CN110339146B

CN110339146B - Water-in-oil-in-water foundation liquid and preparation method thereof

Info

Publication number: CN110339146B
Application number: CN201910771430.6A
Authority: CN
Inventors: 谢云波; 叶勇
Original assignee: Guangzhou Zhenyan Cosmetics Co ltd
Current assignee: Guangzhou Zhenyan Cosmetics Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2022-04-29
Anticipated expiration: 2039-08-21
Also published as: CN110339146A

Abstract

The invention provides an aqueous-in-oil-in-aqueous foundation fluid and a preparation method thereof. The water-in-oil-in-water foundation fluid comprises: (1) a first aqueous phase; (2) oil phase, which contains 0.5-1.5wt% of sorbitan sesquioleate and 3-10wt% of oleophylic titanium dioxide; (3) a second aqueous phase containing 1-2wt% of potassium cetyl phosphate. The foundation liquid prepared by the method has the refreshing, water-moistening and easy-to-make-up effects of the oil-in-water foundation liquid, has the effects of moistening and moisturizing, lasting make-up effect, water resistance and sweat resistance and difficult make-up removal of the water-in-oil foundation liquid, is low in price, convenient to use and simple in preparation method, and achieves the purpose of preparing the high-performance foundation liquid capable of meeting dry, oily and mixed skin types.

Description

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

Technical Field

The invention relates to the field of cosmetics, in particular to a water-in-oil-in-water foundation liquid and a preparation method thereof.

Background

Foundation is a cosmetic product that is applied to the face to provide a finish and a covering effect. Specifically, the foundation can correct the complexion and texture of the face, cover pigmentation such as freckles and chloasma on the skin, and improve the rough feeling of the skin. It also scatters and isolates ultraviolet rays, preventing damage to the skin from excessive ultraviolet rays.

The existing foundation products are distinguished from product formulas and comprise three categories of full oil, oil-in-water (O/W) and water-in-oil (W/O), wherein the full oil foundation has the strongest covering property, but is more expensive in unit price, and is not suitable for the consumption concept of common consumers, so that a few pump consumers are in charge; oil-in-water foundation has light skin feel and is water-moist but not waterproof, and is easy to float and remove. The water-in-oil foundation is waterproof and sweat-proof, is not easy to float and remove, but has heavy skin feel, is greasy and has poor experience of consumers. Accordingly, there is a need in the market for improvements to foundation products.

After long-term research in the field, the inventor of the present invention has prepared an aqueous-in-oil foundation having the characteristics of light skin feel, water-moist and comfortable touch, easy makeup application, water resistance, sweat resistance, and difficulty in makeup removal, thereby completing the present invention.

Disclosure of Invention

The invention aims to provide a novel water-in-oil-in-water foundation lotion which has the characteristics of light skin feel, water-moist patch, easy makeup application, water resistance, sweat resistance, difficult powder floating and makeup removal and skin nourishing.

In order to achieve the purpose of the invention, the specific technical scheme is as follows:

an aqueous-in-oil-in-aqueous foundation comprising:

(1) a first aqueous phase;

(2) oil phase, which contains 0.5-1.5wt% of sorbitan sesquioleate and 3-10wt% of oleophylic titanium dioxide;

(3) a second aqueous phase containing 1-2wt% of potassium cetyl phosphate.

In some of these embodiments, the surface treatment agent of the oleophilic treated titanium dioxide is triethoxyoctylsilane.

In some embodiments, the addition amount of the sorbitan sesquioleate in the oil phase is 1wt%, and the addition amount of the oleophylic titanium dioxide is 3.5 wt%.

In some of these examples, the potassium cetyl phosphate is added to the second aqueous phase in an amount of 1.5 wt%.

The first aqueous phase according to the invention may contain moisturizing ingredients. In some embodiments, the moisturizing component is composed of propylene glycol and glycerin.

