Water-in-oil type water outlet liquid foundation and preparation method thereof

Abstract

The invention relates to a water-in-oil type water outlet liquid foundation and a preparation method thereof. The water-in-oil type water outlet liquid foundation comprises the following components in percentage by mass: 26.15%-38% of an oil phase component which comprises volatile oil, an emulsifier, an emollient, a dispersing agent and an oil phase additive; the water phase component is 14.53% to 18.03% and comprises a humectant and a water phase additive; 15% to 18% of a colorant; and the balance of water. Wherein the mass content of the volatile grease in the liquid foundation ranges from 13% to 17%, and the viscosity of the volatile grease ranges from 0.65 mPa. S to 1.5 mPa. S. According to the water-in-oil type water outlet liquid foundation provided by the invention, the volatile oil is added, so that the content of an emulsifier is not reduced, the addition amount of powder is increased, and good demulsification and water outlet effects and relatively high covering power are achieved.

Description

Technical Field

[0001] The present application relates to the field of cosmetic technology, and in particular to a water-in-oil type water-dispensable liquid foundation and a preparation method thereof. Background Art

[0002] Water-in-water emulsified cream system, the inner phase is water, generally added in a ratio of 80%-90%, the outer phase is oil, generally added in an amount of less than 10%, and the emulsifier is generally between 0.5%-3%, which is adjusted according to different emulsifiers. Generally, the weaker the emulsification ability of the emulsifier, the greater the amount to be added. Water-in-water cream is a critically unstable system, so it can break the emulsion when rubbed on the skin. It is characterized by a light gel-like texture and moisturizing feeling, suitable for consumers who pursue natural makeup effects and comfort. Its advantage is that the product has a strong moisturizing feeling, unlike traditional cream products that are greasy, but light and easy to apply. Compared with traditional cream-like makeup products, the texture of water-in-water cream is lighter, similar to gel but does not add burden to the skin. This texture makes it easier to spread when applied and does not leave a heavy feeling. In addition, water-in-water creams usually contain high water content and moisturizing ingredients, such as glycerin or propylene glycol, which can help maintain the moisture of the skin and enhance the comfort and softness of the skin.

[0003] In the existing water-dispersing cream products, the principle is to reduce the emulsifier content to make the system reach a critical metastable state. The oil phase content in the formula system is low and the water phase content is high. When used, the interface film is destroyed by external force to achieve the effect of demulsification and water release. However, due to the low emulsifier content in the formula, the product stability is poor, and due to the low oil phase content in the system, the added content of powder in the system is limited, resulting in poor product covering power; in addition, the low oil phase content in the formula will also cause the skin to feel too dry in the later stage, and it is impossible to achieve a good long-term moisturizing effect. Summary of the invention

[0004] In view of the problems existing in the prior art, the embodiments of the present application provide a water-in-oil type water-out liquid foundation and a preparation method thereof, which can improve the covering power and moisturizing effect of the liquid foundation product.

[0005] In a first aspect, the present application provides a high-coverage oil-in-water liquid foundation, which comprises the following components in percentage by mass:

[0006] Oil phase components, 26.15% to 38%, including volatile oils, emulsifiers, emollients, dispersants and oil phase additives;

[0007] Aqueous phase components, 14.53% to 18.03%, including humectants and aqueous phase additives;

[0008] Colorants, 15% to 18%;

[0009] The balance is water;

[0010] The mass content of the volatile oil in the liquid foundation is 13% to 17%, and the viscosity of the volatile oil is 0.65 mPa.s to 1.5 mPa.s.

[0011] The demulsification and water release of the water-dispersible liquid foundation provided in the embodiments of the present application does not depend on the content of the emulsifier, so the content of the emulsifier can be appropriately increased to improve the stability of the water-dispersible liquid foundation; and the water-dispersible liquid foundation has a higher oil phase content, which can achieve a long-lasting moisturizing effect, and at the same time, the amount of powder added in the water-dispersible liquid foundation can be increased to make it have a higher covering power.

