Emulsifier-free three-state conversion skin care type base makeup composition as well as preparation method and application thereof

Abstract

The invention discloses an emulsifier-free three-state conversion skin care type base makeup composition as well as a preparation method and application thereof.The base makeup composition is prepared from the following raw materials in percentage by weight: 4-10% of polyhydric alcohols, 0.5-4% of modified titanium dioxide, 0.5-4% of a polysiloxane composition, 0.1-1% of carbomer, 0.3-4% of nut seed oil, 1-3% of an emulsion stabilizer, 1-10% of fatty alcohol, 6-12% of polydimethylsiloxane, 0.3-4% of isononyl isononanoate and the balance of water. 0.01-0.05% of glycolipid, 0.1-0.5% of a preservative, and the balance of deionized water. An emulsifier-free stable system is constructed, the stability of the product in the storage and use process can be ensured, the texture characteristic of cloud-mist-water three-state conversion is also achieved, the initial color is soft cloud feeling, the color is fine and smooth mist when smeared, and finally the color is fused into fresh water feeling on the skin surface; the perfect pre-makeup experience of lightness, skin fitting and no mud rubbing is realized.

Description

Technical Field

[0001] This invention relates to the field of cosmetics, specifically to an emulsifier-free, three-state transformation skincare base makeup composition, its preparation method, and its application. Background Technology

[0002] As research into beauty products deepens, consumers' demands for pre-makeup products extend beyond basic skincare; they increasingly emphasize their supportive role in the makeup application process. Traditional pre-makeup products rely on emulsifier molecules forming a dense interfacial film within their emulsion systems, resulting in a heavy texture and negatively impacting the user experience. Furthermore, emulsifiers can disrupt the skin's microecological balance, increasing the risk of skin sensitivity, especially for those with sensitive skin. Current technology struggles to simultaneously achieve system stability and dynamic texture transformation without emulsifiers, often leading to pilling during use, affecting both user experience and efficacy. Therefore, developing an emulsifier-free pre-makeup product that ensures stability during storage and use while also serving as an ideal base layer for foundation, enhancing the spreadability and staying power of subsequent makeup, is crucial.

[0003] Chinese invention patent CN113317997B discloses an anti-dullness composition, an anti-dullness cosmetic, and its preparation method. It uses titanium dioxide modified with triisostearate propoxytitanium salt, bis-PEG-15 dimethicone / IPDI copolymer, and PEG-2 soy amine as the anti-dullness composition. This composition can brighten skin tone for a long time and resist dullness caused by various factors. However, it requires the addition of emulsifiers, which cannot avoid the irritating effects of emulsifiers. Chinese invention patent CN101744733B discloses an organic-inorganic composite with UV-blocking effects, its preparation method, and its uses. It uses silicon-based compounds to coat the surface of hollow titanium dioxide microspheres to form an organic-inorganic composite, increasing the probability of contact with the organic UV absorbers inside the microspheres, thereby effectively blocking UV rays and reducing skin side effects. However, it does not have a dynamic state transformation effect, resulting in poor integration with skin and makeup. Summary of the Invention

[0004] This application constructs an emulsifier-free stable system that not only ensures the stability of the product during storage and use, but also possesses a three-state transformation texture characteristic of "cloud → mist → water." Initially, it has a light, cloud-like feel, transforms into a fine mist upon application, and finally melts into a refreshing, watery feel on the skin's surface, achieving a perfect pre-makeup experience that is lightweight, adheres to the skin, and does not cause pilling. The first aspect of this invention provides an emulsifier-free, three-state transformation skincare-type base makeup composition. The raw materials, by weight percentage, include: 4-10% polyol, 0.5-4% modified titanium dioxide, 0.5-4% polysiloxane composition, 0.1-1% carbomer, 0.3-4% nut seed oil, 1-3% emulsifying stabilizer, 1-10% fatty alcohol, 6-12% polydimethylsiloxane, 0.3-4% isononyl isononanoate, 0.01-0.05% glycolipid, 0.1-0.5% preservative, and deionized water to 100%.

[0005] As one implementation method, the raw materials also include sodium hyaluronate, at a weight percentage of 0.1-0.5%.

[0006] In one embodiment, the polyol includes one or a combination of several of the following: glycerol, butanediol, hexanediol, pentanediol, propylene glycol, octyl glycol, and dipropylene glycol.

[0007] In one embodiment, the weight ratio of glycerol, butanediol, hexanediol and pentanediol is (5-10):(1-5):1:(1-3).

[0008] In one embodiment, the weight ratio of glycerol, butanediol, hexanediol and pentanediol is (6-9):(2-5):1:(1.5-2.5).

[0009] In one embodiment, the weight ratio of glycerol, butanediol, hexanediol and pentanediol is 8:4:1:2.

