Persistent liquid foundation and preparation method thereof

Abstract

The invention relates to the technical field of liquid foundation, and particularly discloses a lasting liquid foundation and a preparation method thereof. The invention discloses a lasting liquid foundation. The liquid foundation is prepared from the following raw materials in percentage by weight: 0.5 to 1 percent of thickener, 10 to 15 percent of first emollient, 2 to 5 percent of emulsifier, 1 to 3 percent of first stabilizer, 3 to 5 percent of acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer, 3 to 5 percent of trimethylsiloxy silicate ester, 0.5 to 3 percent of adsorbent, 0.05 to 1 percent of antioxidant, 10 to 15 percent of second emollient, 10 to 20 percent of coloring agent, 0.5 to 1 percent of second stabilizer, 1 to 5 percent of humectant, 0.05 to 1 percent of chelating agent, 1 to 10 percent of solvent, 0.5 to 1 percent of preservative and the balance of water. 0.1-1% of a third emollient and the balance of water.

Description

Technical Field

[0001] The present application relates to the technical field of liquid foundation, and in particular to a long-lasting liquid foundation and a preparation method thereof. Background Art

[0002] At present, our requirements for cosmetics are getting higher and higher. There are many kinds of liquid foundations on the market, but consumers value the durability, concealing power and skin-fitting effect of liquid foundations the most. Especially in summer or high temperature environment, a long-lasting liquid foundation is very attractive to consumers. However, the existing liquid foundations generally cannot achieve the effect of long-lasting effect. Summary of the invention

[0003] In order to increase the lasting time of liquid foundation, the present application provides a long-lasting liquid foundation and a preparation method thereof.

[0004] In the first aspect, the present application provides a long-lasting liquid foundation, which adopts the following technical solution: The invention discloses a long-lasting liquid foundation. The raw materials of the liquid foundation are composed of the following components in percentage by weight: 0.5-1% of a thickener, 10-15% of a first emollient, 2-5% of an emulsifier, 1-3% of a first stabilizer, 3-5% of an acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer, 3-5% of trimethylsiloxysilicate, 0.5-3% of an adsorbent, 0.05-1% of an antioxidant, 10-15% of a second emollient, 10-20% of a colorant, 0.5-1% of a second stabilizer, 1-5% of a humectant, 0.05-1% of a chelating agent, 1-10% of a solvent, 0.5-1% of a preservative, 0.1-1% of a third emollient, and the balance is water.

[0005] By adopting the above technical scheme, acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer and trimethylsiloxysilicate are compounded to obtain a composite film-forming agent, so that the liquid foundation has better durability.

[0006] In a specific embodiment, the first emollient includes a mixture of isododecane and polydimethylsiloxane.

[0007] In a specific embodiment, the emulsifier includes a mixture of cetyl PEG / PPG-10 / 1 polydimethylsiloxane and PEG-10 polydimethylsiloxane.

[0008] In a specific embodiment, the second emollient includes a mixture of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate.

[0009] In a specific embodiment, the colorant includes a mixture of colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane.

[0010] In a specific embodiment, the humectant comprises propylene glycol.

[0011] In a specific embodiment, the chelating agent comprises disodium EDTA.

[0012] In a specific embodiment, the preservative comprises a mixture of phenoxyethanol and ethylhexylglycerin.

[0013] In a specific embodiment, the third emollient includes a mixture of caprylyl glycol and ethylhexylglycerin.

[0014] By adopting the above technical solution and utilizing the combination of the first emollient, the second emollient and the third emollient, the liquid foundation has better moisturizing performance.

[0015] In a second aspect, the present application provides a method for preparing a long-lasting liquid foundation, which adopts the following technical solution: A method for preparing a long-lasting liquid foundation comprises the following steps: The thickener, the first emollient, the emulsifier, the first stabilizer, the acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer, the trimethylsiloxysilicate, the adsorbent, and the antioxidant are stirred and heated to 70-75° C. to obtain an oil phase A; the second emollient and the colorant are ground, added to the oil phase A, and heated to 75-80° C. to obtain an oil phase B; Mix water, the second stabilizer, the moisturizer, the chelating agent and the solvent evenly, and heat to dissolve at 70-75°C to emulsify to obtain a water phase; Add the water phase to the oil phase, homogenize at a speed of 2500-3000 rpm for 5-15 minutes, cool down, add preservatives and a third emollient, homogenize at a speed of 2500-3000 rpm for 3-7 minutes, match the color, and vacuum to obtain a long-lasting liquid foundation.