[0012] In some embodiments, the volatile oil includes one or more of dimethicone, isododecane, and phenyl trimethicone.

[0013] In some embodiments, the mass content of the emulsifier in the water-effect liquid foundation is 4% to 6%.

[0014] In some embodiments, the emulsifier includes one or more of cetyl PEG / PPG-10 / 1 dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, lauryl PEG-10 tri(trimethylsiloxy)silylethyl dimethicone, cetyl diglyceryl tri(trimethylsiloxy)silylethyl dimethicone, PEG-10 dimethicone, and sorbitan sesquiisostearate.

[0015] In some embodiments, the dispersing agent includes polyglyceryl-3 polydimethylsiloxyethyl dimethicone.

[0016] In some embodiments, the mass content of the dispersant in the water-dispersible liquid foundation is 0.5% to 1%.

[0017] In some embodiments, the emollient includes one or more of phenyl trimethicone, squalane, diisostearyl malate, bis-diglyceryl polyacyladipate-2, and tridecyl trimellitate.

[0018] In some embodiments, the mass content of the emollient in the water-effect foundation is 5% to 9%.

[0019] In some embodiments, the humectant includes one or more of butylene glycol and glycerin.

[0020] In some embodiments, the weight content of the moisturizer in the water-extracting liquid foundation is 13% to 16%.

[0021] In some embodiments, the water phase additives include one or more of preservatives, emulsion stabilizers, and chelating agents.

[0022] In some embodiments, the oil phase additive includes one or more of a rheology modifier, an antimicrobial agent, and a film former.

[0023] In some embodiments, the colorant includes one or more of titanium dioxide, red iron oxide, yellow iron oxide, and black iron oxide.

[0024] In a second aspect, the present application provides a method for preparing a high-coverage oil-in-water liquid foundation, comprising the following steps:

[0025] Mixing water, a moisturizing agent and a water phase additive according to a proportion to obtain a water phase component;

[0026] Mixing volatile oil, emulsifier, dispersant, emollient and oil phase additive according to a proportion to obtain an oil phase component;

[0027] The colorant is mixed with the oil phase component, and then the water phase component is added and mixed to obtain a liquid foundation.

[0028] In some embodiments, the mixing temperature of the aqueous phase components is 60°C to 65°C.

[0029] In some embodiments, the mixing temperature of the oil phase components is 60°C to 65°C. DETAILED DESCRIPTION

[0030] The features and exemplary embodiments of various aspects of the application will be described in detail below. In the detailed description below, many specific details are proposed to provide a comprehensive understanding of the application. However, it is obvious to those skilled in the art that the application can be implemented when some details in these specific details are not needed. The following description of the embodiment is only to provide a better understanding of the application by illustrating the example of the application. In the following description, at least part of the known technology is not shown, so as to avoid causing unnecessary ambiguity to the application. In addition, the features, structures or characteristics described hereinafter may be combined in one or more embodiments in any suitable manner.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish an entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. In the description of the present application, it should be noted that, unless otherwise specified, the meaning of "multiple" is more than two. Moreover, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only include those elements, but also include other elements not clearly listed, or also include elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements limited by the sentence "include..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements.

[0032] [Water-in-oil liquid foundation]

[0033] The embodiment of the first aspect of the present application provides a water-in-oil type water-release liquid foundation, which comprises the following components in terms of mass percentage:

[0034] Oil phase components, 26.15% to 38%, including volatile oils, emulsifiers, emollients, dispersants and oil phase additives;

[0035] Aqueous phase components, 14.53% to 18.03%, including humectants and aqueous phase additives;

[0036] Colorants, 15% to 18%;

[0037] The balance is water;

[0038] Among them, the viscosity of volatile oils is 0.65mPa.s to 1.5mPa.s.