[0010] In one embodiment, the modified titanium dioxide is silicon-modified titanium dioxide; the silicon-modified titanium dioxide is silicon-coated titanium dioxide. The modified titanium dioxide is titanium dioxide particles treated with silane.

[0011] In one embodiment, the polysiloxane composition is a polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer.

[0012] In one embodiment, the weight ratio of the carbomer to the polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer is 1:(2-10).

[0013] In one embodiment, the weight ratio of the carbomer to the polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer is 1:(4-8).

[0014] In one embodiment, the weight ratio of the carbomer to the polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer is 1:5.

[0015] In one embodiment, the carbomer is sodium carbomer.

[0016] The foundation composition prepared in this invention forms a microbubble structure through molecular-level gas encapsulation technology, giving the product a cloud-like lightweight texture. The preparation process employs a dynamic post-thickening process, enabling the product to undergo a three-state transformation during use, from cloud-like to mist-like to water-like. The composite gel network of sodium carbomer and polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer can replace emulsifiers, possessing excellent storage and usage stability while achieving a dynamic three-state transformation from "cloud → mist → water." After adhering to the skin, it forms a light and transparent soft-focus film layer, effectively smoothing skin texture, concealing pores, and achieving simplified makeup application. While common silicone ingredients in existing formulations (such as polydimethylsiloxane polymers) can temporarily fill pores, their static texture makes it difficult to achieve a dynamic texture transformation from application to film formation, and they rely on emulsifiers for stability, limiting the product's user experience and skin feel.

[0017] In one embodiment, the nut seed oil is macadamia seed oil (MACADAMIA TERNIFOLIA).

[0018] In one embodiment, the emulsifying stabilizer is aluminum starch octenyl succinate.

[0019] In one embodiment, the fatty alcohol includes, but is not limited to, at least one of cetearyl alcohol, behenyl alcohol, lauryl alcohol, stearyl alcohol, and oleyl alcohol.

[0020] A second aspect of the present invention provides a method for preparing an emulsifier-free, three-state conversion skincare-type base makeup composition, comprising the following steps: Deionized water and polyol were mixed and heated to 60-80°C. Carbomer and preservative were added and mixed to obtain an aqueous phase. Isononyl isononanoate, nut seed oil, fatty alcohol and glycolipid are mixed and heated to 60-80℃ to obtain a premixed oil phase; Modified titanium dioxide, polydimethylsiloxane, a polysiloxane composition, and an emulsifying stabilizer were added to the premixed oil phase and stirred to disperse, thus obtaining the oil phase. The aqueous phase is heated to 60-80℃ and stirred. During the stirring process, the oil phase is added, stirred until homogenized, and then cooled to obtain an emulsifier-free three-state transformation skin care base makeup composition.

[0021] In one embodiment, the temperature of the aqueous phase being heated and stirred is 60-80°C.

[0022] As one embodiment, the preparation method of the emulsifier-free three-state transformation skincare base makeup composition includes the following steps: Deionized water and polyol were mixed and heated to 75°C. Carbomer and preservative were added and mixed to obtain an aqueous phase. Isononyl isononanoate, nut seed oil, fatty alcohol and glycolipid were mixed and heated to 75°C to obtain a premixed oil phase. Modified titanium dioxide, polydimethylsiloxane, a polysiloxane composition, and an emulsifying stabilizer were added to the premixed oil phase and stirred to disperse, thus obtaining the oil phase. The aqueous phase was heated to 75°C and stirred. During the stirring process, the oil phase was added and stirred until homogenized. After cooling, an emulsifier-free three-state transformation skin care base makeup composition was obtained.

[0023] A third aspect of the present invention provides an application of an emulsifier-free, three-state transformation skincare-type base makeup composition for the preparation of cosmetics.

[0024] Compared with the prior art, the present invention has the following beneficial effects: (1) The emulsifier-free three-state conversion skin care base makeup composition of the present invention uses sodium carbomer and polydimethylsiloxane / vinyl polydimethylsiloxane cross-linked polymer in a specific ratio to form a stable gel network structure, which replaces the use of emulsifier and avoids the irritating effect of emulsifier on the skin.

[0025] (2) The emulsifier-free three-state transformation skin care base makeup composition of the present invention uses silicon-coated titanium dioxide and molecular-level gas encapsulation technology to form a micro-bubble structure, so that the product has a cloud-like light texture and can realize the dynamic transformation of cloud → fog → water, bringing consumers an unprecedented sensory experience and truly simulating the visual effect of "picking clouds into a dish" and the tactile feeling of "clouds collapsing into water".

[0026] (3) The emulsifier-free three-state transformation skin care base makeup composition of the present invention abandons the traditional emulsifier "water-in-oil" or "oil-in-water" system, solves the problems of heavy texture and risk of allergies, and achieves the construction of a stable system under emulsifier-free conditions through specific formula combination and process.