The oil phase of the present invention may also contain a film former. In some embodiments, the film former is an acrylic/polydimethylsiloxane copolymer, and the acrylic/polydimethylsiloxane copolymer is added in an amount of 0.5-2 wt%.

The oil phase of the present invention may also contain emollient oils. In some embodiments, the emollient oil is added in an amount of 3-8wt%, and the emollient oil may be composed of hydrogenated polyisobutene, isononyl isononanoate, and cyclopenta dimethyl silicone.

The second aqueous phase according to the invention may contain a suspension thickener. In some embodiments, the suspension thickener is added in an amount of 0.5 to 1wt%, and the suspension thickener may be xanthan gum.

The water-in-oil-in-water foundation fluid can also contain the following components: 0.1-5wt% of pearl powder and 0.1-5wt% of amber powder.

The embodiment of the invention also provides a preparation method of the water-in-oil-in-water foundation fluid, which comprises the following steps:

(1) stirring and dissolving emollient oil, film-forming agent and sorbitan sesquioleate uniformly, adding oleophylic titanium dioxide, and grinding for 2-3 times by colloid mill until pigment is completely dispersed uniformly to obtain oil phase;

(2) uniformly mixing propylene glycol, glycerol and part of water to obtain a first water phase;

(3) slowly dripping the first water phase into the oil phase under high-speed stirring, and homogenizing at high speed to obtain a uniform emulsion to obtain a water-in-oil emulsion;

(4) mixing the potassium cetyl phosphate, the suspension thickening agent and the rest water, heating to 80-85 ℃, homogenizing and dispersing uniformly, and stirring for 10 minutes under the condition of heat preservation to obtain a second water phase;

(5) slowly dripping the water-in-oil emulsion prepared in the step (3) into a second water phase under high-speed stirring until the stirring is uniform, then adding the preservative and the essence, and stirring and mixing uniformly to obtain the water-in-oil-in-water foundation liquid.

Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following beneficial effects:

(1) the invention is a water-in-oil-in-water (W/O/W) type multiple foundation solution, its necessary condition for forming is very harsh, first, choose W/O emulsifier sorbitan sesquioleate, wrap the first aqueous phase (W1) in the oil (O), form W1/O emulsion, its liquid droplet is formed by some small, inner aqueous phase liquid droplets separated each other, the non-polar end of the emulsifier locates at the oil phase, the polar end locates at the inner aqueous phase, under the assistance of titanium pigment of oleophylic treatment, the W1/O interface has formed the stable interfacial film, and is homogeneous, white stable W1/O emulsion; then, selecting an O/W emulsifier potassium cetyl phosphate, preparing a second water phase (W2) with the residual water-soluble raw materials, slowly adding the W1/O emulsion into the second water phase (W2) at a proper stirring speed (800-. As can be seen from the examples, the water-in-oil-in-water foundation (example 3 and the sensory test part) prepared from the sorbitan sesquioleate, the oleophylic titanium dioxide and the potassium cetyl phosphate has the refreshing, water-moistening and easy makeup effects of the oil-in-water foundation solution, and also has the moisturizing and moisturizing effects of the water-in-oil foundation solution, the lasting makeup effect, the water resistance and the sweat resistance and the difficult makeup removal effect.

(2) The moisture-keeping components and the skin-moistening oil are reasonably matched, so that the excellent moistening degree and the makeup effect are provided, and the texture is soft

The product has the advantages of smooth and light silkiness, smoothness, moisture retention, water resistance, lasting makeup effect, higher stability, and no oil floating and layered demulsification phenomenon in one month at the conditions of 25 ℃, 48 ℃, 5 ℃ and-15 ℃.

(3) The liquid foundation prepared by the method has the advantages of refreshing, water-moistening and easy makeup of the oil-in-water liquid foundation

The water-in-oil foundation liquid has the effects of moistening and moisturizing, lasting makeup effect, water resistance and sweat resistance, and difficulty in makeup removal, is low in price, convenient to use and simple in preparation method, and achieves the purpose of preparing the high-performance foundation liquid capable of meeting dry, oily and mixed skin types.