[0039] The water-in-oil type water-dispensing liquid foundation provided in the embodiment of the present application adds volatile oils as the main oil phase component in the system. Since volatile oils have a high volatilization rate, the volatile oils will evaporate quickly during the film coating process when the water-dispensing liquid foundation is used, which makes the proportion of the external phase (i.e., the oil phase) in the water-dispensing liquid foundation decrease rapidly, and the internal phase cannot be wrapped, resulting in water discharge, thereby achieving the effect of rapid demulsification. The demulsification and water discharge of the water-dispensing liquid foundation provided in the embodiment of the present application does not depend on the content of the emulsifier, so the content of the emulsifier can be appropriately increased to improve the stability of the water-dispensing liquid foundation; and the water-dispensing liquid foundation has a high oil phase content, which can achieve a long-lasting moisturizing effect, and at the same time, the amount of powder added in the water-dispensing liquid foundation can be increased to make it have a higher covering power.

[0040] In some embodiments, the volatile oil includes one or more of dimethicone, isododecane, and phenyl trimethicone.

[0041] The volatile oils mentioned above have good volatility at relatively low viscosity, and can enable the water-dispersing liquid foundation to achieve the effect of rapid demulsification and water dispersal during application.

[0042] In some embodiments, the mass content of volatile oil in the water-soluble liquid foundation may be 13% to 17%. For example, the mass content of volatile oil in the water-soluble liquid foundation may be 13%, 13.5%, 14%, 14.5%, 15%, 15.5%, 16%, 16.5%, 17%, or a range consisting of any of the above values.

[0043] The content of volatile oil in the water-dispersible liquid foundation is controlled within the above range. On the one hand, the water-dispersible liquid foundation can be quickly watered and demulsified during application. On the other hand, the water-dispersible liquid foundation can have a higher oil phase content, which can make the liquid foundation have a long-lasting moisturizing effect while increasing the amount of powder added, so that the water-dispersible liquid foundation can have a higher covering power.

[0044] In some embodiments, the mass content of the emulsifier in the water-soluble liquid foundation is 4% to 6%. For example, the mass content of the emulsifier in the water-soluble liquid foundation can be 4.0%, 4.2%, 4.5%, 4.8%, 5.0%, 5.2%, 5.5%, 5.8%, 6.0%, or a range consisting of any of the above values.

[0045] When the content of the emulsifier is controlled within the above range, a better emulsification effect can be achieved, so that the water-based liquid foundation has higher stability.

[0046] In some implementations, the emulsifier may include one or more of cetyl PEG / PPG-10 / 1 dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, lauryl PEG-10 tris(trimethylsiloxy)silylethyl dimethicone, cetyl diglyceryl tris(trimethylsiloxy)silylethyl dimethicone, PEG-10 dimethicone, and sorbitan sesquiisostearate.

[0047] In some embodiments, the dispersant may include Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone.

[0048] In some embodiments, the mass content of the dispersant in the water-soluble liquid foundation may be 0.5% to 1%. For example, the mass content of the dispersant in the water-soluble liquid foundation may be 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1.0%, or any range thereof.

[0049] In some embodiments, the emollient may include one or more of phenyl trimethicone, squalane, diisostearyl malate, bis-diglyceryl polyacyladipate-2, tridecyl trimellitate.

[0050] In some embodiments, the mass content of the emollient in the water-soluble foundation may be 5% to 9%. For example, the mass content of the emollient in the water-soluble foundation may be 5.0%, 5.5%, 6.0%, 6.5%, 7.0%, 7.5%, 8.0%, 8.5%, 9.0%, or a range consisting of any of the above values.

[0051] In some embodiments, the humectant may include one or more of butylene glycol and glycerin.

[0052] In some embodiments, the mass content of the moisturizing agent in the water-dispersible liquid foundation may be 13% to 16%. For example, the mass content of the moisturizing agent in the water-dispersible liquid foundation may be 13.0%, 13.5%, 14.0%, 14.5%, 15.0%, 15.5%, 16.0%, or a range consisting of any of the above values.