[0027] (4) The emulsifier-free three-state transformation skin care base makeup composition of the present invention achieves a triple effect of lightness, stability and uniqueness. After adhering to the skin, it forms a light and transparent soft focus film layer, which effectively smooths the skin texture, hides pores and achieves simplified makeup application.

[0028] (5) The emulsifier-free three-state transformation skin care base makeup composition of the present invention will not cause pilling during use, has excellent compatibility, and meets the needs of modern consumers for the pleasant experience of skin care products. Attached Figure Description

[0029] Figure 1-3 These are photographs showing the appearance of the emulsifier-free, three-state transformation skincare-type base makeup compositions prepared in Examples 1-3; Figure 4-9 Photographs of the appearance of the emulsifier-free, three-state transformation skincare-type base makeup compositions prepared in Comparative Examples 1-6; Figure 10-12 Photographs showing the stability of the emulsifier-free, three-state transformation skincare base makeup compositions prepared in Examples 1-3 after standing in constant temperature chambers of 37°C and 50°C for 1 month, left at 37°C and right at 50°C. Figure 13 Photographs showing the stability of the emulsifier-free three-state transformation skincare base makeup composition prepared for Comparative Example 1 after standing in constant temperature chambers of 37°C and 50°C for one week. Left: 37°C, Right: 50°C. Figure 14 Photographs showing the stability of the emulsifier-free three-state transformation skincare base makeup composition prepared for Comparative Example 2 after standing in constant temperature chambers of 37°C and 50°C for 2 weeks. Left: 37°C, Right: 50°C. Figure 15 Photographs showing the stability of the emulsifier-free three-state transformation skincare base makeup composition prepared for Comparative Example 3 after standing in constant temperature chambers of 37°C and 50°C for 2 weeks. Left: 37°C, Right: 50°C. Figure 16 Photographs showing the stability of the emulsifier-free three-state transformation skincare base makeup composition prepared for Comparative Example 4 after standing in constant temperature chambers of 37°C and 50°C for 1 month. Left: 37°C, Right: 50°C. Figure 17 Photographs showing the stability of the emulsifier-free three-state transformation skincare base makeup composition prepared for Comparative Example 5 after standing in constant temperature chambers of 37°C and 50°C for one week. Left: 37°C, Right: 50°C. Figure 18 Photographs showing the stability of the emulsifier-free, three-state transformation skincare base makeup composition prepared for Comparative Example 6 after standing for one week at constant temperatures of 37°C and 50°C. Left: 37°C; Right: 50°C. Detailed Implementation

[0030] Example 1 An emulsifier-free, three-state conversion skincare base makeup composition, the raw materials of which, by weight percentage, include: 7% polyol, 2% modified titanium dioxide, 2.5% polysiloxane composition, 0.5% carbomer, 0.6% nut seed oil, 2% emulsifying stabilizer, 5% fatty alcohol, 9% polydimethylsiloxane, 2% isononyl isononanoate, 0.01% glycolipid, 0.5% preservative, and deionized water to make up to 100%.

[0031] The polyol comprises a combination of glycerol, butanediol, hexanediol, and pentanediol in a weight ratio of 8:4:1:2.

[0032] The modified titanium dioxide is silicon-coated titanium dioxide, purchased from CM TECH, with the grade CM TIO2 CM AS AD.

[0033] The carbomer in question is sodium carbomer.

[0034] The polysiloxane composition is a polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer purchased from WACKER CHEMIE, brand name BELSIL REG 1102.

[0035] The nut seed oil mentioned is macadamia seed oil, purchased from Oleon Ltd, brand name Macadamia Refined Oil.

[0036] The emulsifying stabilizer is aluminum starch octenyl succinate.

[0037] The fatty alcohol is behenol.

[0038] The preservative is p-hydroxyacetophenone.

[0039] A method for preparing an emulsifier-free, three-state transformation skincare-type base makeup composition includes the following steps: Deionized water and polyol were mixed and heated to 75°C. Carbomer and preservative were added and mixed to obtain an aqueous phase. Isononyl isononanoate, nut seed oil, fatty alcohol and glycolipid were mixed and heated to 75°C to obtain a premixed oil phase. Modified titanium dioxide, polydimethylsiloxane, a polysiloxane composition, and an emulsifying stabilizer were added to the premixed oil phase and stirred to disperse, thus obtaining the oil phase. The aqueous phase was heated to 75°C and stirred. During the stirring process, the oil phase was added and stirred until homogenized. After cooling, an emulsifier-free three-state transformation skin care base makeup composition was obtained.

