent, and a solvent, and then heated and stirred. Comparative Example 2 Add flavoring to the thickening mixture and stir immediately without cooling. - LAPAO: Lauramidopropylamine oxide - CAPB: Cocamidopropyl betaine

[0108] <Test Example>

[0109] [Test Example 1] - Evaluation of physical properties of a gel-type cleansing composition

[0110] The saponification rate, viscosity, and pH of fatty acids were measured using gel-type cleansing compositions according to the examples and comparative examples. Specifically, the saponification rate of the fatty acids was calculated by measuring the acid value (AV) before and after neutralization. The acid value was measured by titration with a 0.1N KOH solution, and a mixed solution of ethanol and ethyl ether was used as the solvent. The saponification rates of the fatty acids are shown in Table 2 below.

[0111] Fatty acid saponification rate (%) = (AV 중화 전 - AV 중화 후 ) / AV 중화전 ×100

[0112] The above viscosity was measured at 25°C using a Brookfield viscometer (DV2T, spindle No. 4, 10 rpm). The measurement was repeated three times and the average value was taken. The above pH was measured at 25°C using a calibrated pH meter after diluting each sample with distilled water to 10 wt%, and is shown in Table 2 below.

[0114] Table 2 shows the results of the physical property evaluation of the examples and comparative examples.

[0115] Saponification rate of fatty acids (%) Viscosity (Pa·s) pH Example 1 97 85 6.0 Example 2 95 80 5.8 Example 3 96 95 6.3 Example 4 98 90 6.2 Example 5 95 75 5.7 Example 6 96 80 6.1 Example 7 97 100 6.0 Example 8 90 45 5.2 Example 9 93 160 6.8 Example 10 90 40 5.0 Example 11 91 42 5.1 Example 12 95 80 6.1 Example 13 97 90 6.0 Example 14 92 55 5.3 Example 15 95 75 5.8 Example 16 97 85 6.0 Example 17 96 85 6.3 Example 18 91 120 6.7 Example 19 93 110 6.6 Example 20 95 80 5.7 Example 21 96 100 6.4 Example 22 95 70 6.5 Example 23 96 90 6.3 Example 24 95 68 6.1 Example 25 96 98 6.1 Example 26 88 35 5.0 Example 27 89 150 6.8 Example 28 85 25 4.9 Example 29 87 140 6.7 Example 30 90 40 5.2 Example 31 91 130 6.9 Example 32 89 38 5.1 Example 33 90 145 6.8 Comparative Example 1 85 35 4.8 Comparative Example 2 88 170 7.0

[0117] [Test Example 2] - Evaluation of foam stability and formulation stability of a gel-type cleansing composition

[0118] Foam stability and formulation stability were evaluated using gel-type cleansing compositions according to the embodiments and comparative examples of the present invention. For foam stability, 10 g of each gel-type cleansing composition of the embodiments and comparative examples was added to 200 mL of distilled water and stirred at 1000 rpm for 1 minute at 25°C, and the generated foam was transferred to a 250 mL graduated cylinder, and the initial foam volume (V0) and the foam volume (V) after 5 minutes were measured. s ) was measured. Bubble stability (%) was calculated using the following formula and is shown in Table 3 below.

[0119] Bubble stability (%) = (V s / V0) × 100

[0120] The formulation stability (phase separation, color change) of the above formulations was observed visually for one month in a constant temperature and humidity bath at 40°C, 25°C, and 4°C using the gel-shaped cleansing compositions of each example and comparative example, and the results are shown in Table 3 below.

[0122] Confirmation of formulation stability: Degree of phase separation and color change

[0123] < Evaluation Criteria >

[0124] Very stable: No formulation issues

[0125] Stability: Minor separation / Almost no color change

[0126] Normal: Minor separation and sedimentation occur / Slight color change

[0127] Instability: Obvious separation and sedimentation occur / Distinct color change

[0129] Table 3 shows the results of the evaluation of foam stability and formulation stability of the examples and comparative examples.