[0016] By adopting the above technical scheme, the thickener, the first emollient, the emulsifier, the first stabilizer, the acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer, the trimethylsiloxysilicate, the adsorbent, and the antioxidant are first stirred and heated, and then the ground second emollient and the colorant are added, stirred and heated to obtain the oil phase B; then water, the second stabilizer, the humectant, the chelating agent, and the solvent are stirred and heated to dissolve to obtain the aqueous phase; finally, the aqueous phase is added to the oil phase, homogenized, cooled, and the preservative and the third emollient are added, homogenized, color matched, and vacuumed to obtain the long-lasting liquid foundation.

[0017] In summary, the present application includes at least one of the following beneficial technical effects: 1. In the present application, acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer and trimethylsiloxysilicate are compounded to obtain a composite film-forming agent, so that the liquid foundation has better durability; 2. The first emollient, the second emollient, and the third emollient are used in combination to make the liquid foundation have better moisturizing properties; 3. The method of the present application is to first stir and heat the thickener, the first emollient, the emulsifier, the first stabilizer, the acrylate / polytrimethylsiloxane methacrylate copolymer, the trimethylsiloxysilicate, the adsorbent, and the antioxidant, and then add the ground second emollient and the colorant, stir and heat to obtain the oil phase B; then stir and heat the water, the second stabilizer, the humectant, the chelating agent, and the solvent to dissolve to obtain the aqueous phase; finally, add the aqueous phase to the oil phase, homogenize, cool, add the preservative and the third emollient, homogenize, color, and vacuum to obtain a long-lasting liquid foundation. DETAILED DESCRIPTION

[0018] The present application is further described in detail below with reference to the embodiments.

[0019] All raw materials in the examples are commercially available. Example

[0020] Example 1 Embodiment 1 provides a method for preparing a long-lasting liquid foundation, comprising the following steps: 0.5 kg thickener, 10 kg first emollient, 2 kg emulsifier, 1 kg first stabilizer, 3 kg acrylate / polytrimethylsiloxane methacrylate copolymer, 3 kg trimethylsiloxysilicate, 0.5 kg adsorbent, 0.05 kg antioxidant were added into the oil phase pot, stirred and heated to 70°C to obtain oil phase A; wherein the thickener was disteardimethylammonium hectorite; the first emollient was a mixture of isododecane and polydimethylsiloxane, and the weight ratio of isododecane to polydimethylsiloxane was 10:1 2; the emulsifier is a mixture of cetyl PEG / PPG-10 / 1 polydimethylsiloxane and PEG-10 polydimethylsiloxane, and the weight ratio of cetyl PEG / PPG-10 / 1 polydimethylsiloxane to PEG-10 polydimethylsiloxane is 1:2; the first stabilizer is a mixture of HDI / trimethylol hexyl lactone cross-linked polymer and silica, and the weight ratio of HDI / trimethylol hexyl lactone cross-linked polymer to silica is 98:2; the adsorbent is polymethyl silsesquioxane; the antioxidant is tocopherol acetate; 10 kg of the second emollient and 10 kg of the colorant are ground to a powder particle size of 5-10 μm, and added to the oil phase A, and heated to 75° C. to obtain the oil phase B; wherein the second emollient is a mixture of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate, and the weight ratio of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate is 1.9994:0.0006:2; the colorant is a mixture of colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane, and the colorant CI 77891, aluminum hydroxide, colorant CI77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane are mixed. 77499, triethoxyoctylsilane, the weight ratio is 8.7429:0.2265:6.2271:1.7127:0.9306:0.1802; Add 56.8 kg of water, 0.5 kg of the second stabilizer, 1 kg of moisturizing agent, 0.05 kg of chelating agent, and 1 kg of solvent into the water phase pot, stir and mix evenly, heat and dissolve to 70°C for emulsification to obtain a water phase; wherein the second stabilizer is magnesium sulfate; the moisturizing agent is propylene glycol; the chelating agent is disodium EDTA; and the solvent is ethanol; Add the aqueous phase to the oil phase, homogenize at a speed of 2500 rpm for 15 minutes, cool to 45°C, add 0.5 kg of preservatives and 0.1 kg of the third emollient, homogenize at a speed of 2500 rpm for 7 minutes, color match, and vacuum to obtain a long-lasting liquid foundation; wherein the preservative is a mixture of phenoxyethanol and ethylhexylglycerin, and the weight ratio of phenoxyethanol to ethylhexylglycerin is 9:1; the third emollient is a mixture of caprylyl glycol and ethylhexylglycerin, and the weight ratio of caprylyl glycol to ethylhexylglycerin is 7:3.