[0053] In some embodiments, the water phase additives may include one or more of a preservative, an emulsion stabilizer, and a chelating agent.

[0054] Exemplarily, the preservative may include one or more of phenoxyethanol, paraben, benzoic acid, benzyl alcohol, and sorbic acid.

[0055] Illustratively, the emulsion stabilizer may include one or more of sodium chloride and magnesium sulfate.

[0056] Illustratively, the chelating agent may include one or more of disodium ethylenediaminetetraacetate (disodium EDTA), diaminetetraacetic acid (EDTA), and disodium nitrilotriacetate (NTA).

[0057] In some embodiments, the oil phase additives may include one or more of a rheology modifier, an antimicrobial agent, and a film former.

[0058] Exemplarily, the rheology modifier may include one or more of disteardimonium hectorite, quaternium-90 bentonite, and stearalkonium chloride bentonite.

[0059] The antimicrobial agent may include one or more of ethylhexylglycerin, p-hydroxyacetophenone, hexylene glycol, and pentylene glycol.

[0060] The film former may include one or more of trimethylsiloxysilicate, acrylates / polydimethylsiloxane copolymer, polymethylsilsesquioxane, acrylates / polytrimethylsiloxane methacrylate copolymer, and dextrin isostearate.

[0061] In some embodiments, the colorant may include one or more of titanium dioxide, red iron oxide, yellow iron oxide, and black iron oxide.

[0062] [Preparation method]

[0063] The embodiment of the second aspect of the present application provides a method for preparing the water-in-oil type water-dispensable liquid foundation of the embodiment of the first aspect of the present application, comprising the following steps:

[0064] S10, mixing water, a moisturizing agent and a water phase additive according to a proportion to obtain a water phase component;

[0065] S20, mixing volatile oil, emulsifier, dispersant, emollient and oil phase additive according to a proportion to obtain an oil phase component;

[0066] S30, mixing the colorant with the oil phase component, and then adding the water phase component to mix, so as to obtain a liquid foundation.

[0067] In some embodiments, the mixing temperature of the aqueous phase components can be 60° C. to 65° C. For example, the mixing temperature of the aqueous phase components can be 60° C., 61° C., 62° C., 63° C., 64° C., 65° C., or a range thereof.

[0068] In some embodiments, the mixing temperature of the oil phase components may be 60° C. to 65° C. For example, the mixing temperature of the oil phase components may be 60° C., 61° C., 62° C., 63° C., 64° C., 65° C., or a range thereof.

[0069] Example

[0070] The present invention is described below with reference to specific examples. It should be noted that the examples described below are exemplary and are only used to explain the present application, and should not be construed as limiting the present application. If no specific techniques or conditions are specified in the examples, the techniques or conditions described in the literature in this area or the product specifications are used. If the manufacturer of the reagents or instruments is not specified, they are all conventional products that can be obtained commercially.

[0071] Examples 1-5

[0072] The composition ratio of the water-in-oil type water-injection liquid foundation is shown in Table 1, and the preparation method is as follows:

[0073] Preparation of water phase: Mix water, butylene glycol, glycerin, sodium chloride, phenoxyethanol and disodium EDTA at 60°C-65°C according to the proportion of the ingredients to obtain a water phase component;

[0074] Preparation of oil phase: 1 cSt polydimethylsiloxane, cetyl PEG / PPG-10 / 1 polydimethylsiloxane, PEG-10 polydimethylsiloxane, polyglyceryl-3 polydimethylsilyl hydroxyethyl polydimethylsiloxane, sorbitan sesquiisostearate, ethylhexylglycerin, trimethylsiloxysilicate, squalane, phenyl trimethicone, and disteardimonium hectorite were uniformly mixed according to a proportion at 60° C.-65° C. to obtain an oil phase component;

[0075] Preparation of coloring agent: Mix coloring agents titanium dioxide, red iron oxide, yellow iron oxide and black iron oxide in a ratio of 1:1:1:1 and put them into a powdering pot, and perform powdering operation twice, each time for 15 seconds, to obtain the coloring agent;

[0076] The colorant was added to the oil phase component, homogenized and dispersed at a speed of 5000 rpm for 15 minutes, and then the water phase component was slowly added, and the homogenization was continued at a speed of 6500 rpm for 10 minutes. The mixture was cooled to room temperature to obtain an oil-in-water type water-dispersible liquid foundation.