Detailed Description

The present invention is further illustrated in detail by the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.

All percentages are based on the total weight of the water-in-oil-in-water foundation of the present invention, unless otherwise specified. All such weights as they pertain to listed ingredients are based on the active level and, therefore, do not include carriers or by-products that may be included in commercially available materials.

The brief introduction of part of the raw materials involved in the examples of the present invention is as follows:

the sorbitan sesquioleate can be obtained from British grass and has a trade name of SP 83;

the potassium cetyl phosphate can be from Dismann, Netherlands under the trade name Amphicol K;

the hydrogenated polyisobutene, also known as synthetic squalane, can be obtained from Japan Photochemistry under the trade name Polysynlane 2;

the isononyl isononanoate, also known as silk oil, can be obtained from belgian olpa under the trade name ININ;

the film-forming agent is diluted by acrylic acid (ester)/polydimethylsiloxane copolymer in cyclopentadecyldimethyl siloxane solvent, and can be obtained from Nippon Xinyue under the trade name of KP 545;

the titanium dioxide can be obtained from Korean ENTOP under the trade name of TiO2 AS, and is subjected to surface treatment by triethoxy octyl silane, and the particle size is 190-210 nm;

the propylene glycol can be from Zhonghai shell brand, and the commodity is PG;

the glycerol can be from Malayan Muli, and is available under the trade name Glycerin;

the xanthan gum can be from Spanish Kekelong of America and has a trade name of Keltrol CG-T;

the methyl hydroxybenzoate can be obtained from Switzerland Kelain under the trade name MPB;

the p-hydroxyacetophenone can be from Janus of Germany with the trade name Symsave H;

example 1

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: sorbitan sesquioleate 0.5%, cetyl phosphate potassium 2%, hydrogenated polyisobutene 1%, isononyl isononanoate 3%, cyclopentadimethylsiloxane 1%, acrylic acid (ester) copolymer/polydimethylsiloxane copolymer 2%, water-repellent titanium dioxide 3%, propylene glycol 5%, glycerol 1%, xanthan gum 1%, methyl hydroxybenzoate 0.05%, p-hydroxyacetophenone 0.15%, glyceryl caprylate 0.2%, caprylyl hydroxamic acid 0.2%, essence 0.1%, and water in balance; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

The preparation method of the water-in-oil-in-water foundation fluid comprises the following steps:

(1) stirring hydrogenated polyisobutene, isononyl isononanoate, cyclopenta dimethyl siloxane, acrylic acid (ester)/dimethyl siloxane copolymer and sorbitan sesquioleate for uniform dissolution, adding oleophylic titanium dioxide, and grinding for 3 times by a colloid mill until the pigment is completely and uniformly dispersed to obtain an oil phase;

(2) uniformly mixing propylene glycol, glycerol and 30% of water to obtain a first water phase;

(4) mixing the rest water, potassium cetyl phosphate, xanthan gum, methylparaben and p-hydroxyacetophenone, heating to 85 ℃, homogenizing and dispersing uniformly, and stirring for 10 minutes under the condition of heat preservation to obtain a second water phase;

(5) slowly dripping the water-in-oil emulsion prepared in the step (3) into a second water phase at the stirring speed of 800rpm/min and the temperature of 80 ℃, homogenizing at the speed of 500rpm/min until the stirring is uniform, adding the glyceryl caprylate, the caprylyl hydroxamic acid and the essence, and uniformly stirring and mixing to obtain the water-in-oil-in-water foundation liquid.

In this example, 30% of water in step (2) means based on the total weight of water. If the amount of water added to the formulation is 5kg, the weight of 30% water is 1.5 kg. The percentage of water referred to in step (2) of the subsequent examples 2-5 is also based on the total weight of water.