[0021] Example 2 Embodiment 2 provides a method for preparing a long-lasting liquid foundation, comprising the following steps: 0.75 kg thickener, 12.5 kg first emollient, 3.5 kg emulsifier, 2 kg first stabilizer, 4 kg acrylate / polytrimethylsiloxane methacrylate copolymer, 4 kg trimethylsiloxysilicate, 1.8 kg adsorbent, and 0.5 kg antioxidant were added into an oil phase pot, stirred and heated to 70° C. to obtain oil phase A; wherein the thickener is disteardimethylammonium hectorite; the first emollient is a mixture of isododecane and polydimethylsiloxane, and the weight ratio of isododecane to polydimethylsiloxane is 10:1. : 12; the emulsifier is a mixture of cetyl PEG / PPG-10 / 1 polydimethylsiloxane and PEG-10 polydimethylsiloxane, and the weight ratio of cetyl PEG / PPG-10 / 1 polydimethylsiloxane to PEG-10 polydimethylsiloxane is 1:2; the first stabilizer is a mixture of HDI / trimethylol hexyl lactone cross-linked polymer and silica, and the weight ratio of HDI / trimethylol hexyl lactone cross-linked polymer to silica is 98:2; the adsorbent is polymethyl silsesquioxane; the antioxidant is tocopherol acetate; 12.5 kg of the second emollient and 15 kg of the colorant are ground to a powder particle size of 5-10 μm, and added to the oil phase A, and heated to 75° C. to obtain the oil phase B; wherein the second emollient is a mixture of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate, and the weight ratio of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate is 1.9994:0.0006:2; the colorant is a mixture of colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane, and the colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane are mixed. 77499, triethoxyoctylsilane, the weight ratio is 8.7429:0.2265:6.2271:1.7127:0.9306:0.1802; Add 32.45kg of water, 0.75kg of the second stabilizer, 3kg of moisturizing agent, 0.5kg of chelating agent, and 5.5kg of solvent into the water phase pot, stir and mix evenly, heat and dissolve to 70°C for emulsification to obtain a water phase; wherein the second stabilizer is magnesium sulfate; the moisturizing agent is propylene glycol; the chelating agent is disodium EDTA; and the solvent is ethanol; Add the aqueous phase to the oil phase, homogenize at a speed of 2500 rpm for 15 minutes, cool to 45°C, add 0.75 kg of preservatives and 0.5 kg of the third emollient, homogenize at a speed of 2500 rpm for 7 minutes, color match, and vacuum to obtain a long-lasting liquid foundation; wherein the preservative is a mixture of phenoxyethanol and ethylhexylglycerin, and the weight ratio of phenoxyethanol to ethylhexylglycerin is 9:1; the third emollient is a mixture of caprylyl glycol and ethylhexylglycerin, and the weight ratio of caprylyl glycol to ethylhexylglycerin is 7:3.