[0077] Comparative Examples 1-4

[0078] The preparation method of the water-in-oil liquid foundation is similar to that of Example 1, except that the composition parameters are different, as shown in Table 1.

[0079] Table 1:

[0080]

[0081] Sample water effect evaluation:

[0082] 30 subjects aged 20-40 were selected, half of them were male and half were female. Each time, they took an equal amount of the water-release liquid foundation of Examples 1 to 5 and Comparative Examples 1 to 4, applied them in a circular motion 8 times, and then evaluated the water-release effect by scoring (0 to 5 points, the higher the score, the better the water-release effect, and vice versa, the average score was taken). The test results refer to Table 2.

[0083] Table 2

[0084]

[0085] From the results in Table 3, it can be seen that when the amount of volatile oil added is less than that at a lower level, the water-release effect of the water-release liquid foundation becomes worse.

[0086] Embodiment 6-9

[0087] The preparation method of the water-in-oil type water-out liquid foundation is similar to that of Example 1, and the contents of the other components are the same as those of Example 1, except that the content of the emulsifier cetyl PEG / PPG-10 / 1 polydimethylsiloxane is different, as shown in Table 3 for details.

[0088] Table 3

[0089] Example 6 Example 7 Example 8 Example 9 Cetyl PEG / PPG-10 / 1 Polydimethylsiloxane 2 1.5 1 0.5

[0090] Sample stability test evaluation:

[0091] Each sample was filled into 7 PET bottles, and then placed under -15℃ / 4℃ / 25℃ / 37℃ / 48℃ / cycle / light conditions for three months to observe stability. If all conditions tested without problems, the score was 7 points. If there was a problem with the sample under one condition, 1 point was deducted. The higher the score, the better the stability. The specific results are shown in Table 4.

[0092] Table 4

[0093] Group Example 1 Example 6 Example 7 Example 8 Example 9 Evaluation score 7 6 5 4 0

[0094] Combined with the data in Table 4, it can be seen that when the emulsifier content is low, the sample stability is poor.

[0095] Comparative Examples 5-8

[0096] The preparation method of the conventional water-dispersible liquid foundation is similar to that of Example 1, except that the component ratios of the liquid foundation are different, as shown in Table 5.

[0097] Table 5

[0098]

[0099]

[0100] Sample moisturizing performance test:

[0101] 30 subjects aged 20-40 were selected, half of them were male and half were female. The subjects cleaned their faces uniformly, using the same facial cleanser and wiping them with dry tissues. Before the formal test, the subjects sat quietly in a constant temperature and humidity room at 21±1℃ and relative humidity: 50±10% for 30 minutes, without drinking water or beverages, and kept relaxed. The CM825 skin moisture tester tests the skin moisture content of the subjects' faces immediately and at 8 hours after using the product and calculates the decrease value. The smaller the decrease value of the skin moisture content, the better the long-term moisturizing effect of the product. The test results are shown in Table 6.

[0102] Sample covering performance evaluation:

[0103] 30 subjects aged 20-40 years old were selected, half of them were male and half were female. Each time, an equal amount of the water-dispersed liquid foundation of the embodiment and the comparative example was taken, and makeup was applied to the left and right sides of the face respectively. The facial pigmentation value was tested using the Antera 3D tester before and after makeup, and the average decrease value of the facial pigment before and after makeup was calculated. The larger the difference, the better the covering power. Finally, the average value of the change value of the facial pigmentation value of each sample before and after use by the 30 subjects was calculated. The specific results are shown in Table 6.