Example 2

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1.5% of sorbitan sesquioleate, 1% of potassium cetyl phosphate, 3% of hydrogenated polyisobutene, 1% of isononyl isononanoate, 2% of cyclopentasiloxane, 0.5% of acrylic acid (ester)/polydimethylsiloxane copolymer, 10% of water-proof titanium dioxide, 1% of propylene glycol, 5% of glycerol, 0.5% of xanthan gum, 0.05% of methylparaben, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroximic acid, 0.1% of essence and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

(2) uniformly mixing propylene glycol, glycerol and 70% of water to obtain a first water phase;

(4) mixing the rest water, potassium cetyl phosphate, xanthan gum, methylparaben and p-hydroxyacetophenone, heating to 80 ℃, homogenizing and dispersing uniformly, and stirring for 10 minutes under the condition of heat preservation to obtain a second water phase;

(5) slowly dripping the water-in-oil emulsion prepared in the step (3) into a second water phase at the stirring speed of 1500rpm/min and the temperature of 75 ℃, homogenizing at the speed of 1200rpm/min until the stirring is uniform, adding the glyceryl caprylate, the caprylyl hydroxamic acid and the essence, and uniformly stirring and mixing to obtain the water-in-oil-in-water foundation liquid.

Example 3

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1% of sorbitan sesquioleate, 1.5% of potassium cetyl phosphate, 2% of hydrogenated polyisobutene, 2% of isononyl isononanoate, 1.5% of cyclopenta dimethyl siloxane, 1% of acrylic acid (ester) copolymer/dimethyl siloxane copolymer, 3.5% of water-proof titanium dioxide, 3% of propylene glycol, 3% of glycerol, 0.7% of xanthan gum, 0.05% of methyl hydroxybenzoate, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroximic acid, 0.1% of essence and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

(2) uniformly mixing propylene glycol, glycerol and 40% of water to obtain a first water phase;

(4) mixing the rest water, potassium cetyl phosphate, xanthan gum, methylparaben and p-hydroxyacetophenone, heating to 83 ℃, homogenizing and dispersing uniformly, and stirring for 10 minutes under the condition of heat preservation to obtain a second water phase;

(5) slowly dripping the water-in-oil emulsion prepared in the step (3) into a second water phase at the stirring speed of 1300rpm/min and the temperature of 78 ℃, homogenizing at the speed of 800rpm/min until the stirring is uniform, adding the glyceryl caprylate, the caprylyl hydroxamic acid and the essence, and uniformly stirring and mixing to obtain the water-in-oil-in-water foundation liquid.

Example 4

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1% of sorbitan sesquioleate, 1.5% of potassium cetyl phosphate, 2% of hydrogenated polyisobutene, 2% of isononyl isononanoate, 1.5% of cyclopenta dimethyl siloxane, 1% of acrylic acid (ester) copolymer/dimethyl siloxane copolymer, 3.5% of water-proof titanium dioxide, 3% of propylene glycol, 3% of glycerol, 0.7% of xanthan gum, 0.05% of methyl hydroxybenzoate, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroximic acid, 0.1% of essence, 0.5% of pearl powder, 2% of amber powder and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

(2) uniformly mixing propylene glycol, glycerol, pearl powder, amber powder and 40% of water to obtain a first water phase;

Example 5

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1% of sorbitan sesquioleate, 1.5% of potassium cetyl phosphate, 2% of hydrogenated polyisobutene, 2% of isononyl isononanoate, 1.5% of cyclopenta dimethyl siloxane, 1% of acrylic acid (ester) copolymer/dimethyl siloxane copolymer, 3.5% of water-proof titanium dioxide, 3% of propylene glycol, 3% of glycerol, 0.7% of xanthan gum, 0.05% of methyl hydroxybenzoate, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroximic acid, 0.1% of essence, 1% of pearl powder, 0.5% of amber powder and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

The preparation method is the same as example 4.

To examine the selection of the emulsifiers according to the invention, comparative examples 1 to 2 were provided.