[0022] Example 3 Embodiment 3 provides a method for preparing a long-lasting liquid foundation, comprising the following steps: 1 kg thickener, 15 kg first emollient, 5 kg emulsifier, 3 kg first stabilizer, 5 kg acrylate / polytrimethylsiloxane methacrylate copolymer, 5 kg trimethylsiloxysilicate, 3 kg adsorbent, and 1 kg antioxidant were added into an oil phase pot, stirred and heated to 70°C to obtain oil phase A; wherein the thickener is disteardimethylammonium hectorite; the first emollient is a mixture of isododecane and polydimethylsiloxane, and the weight ratio of isododecane to polydimethylsiloxane is 10:12; emulsifier The stabilizer is a mixture of cetyl PEG / PPG-10 / 1 polydimethylsiloxane and PEG-10 polydimethylsiloxane, and the weight ratio of cetyl PEG / PPG-10 / 1 polydimethylsiloxane to PEG-10 polydimethylsiloxane is 1:2; the first stabilizer is a mixture of HDI / trimethylol hexyl lactone cross-linked polymer and silica, and the weight ratio of HDI / trimethylol hexyl lactone cross-linked polymer to silica is 98:2; the adsorbent is polymethyl silsesquioxane; the antioxidant is tocopherol acetate; 15 kg of the second emollient and 20 kg of the colorant are ground to a powder particle size of 5-10 μm, and added to the oil phase A, and heated to 75° C. to obtain the oil phase B; wherein the second emollient is a mixture of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate, and the weight ratio of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate is 1.9994:0.0006:2; the colorant is a mixture of colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane, and the colorant CI 77891, aluminum hydroxide, colorant CI77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane are mixed. 77499, triethoxyoctylsilane, the weight ratio is 8.7429:0.2265:6.2271:1.7127:0.9306:0.1802; Add 8kg of water, 1kg of the second stabilizer, 5kg of moisturizing agent, 1kg of chelating agent, and 10kg of solvent into the water phase pot, stir and mix evenly, heat and dissolve to 70°C for emulsification to obtain a water phase; wherein the second stabilizer is magnesium sulfate; the moisturizing agent is propylene glycol; the chelating agent is disodium EDTA; and the solvent is ethanol; Add the aqueous phase to the oil phase, homogenize at a speed of 2500 rpm for 15 minutes, cool to 45°C, add 1 kg of preservative and 1 kg of the third emollient, homogenize at a speed of 2500 rpm for 7 minutes, color match, and vacuum to obtain a long-lasting liquid foundation; wherein the preservative is a mixture of phenoxyethanol and ethylhexylglycerin, and the weight ratio of phenoxyethanol to ethylhexylglycerin is 9:1; the third emollient is a mixture of caprylyl glycol and ethylhexylglycerin, and the weight ratio of caprylyl glycol to ethylhexylglycerin is 7:3.

[0023] Example 4 Embodiment 4 provides a method for preparing a long-lasting liquid foundation, comprising the following steps: 0.75 kg thickener, 12.5 kg first emollient, 3.5 kg emulsifier, 2 kg first stabilizer, 4 kg acrylate / polytrimethylsiloxane methacrylate copolymer, 4 kg trimethylsiloxysilicate, 1.8 kg adsorbent, and 0.5 kg antioxidant were added into the oil phase pot, stirred and heated to 72.5 ° C to obtain oil phase A; wherein the thickener is disteardimethylammonium hectorite; the first emollient is a mixture of isododecane and polydimethylsiloxane, and the weight ratio of isododecane to polydimethylsiloxane is 1:1. 0:12; the emulsifier is a mixture of cetyl PEG / PPG-10 / 1 polydimethylsiloxane and PEG-10 polydimethylsiloxane, and the weight ratio of cetyl PEG / PPG-10 / 1 polydimethylsiloxane to PEG-10 polydimethylsiloxane is 1:2; the first stabilizer is a mixture of HDI / trimethylol hexyl lactone cross-linked polymer and silica, and the weight ratio of HDI / trimethylol hexyl lactone cross-linked polymer to silica is 98:2; the adsorbent is polymethyl silsesquioxane; the antioxidant is tocopherol acetate; 12.5 kg of the second emollient and 15 kg of the colorant are ground to a powder particle size of 5-10 μm, and added to the oil phase A, and heated to 77.5° C. to obtain the oil phase B; wherein the second emollient is a mixture of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate, and the weight ratio of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate is 1.9994:0.0006:2; the colorant is a mixture of colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane, and the colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane are mixed. 77499, triethoxyoctylsilane, the weight ratio is 8.7429:0.2265:6.2271:1.7127:0.9306:0.1802; Add 32.45kg of water, 0.75kg of the second stabilizer, 3kg of moisturizing agent, 0.5kg of chelating agent, and 5.5kg of solvent into the water phase pot, stir and mix evenly, heat and dissolve to 72.5℃ for emulsification to obtain a water phase; wherein the second stabilizer is magnesium sulfate; the moisturizing agent is propylene glycol; the chelating agent is disodium EDTA; and the solvent is ethanol; Add the aqueous phase to the oil phase, homogenize at 2750 rpm for 10 minutes, cool to 45°C, add 0.75 kg of preservatives and 0.5 kg of the third emollient, homogenize at 2750 rpm for 5 minutes, color match, and vacuum to obtain a long-lasting liquid foundation; wherein the preservative is a mixture of phenoxyethanol and ethylhexylglycerin, and the weight ratio of phenoxyethanol to ethylhexylglycerin is 9:1; the third emollient is a mixture of caprylyl glycol and ethylhexylglycerin, and the weight ratio of caprylyl glycol to ethylhexylglycerin is 7:3.