[0104] Table 6

[0105]

[0106] Combined with the data in Table 6, it can be seen that the water-in-oil type water-out liquid foundation provided in the embodiments of the present application has better covering power and long-lasting moisturizing effect.

[0107] It should be noted that the present application is not limited to the above-mentioned embodiments. The above-mentioned embodiments are only examples, and the embodiments having the same structure as the technical idea and exerting the same effect within the scope of the technical solution of the present application are all included in the technical scope of the present application. In addition, without departing from the scope of the main purpose of the present application, various modifications that can be thought of by those skilled in the art to the embodiments and other methods of combining some of the constituent elements in the embodiments are also included in the scope of the present application.

Claims

1. A water-in-oil type water-dispensable liquid foundation, characterized in that: The components are as follows in terms of mass percentage: Oil phase components, 26.15% to 38%, including volatile oils, emulsifiers, emollients, dispersants and oil phase additives; Aqueous phase components, 14.53% to 18.03%, including humectants and aqueous phase additives; Colorants, 15% to 18%; The balance is water; The mass content of the volatile oil in the liquid foundation is 13% to 17%, and the viscosity of the volatile oil is 0.65 mPa.s to 1.5 mPa.s.

2. The water-in-oil type water-dispensable liquid foundation according to claim 1, characterized in that: The volatile oils include one or more of polydimethylsiloxane, isododecane, and phenyl trimethicone.

3. The water-in-oil type water-release liquid foundation according to claim 1, characterized in that: The mass content of the emulsifier in the water-dispersible foundation liquid is 4% to 6%.

4. The water-in-oil type water-release liquid foundation according to claim 1 or 3, characterized in that: The emulsifier includes one or more of cetyl PEG / PPG-10 / 1 polydimethylsiloxane, lauryl PEG-9 polydimethylsiloxyethyl polydimethylsiloxane, lauryl PEG-10 tri(trimethylsiloxy)silylethyl polydimethylsiloxane, cetyl diglyceryl tri(trimethylsiloxy)silylethyl polydimethylsiloxane, PEG-10 polydimethylsiloxane, and sorbitan sesquiisostearate.

5. The water-in-oil type water-release liquid foundation according to claim 1, characterized in that: The dispersant includes polyglyceryl-3 polydimethylsilyl hydroxyethyl polydimethylsiloxane; and / or The mass content of the dispersant in the water-dispersed liquid foundation is 0.5% to 1%.

6. The water-in-oil type water-infused liquid foundation according to claim 1, characterized in that: The emollient comprises one or more of phenyl trimethicone, squalane, diisostearyl malate, bis-diglyceryl polyacyl adipate-2, and tridecyl trimellitate; and / or The mass content of the emollient in the water-discharged foundation liquid is 5% to 9%.

7. The water-in-oil type water-dispensable liquid foundation according to claim 1, characterized in that: The moisturizing agent includes one or more of butylene glycol and glycerin; and / or The mass content of the moisturizing agent in the water-discharged foundation liquid is 13% to 16%.

8. The water-in-oil type water-infused liquid foundation according to claim 1, characterized in that: The water phase additives include one or more of preservatives, emulsion stabilizers, and chelating agents; and / or The oil phase additives include one or more of a rheology modifier, an antibacterial agent, and a film former; and / or The colorant includes one or more of titanium dioxide, red iron oxide, yellow iron oxide, and black iron oxide.

9. The method for preparing the water-in-oil type water-dispensable liquid foundation according to any one of claims 1 to 8, characterized in that: The steps include: Mixing water, a moisturizing agent and a water phase additive according to a proportion to obtain a water phase component; Mixing volatile oil, emulsifier, dispersant, emollient and oil phase additive according to a proportion to obtain an oil phase component; The colorant is mixed with the oil phase component, and then the water phase component is added and mixed to obtain a liquid foundation.

10. The preparation method according to claim 9, characterized in that: The mixing temperature of the aqueous phase components is 60°C to 65°C; and / or The mixing temperature of the oil phase components is 60°C to 65°C.

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