The HLB value is an important index for measuring emulsifying ability of the emulsifier, and the HLB value of potassium cetyl phosphate is about 10 and that of sorbitan sesquioleate is about 3.7, and for comparison, the inventors of the present invention set comparative example 1 and comparative example 2, in which comparative example 1 replaces sorbitan sesquioleate with glycerol monostearate having an HLB value of about 3.8, and comparative example 2 replaces potassium cetyl phosphate with tween 81 (polysorbate-81) having an HLB value of about 10.

In order to investigate the selection of the titanium dioxide, a comparative example 3 is specially set.

In order to examine the selection of the pearl powder and the amber powder, a comparative example 4 is specially arranged.

Comparative example 1

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1% of glycerol monostearate, 1.5% of potassium cetyl phosphate, 2% of hydrogenated polyisobutene, 2% of isononyl isononanoate, 1.5% of cyclopentasiloxane, 1% of acrylic acid (ester)/polydimethylsiloxane copolymer, 3.5% of water-proof titanium dioxide, 3% of propylene glycol, 3% of glycerol, 0.7% of xanthan gum, 0.05% of methylparaben, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroxamic acid, 0.1% of essence and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

The preparation method is the same as example 3.

Comparative example 2

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1% of sorbitan sesquioleate, 811.5% of tween, 2% of hydrogenated polyisobutene, 2% of isononyl isononanoate, 1.5% of cyclopenta dimethyl siloxane, 1% of acrylic acid (ester)/dimethyl siloxane copolymer, 3.5% of water-proof titanium dioxide, 3% of propylene glycol, 3% of glycerol, 0.7% of xanthan gum, 0.05% of methylparaben, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroximic acid, 0.1% of essence and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

The preparation method is the same as example 3.

Comparative example 3

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1% of sorbitan sesquioleate, 1.5% of potassium cetyl phosphate, 2% of hydrogenated polyisobutene, 2% of isononyl isononanoate, 1.5% of cyclopenta dimethyl siloxane, 1% of acrylic acid (ester) copolymer/dimethyl siloxane copolymer, 3.5% of titanium dioxide without surface treatment, 3% of propylene glycol, 3% of glycerol, 0.7% of xanthan gum, 0.05% of methyl hydroxybenzoate, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroxamic acid, 0.1% of essence and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

The preparation method is the same as example 3.

Comparative example 4

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1% of sorbitan sesquioleate, 1.5% of potassium cetyl phosphate, 2% of hydrogenated polyisobutene, 2% of isononyl isononanoate, 1.5% of cyclopenta dimethyl siloxane, 1% of acrylic acid (ester) copolymer/dimethyl siloxane copolymer, 3.5% of water-proof titanium dioxide, 3% of propylene glycol, 3% of glycerol, 0.7% of xanthan gum, 0.05% of methyl hydroxybenzoate, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroximic acid, 0.1% of essence, 2% of pearl powder and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

The preparation method is the same as example 4.

Comparative example 5

The water-in-oil-in-water foundation fluid comprises the following components in percentage by mass: 1% of sorbitan sesquioleate, 1.5% of potassium cetyl phosphate, 2% of hydrogenated polyisobutene, 2% of isononyl isononanoate, 1.5% of cyclopenta dimethyl siloxane, 1% of acrylic acid (ester) copolymer/dimethyl siloxane copolymer, 3.5% of water-proof titanium dioxide, 3% of propylene glycol, 3% of glycerol, 0.7% of xanthan gum, 0.05% of methyl hydroxybenzoate, 0.15% of p-hydroxyacetophenone, 0.2% of glycerol caprylate, 0.2% of caprylyl hydroximic acid, 0.1% of essence, 2% of amber powder and the balance of water; wherein the surface treating agent of the titanium dioxide subjected to waterproof treatment is triethoxyoctylsilane.

The preparation method is the same as example 4.