[0024] Example 5 Embodiment 5 provides a method for preparing a long-lasting liquid foundation, comprising the following steps: 0.75 kg thickener, 12.5 kg first emollient, 3.5 kg emulsifier, 2 kg first stabilizer, 4 kg acrylate / polytrimethylsiloxane methacrylate copolymer, 4 kg trimethylsiloxysilicate, 1.8 kg adsorbent, and 0.5 kg antioxidant were added into an oil phase pot, stirred and heated to 75° C. to obtain oil phase A; wherein the thickener is disteardimethylammonium hectorite; the first emollient is a mixture of isododecane and polydimethylsiloxane, and the weight ratio of isododecane to polydimethylsiloxane is 10:1. : 12; the emulsifier is a mixture of cetyl PEG / PPG-10 / 1 polydimethylsiloxane and PEG-10 polydimethylsiloxane, and the weight ratio of cetyl PEG / PPG-10 / 1 polydimethylsiloxane to PEG-10 polydimethylsiloxane is 1:2; the first stabilizer is a mixture of HDI / trimethylol hexyl lactone cross-linked polymer and silica, and the weight ratio of HDI / trimethylol hexyl lactone cross-linked polymer to silica is 98:2; the adsorbent is polymethyl silsesquioxane; the antioxidant is tocopherol acetate; 12.5 kg of the second emollient and 15 kg of the colorant are ground to a powder particle size of 5-10 μm, and added to the oil phase A, and heated to 80° C. to obtain the oil phase B; wherein the second emollient is a mixture of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate, and the weight ratio of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate is 1.9994:0.0006:2; the colorant is a mixture of colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane, and the colorant CI 77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499, and triethoxycaprylylsilane are mixed. 77499, triethoxyoctylsilane, the weight ratio is 8.7429:0.2265:6.2271:1.7127:0.9306:0.1802; Add 32.45kg of water, 0.75kg of the second stabilizer, 3kg of moisturizing agent, 0.5kg of chelating agent, and 5.5kg of solvent into the water phase pot, stir and mix evenly, heat and dissolve to 75°C for emulsification to obtain a water phase; wherein the second stabilizer is magnesium sulfate; the moisturizing agent is propylene glycol; the chelating agent is disodium EDTA; and the solvent is ethanol; Add the aqueous phase to the oil phase, homogenize at 3000 rpm for 5 minutes, cool to 45°C, add 0.75 kg of preservatives and 0.5 kg of the third emollient, homogenize at 3000 rpm for 3 minutes, color match, and vacuum to obtain a long-lasting liquid foundation; wherein the preservative is a mixture of phenoxyethanol and ethylhexylglycerin, and the weight ratio of phenoxyethanol to ethylhexylglycerin is 9:1; the third emollient is a mixture of caprylyl glycol and ethylhexylglycerin, and the weight ratio of caprylyl glycol to ethylhexylglycerin is 7:3.

[0025] Comparative Example Comparative Example 1 The difference between Comparative Example 1 and Example 1 is that 0.5 kg of thickener, 16 kg of first emollient, 2 kg of emulsifier, 1 kg of first stabilizer, 0.5 kg of adsorbent, and 0.05 kg of antioxidant are added to the oil phase pot, stirred and heated to 70° C. to obtain oil phase A; the remaining steps are consistent with Example 1.

[0026] Comparative Example 2 The difference between Comparative Example 2 and Example 1 is that 0.5 kg of thickener, 10 kg of first emollient, 2 kg of emulsifier, 1 kg of first stabilizer, 6 kg of acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer, 0.5 kg of adsorbent, and 0.05 kg of antioxidant are added to the oil phase pot, stirred and heated to 70°C to obtain oil phase A; the remaining steps are consistent with Example 1.

[0027] Comparative Example 3 The difference between Comparative Example 3 and Example 1 is that 0.5 kg of thickener, 10 kg of first emollient, 2 kg of emulsifier, 1 kg of first stabilizer, 6 kg of trimethylsiloxysilicate, 0.5 kg of adsorbent, and 0.05 kg of antioxidant are added to the oil phase pot, stirred and heated to 70°C to obtain oil phase A; the remaining steps are consistent with Example 1.