[0130] Bubble stability (%) Formulation stability 40℃ 25℃ 4℃ Phase separation color Phase separation color Phase separation color Example 1 95 Very stable Very stable Very stable Very stable Very stable Very stable Example 2 94 Very stable Very stable Very stable Very stable Very stable Very stable Example 3 93 Very stable Very stable Very stable Very stable Very stable Very stable Example 4 94 Very stable Very stable Very stable Very stable Very stable Very stable Example 5 92 stability stability Very stable Very stable stability stability Example 6 93 Very stable Very stable Very stable Very stable Very stable Very stable Example 7 95 Very stable Very stable Very stable Very stable Very stable Very stable Example 8 62 commonly stability commonly stability commonly stability Example 9 61 commonly stability commonly stability commonly stability Example 10 60 commonly stability commonly stability commonly stability Example 11 59 commonly stability commonly stability commonly stability Example 12 95 Very stable Very stable Very stable Very stable Very stable Very stable Example 13 94 Very stable Very stable Very stable Very stable Very stable Very stable Example 14 72 stability stability stability stability stability stability Example 15 93 Very stable Very stable Very stable Very stable Very stable Very stable Example 16 95 Very stable Very stable Very stable Very stable Very stable Very stable Example 17 96 Very stable Very stable Very stable Very stable Very stable Very stable Example 18 60 commonly commonly commonly commonly commonly commonly Example 19 92 Very stable Very stable Very stable Very stable Very stable Very stable Example 20 93 Very stable Very stable Very stable Very stable Very stable Very stable Example 21 94 Very stable Very stable Very stable Very stable Very stable Very stable Example 22 93 Very stable Very stable Very stable Very stable Very stable Very stable Example 23 95 Very stable Very stable Very stable Very stable Very stable Very stable Example 24 92 Very stable Very stable Very stable Very stable Very stable Very stable Example 25 94 Very stable Very stable Very stable Very stable Very stable Very stable Example 26 52 instability instability instability instability instability instability Example 27 50 instability instability instability instability instability instability Example 28 48 instability instability instability instability instability instability Example 29 49 instability instability instability instability instability instability Example 30 60 commonly commonly commonly commonly commonly commonly Example 31 50 instability instability instability instability instability instability Example 32 48 instability instability instability instability instability instability Example 33 50 instability instability instability instability instability instability Comparative Example 1 48 instability instability commonly commonly instability instability Comparative Example 2 52 commonly commonly commonly stability commonly stability

[0132] [Test Example 3] - Sensory evaluation of the formulation of a gel-type cleansing composition

[0133] Sensory evaluation of the gel-type cleansing compositions of the Examples and Comparative Examples was conducted on 20 men and women (ages 20–40) with prior skin testing experience. Participants were selected to ensure an equal representation of dry, normal, and oily skin types. The panelists participated with an understanding of the evaluation criteria. Table 4 below shows the average results excluding the lowest and highest values ​​among the panelists' evaluations regarding skin irritation, cleansing power, and skin moisture.

[0135] Skin Irritation Assessment: Evaluate skin side effects such as stinging, itching, and redness after cleansing the inner arm of the participant twice a day for 7 days using a gel-type cleansing composition.

[0136] < Evaluation Criteria >

[0137] 5 points or less: Severe skin irritation

[0138] 6 points: Strong feeling

[0139] 7 points: Average

[0140] 8 points: Slightly present

[0141] 9 points: Almost none

[0142] 10 points: None at all

[0144] Cleansing power: Sebum or artificial contaminants (cosmetics, etc.) are applied to the inner arm of a participant using a gel-type cleansing composition, and the degree of removal of residual contaminants is evaluated after cleansing with said cleansing composition.

[0145] < Evaluation Criteria >

[0146] 5 points or less: Very weak cleaning power (most contaminants remain)

[0147] 6 points: Weak cleaning power (visible residue remains even after cleaning)

[0148] 7 points: Average cleaning power (some dirt remains)

[0149] 8 points: Good cleaning power (mostly removed, but slight fine residue remains)

[0150] 9 points: Excellent cleaning power (almost all contaminants are removed)

[0151] 10 points: Excellent cleaning power (complete cleaning, no residue)

[0153] Skin moisture content: Measured using a Corneometer (Courage + Khazaka, Germany). The inner arm was measured three times before and after the test, and the average value was calculated. The skin moisturizing effect was evaluated by comparing the change in moisture content before and after cleansing.