1. Stability test

The stability of the water-in-oil-in-water foundation solutions prepared in examples 1 to 5 and comparative examples 1 to 5 was tested at 25 ℃, 48 ℃, 5 ℃ and-15 ℃ for one month, and the stability was examined by observing whether the phenomena of de-emulsification by stratification, oil slick, significant thinning, etc. occurred.

The results are shown in table 1:

TABLE 1 stability Table

As shown in the above Table 1, the water-in-oil-in-water foundation solutions prepared in the examples 1 to 5 of the present invention have good stability, and do not generate oil slick and layered emulsion breaking phenomenon in one month at 25 ℃, 48 ℃, 5 ℃ and-15 ℃. While comparative examples 1-3, in which the emulsifier or titanium dioxide was replaced, were unstable.

2. Sensory testing

The samples prepared in example 3 were subjected to smearing tests with commercially available oil-in-water foundation and water-in-oil foundation. The specific test method comprises placing 0.1g of the material on the back of hand, applying the material to the back of hand with closed middle finger and ring finger until absorption, carefully feeling the feeling of use during application, and recording as shown in Table 2 below

TABLE 2 smear test record sheet

As can be seen from Table 2, the foundation liquid prepared by the embodiment of the invention has the refreshing, water-moistening and makeup-facilitating effects of the oil-in-water foundation liquid, and also has the moisturizing and moisture-preserving effects, the makeup effect is lasting, and the foundation liquid is waterproof and sweat-resistant and is not easy to remove.

3. Consumer testing

The skin color test was conducted on the water-in-oil-in-water foundation prepared in examples 4 to 5 and comparative examples 4 to 5 by the summons 40 volunteers. Wherein 40 women in healthy volunteer subjects are 25.8 years old on average, the age range is 24-28 years old, and the skin of the tested part of all the subjects has no abnormality, no obvious scar and pigmentation and is divided into 4 groups. The product is continuously used for 1 month, and is used 1 time per day at a dosage of 0.1 g/person.

The human body measured the skin tone of the cheeks of the subject before and after use of the product using a tristimulus colorimeter CR200 (Minolta, osaka, japan). Each site was measured 3 times and the average was taken. The whole measuring process is carried out in a good non-invasive detection laboratory, the temperature is 20 +/-2 ℃, and the relative humidity is 40-60%.

After the end of the measurement, the arithmetic mean of 3 parameters, namely Chromameter CR 200L, a, b, was calculated, and the results are shown in table 3 below:

wherein, the value of L is increased to represent whitening, the value of a is increased to represent reddish, and the value of b is increased to represent yellowish.

TABLE 3 skin color test chart

As can be seen from Table 3, the water-in-oil-in-water foundation liquid can obviously improve the skin color and has the whitening effect by testing the change of the skin color before and after the foundation liquid is used, and the effect is more obvious when the pearl powder and the amber powder are used simultaneously.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An aqueous-in-oil-in-aqueous foundation fluid comprising:

(1) a first aqueous phase containing 0.1-5wt% of pearl powder and 0.1-5wt% of amber powder;

(3) a second aqueous phase containing 1-2wt% of potassium cetyl phosphate;

the water-in-oil-in-water foundation solution also contains a humectant, a film forming agent, emollient grease and a suspension thickener;

(2) uniformly mixing the humectant, the pearl powder, the amber powder and part of water to obtain a first water phase;

2. The aqueous-in-oil-in-aqueous foundation of claim 1, wherein the surface treatment agent of the oleophilic titanium dioxide is triethoxyoctylsilane.

3. The aqueous-in-oil-in-aqueous foundation fluid of claim 1, wherein the oil phase contains sorbitan sesquioleate in an amount of 1wt% and oleophilic titanium dioxide in an amount of 3.5 wt%.

4. The aqueous-in-oil-in-aqueous foundation of claim 1, wherein the potassium cetyl phosphate is added to the second aqueous phase in an amount of 1.5 wt%.