[0028] Performance test durability: 80 healthy Chinese women aged 25-45 years old with no obvious facial trauma and disease and dry cheekbones from the same region were recruited and divided into 8 experimental groups, corresponding to Examples 1-5 and Comparative Examples 1-3, respectively; cleansed their faces at 8 a.m., then used 1 ml of the foundation in the examples or comparative examples on their faces, and scored eight hours later on a scale of 0-10 points. The higher the score, the better the makeup effect. The average of each experimental group was taken. The higher the average, the longer the foundation lasted.

[0029] Table 1 Performance test results of baked loose powder sample Makeup effect score Example 1 9.2 Example 2 9.5 Example 3 9.3 Example 4 9.8 Example 5 9.6 Comparative Example 1 7.0 Comparative Example 2 8.5 Comparative Example 3 8.3 Combining Example 1 and Comparative Examples 1-3, the fan liquid in Example 1 has the best lasting effect. It can be seen that when preparing the liquid foundation, acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer and trimethylsiloxysilicate are compounded to obtain a composite film-forming agent, which is added to the liquid foundation, so that the liquid foundation has better durability.

[0030] In combination with Examples 1-3, the powder liquid in Example 2 has the best lasting effect. It can be seen that when preparing the liquid foundation, the raw material ratio in Example 2 is the best, so that the liquid foundation can last for a long time.

[0031] Combining Example 2, Example 4 and Example 5, the powder liquid in Example 4 has the best lasting effect. It can be seen that when preparing the liquid foundation, the preparation conditions in Example 4 are the best, so that the liquid foundation has the longest lasting effect.

[0032] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. A long-lasting liquid foundation, characterized in that: The raw materials of the liquid foundation are composed of the following components in weight percentage: 0.5-1% thickener, 10-15% first emollient, 2-5% emulsifier, 1-3% first stabilizer, 3-5% acrylic acid (ester) / polytrimethylsiloxane methacrylate copolymer, 3-5% trimethylsiloxysilicate, 0.5-3% adsorbent, 0.05-1% antioxidant, 10-15% second emollient, 10-20% colorant, 0.5-1% second stabilizer, 1-5% humectant, 0.05-1% chelating agent, 1-10% solvent, 0.5-1% preservative, 0.1-1% third emollient, and the balance is water.

2. A long-lasting liquid foundation according to claim 1, characterized in that: The first emollient comprises a mixture of isododecane and polydimethylsiloxane.

3. The long-lasting liquid foundation according to claim 1, characterized in that: The emulsifier includes a mixture of cetyl PEG / PPG-10 / 1 polydimethylsiloxane and PEG-10 polydimethylsiloxane.

4. The long-lasting liquid foundation according to claim 1, characterized in that: The second emollient comprises a mixture of dicaprylyl carbonate, vitamin E, and butylene glycol dicaprylate / dicaprate.

5. The long-lasting liquid foundation according to claim 1, characterized in that: The colorant includes a mixture of colorant CI77891, aluminum hydroxide, colorant CI 77492, colorant CI 77491, colorant CI 77499 and triethoxyoctylsilane.

6. The long-lasting liquid foundation according to claim 1, characterized in that: The humectant includes propylene glycol.

7. The long-lasting liquid foundation according to claim 1, characterized in that: The chelating agent includes disodium EDTA.

8. The long-lasting liquid foundation according to claim 1, characterized in that: The preservative comprises a mixture of phenoxyethanol and ethylhexylglycerin.

9. The long-lasting liquid foundation according to claim 1, characterized in that: The third emollient comprises a mixture of caprylyl glycol and ethylhexylglycerin.

10. A method for preparing the long-lasting liquid foundation according to any one of claims 1 to 9, characterized in that: The following steps are involved: The thickener, the first emollient, the emulsifier, the first stabilizer, the acrylate / polytrimethylsiloxane methacrylate copolymer, the trimethylsiloxysilicate, the adsorbent, and the antioxidant are stirred and heated to 70-75° C. to obtain an oil phase A; Grind the second emollient and colorant, add them to oil phase A, and heat to 75-80° C. to obtain oil phase B; Mix water, the second stabilizer, the moisturizer, the chelating agent and the solvent evenly, and heat to dissolve at 70-75°C to emulsify to obtain a water phase; Add the water phase to the oil phase, homogenize at a speed of 2500-3000 rpm for 5-15 minutes, cool down, add preservatives and a third emollient, homogenize at a speed of 2500-3000 rpm for 3-7 minutes, match the color, and vacuum to obtain a long-lasting liquid foundation.