[0154] < Evaluation Criteria >

[0155] Less than 7 points: Insufficient (Moisture change rate (%) decrease of 5% or less)

[0156] 7 points or more ~ ​​less than 8 points: Average (Moisture change rate (%) within ±5%)

[0157] 8 points or more ~ ​​less than 9 points: Excellent (Moisture change rate (%) increase by 5 to 10%)

[0158] 9 points or higher: Excellent moisturizing power (moisture change rate (%) increases by 10% or more)

[0160] Table 4 shows the evaluation results of skin irritation, cleansing power, and skin moisture of the examples and comparative examples.

[0161] skin irritation Cleaning power Skin moisture Example 1 9.5 9.5 9.4 Example 2 9.0 9.0 9.2 Example 3 9.2 9.3 9.0 Example 4 9.3 9.2 8.9 Example 5 9.0 9.0 9.1 Example 6 9.1 9.4 8.8 Example 7 9.4 9.4 8.7 Example 8 8.0 8.2 8.4 Example 9 7.5 8.8 8.3 Example 10 8.2 8.0 8.1 Example 11 7.8 7.9 7.9 Example 12 9.5 8.5 8.5 Example 13 9.3 8.7 9.0 Example 14 8.0 7.0 8.0 Example 15 9.0 9.5 9.3 Example 16 9.5 9.5 9.4 Example 17 9.0 9.0 9.0 Example 18 8.5 7.5 8.7 Example 19 8.7 9.0 8.7 Example 20 8.9 8.8 8.5 Example 21 8.7 9.2 8.6 Example 22 9.0 8.8 9.1 Example 23 8.9 9.0 9.0 Example 24 9.2 9.1 9.0 Example 25 9.0 9.0 8.5 Example 26 7.5 7.0 7.8 Example 27 7.0 9.3 6.5 Example 28 8.5 8.0 6.5 Example 29 7.8 7.5 6.5 Example 30 8.8 7.8 3.5 Example 31 7.5 9.0 6.0 Example 32 9.0 7.5 7.2 Example 33 8.5 8.0 6.5 Comparative Example 1 6.5 6.8 7.1 Comparative Example 2 6.0 7.2 6.1

Claims

Claim 1 A method for preparing a cleansing composition comprises the steps of: preparing a surfactant, a fatty acid, a neutralizing agent, a viscosity modifier, a humectant, a fragrance, and a solvent; mixing the surfactant, including lauramidopropylamine oxide and cocamidopropyl betaine, and the fatty acid, and raising the temperature to 75 to 80°C to prepare a fatty acid mixture; adding the neutralizing agent and the solvent to the fatty acid mixture and stirring to prepare a neutralized mixture; and adding the viscosity modifier and the humectant to the neutralized mixture and stirring to prepare a thickening mixture. A method for preparing a gel-shaped cleansing composition comprising the steps of: adding and mixing the fragrance after first cooling the thickening mixture, and secondarily cooling and stirring the thickening mixture with the added fragrance, wherein the fatty acid is lauric acid, the neutralizing agent comprises tromethamine and triethanolamine, the viscosity modifier comprises polyethylene and carbomer, the humectant is glycerin, and the fragrance is rosemary. Claim 2 delete Claim 3 delete Claim 4 A method for preparing a gel-type cleansing composition according to claim 1, wherein the surfactant, fatty acid, neutralizing agent, viscosity modifier, humectant, fragrance, and solvent each comprise 10 to 30 weight%, 5 to 20 weight%, 5 to 8 weight%, 3 to 5 weight%, 1 to 10 weight%, 0.1 to 1 weight%, and 30 to 70 weight%, respectively, based on the total weight of the cleansing composition. Claim 5 A method for preparing a gel-shaped cleansing composition according to claim 1, wherein, in the step of preparing a neutralization mixture by adding the neutralizing agent and the solvent to the fatty acid mixture and stirring, the stirring is performed at 300 to 800 rpm for 15 to 40 minutes. Claim 6 A method for preparing a gel-shaped cleansing composition according to claim 1, wherein, in the step of adding and mixing the fragrance after first cooling the thickening mixture and stirring the thickening mixture with the added fragrance, the first cooling is performed up to 55 to 65°C and the second cooling is performed up to 45 to 50°C. Claim 7 A gel-type cleansing composition manufactured by the manufacturing method of any one of claims 1 and 4 to 6.

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