[0040] Example 2 An emulsifier-free, three-state conversion skincare base makeup composition, comprising the following raw materials by weight percentage: 7% polyol, 2% modified titanium dioxide, 2.5% polysiloxane composition, 0.5% carbomer, 0.6% nut seed oil, 2% emulsifying stabilizer, 5% fatty alcohol, 12% polydimethylsiloxane, 2% isononyl isononanoate, 0.1% sodium hyaluronate, 0.01% glycolipid, 0.5% preservative, and deionized water to 100%.

[0041] The polyol comprises a combination of glycerol, butanediol, hexanediol, and pentanediol in a weight ratio of 8:4:1:2.

[0042] The modified titanium dioxide is silicon-coated titanium dioxide, purchased from CM TECH, with the grade CM TIO2 CM AS AD.

[0043] The carbomer in question is sodium carbomer.

[0044] The polysiloxane composition is a polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer purchased from WACKER CHEMIE, brand name BELSIL REG 1102.

[0045] The nut seed oil mentioned is macadamia seed oil, purchased from Oleon Ltd, brand name Macadamia Refined Oil.

[0046] The emulsifying stabilizer is aluminum starch octenyl succinate.

[0047] The fatty alcohol is behenol.

[0048] The preservative is p-hydroxyacetophenone.

[0049] A method for preparing an emulsifier-free, three-state transformation skincare-type base makeup composition includes the following steps: Deionized water and polyol were mixed and heated to 75°C. Carbomer, sodium hyaluronate and preservative were added and mixed to obtain an aqueous phase. Isononyl isononanoate, nut seed oil, fatty alcohol and glycolipid were mixed and heated to 75°C to obtain a premixed oil phase. Modified titanium dioxide, polydimethylsiloxane, a polysiloxane composition, and an emulsifying stabilizer were added to the premixed oil phase and stirred to disperse, thus obtaining the oil phase. The aqueous phase was heated to 75°C and stirred. During the stirring process, the oil phase was added and stirred until homogenized. After cooling, an emulsifier-free three-state transformation skin care base makeup composition was obtained.

[0050] Example 3 An emulsifier-free, three-state conversion skincare base makeup composition, the raw materials of which, by weight percentage, include: 7% polyol, 4% modified titanium dioxide, 2.5% polysiloxane composition, 0.5% carbomer, 0.6% nut seed oil, 2% emulsifying stabilizer, 5% fatty alcohol, 9% polydimethylsiloxane, 2% isononyl isononanoate, 0.01% glycolipid, 0.5% preservative, and deionized water to make up to 100%.

[0051] The remaining implementation methods are the same as in Example 1.

[0052] Comparative Example 1 An emulsifier-free, three-state transformation skincare base makeup composition and its preparation method are described. The specific implementation method is the same as in Example 1, except that the weight percentage of carbomer is 0.1%.

[0053] Comparative Example 2 An emulsifier-free three-state transformation skincare base makeup composition and its preparation method are described. The specific implementation method is the same as in Example 1, except that the weight percentage of carbomer is 2%.

[0054] Comparative Example 3 An emulsifier-free three-state transformation skincare base makeup composition and its preparation method are described. The specific implementation method is the same as in Example 1, except that the raw materials also include 0.1% sodium hyaluronate and the modified titanium dioxide is 6% by weight.

[0055] Comparative Example 4 An emulsifier-free, three-state transformation skincare-type base makeup composition and its preparation method are disclosed. The specific implementation method is the same as in Example 1, except that the raw materials also include 0.1% sodium hyaluronate. Modified titanium dioxide was replaced with uncoated titanium dioxide, purchased from SUNCHEMICAL, grade C47-051.

[0056] Comparative Example 5 An emulsifier-free, three-state transformation skincare-type base makeup composition and its preparation method are disclosed. The specific implementation method is the same as in Example 1, except that the raw materials also include 0.1% sodium hyaluronate. The mass percentage of the polyol is 15%.

[0057] Comparative Example 6 An emulsifier-free, three-state transformation skincare-type base makeup composition and its preparation method are disclosed. The specific implementation method is the same as in Example 1, except that the raw materials also include 0.1% sodium hyaluronate. The polydimethylsiloxane has a mass percentage of 20%.

[0058] Performance testing Stability testing: Appearance photos of the foundation compositions prepared in the examples and comparative examples are shown below. Figure 1-9 The foundation compositions prepared in the examples and comparative examples were left to stand for one month in constant temperature chambers of 37°C and 50°C to observe their stability. See details below. Figure 10-18 Table 1. Sensory performance testing: Thirty healthy volunteers aged 20-45 years were selected to try the samples prepared in Examples 1-3 and Comparative Examples 3 and 5, and their sensory evaluation was conducted using a structured questionnaire. The questionnaire used a 5-point Likert scale (1 point represents very dissatisfied / very disagree, and 5 points represent very satisfied / very agree). The test results are shown in Table 2. Table 1

[0059] Table 2

Claims

1. A skincare-grade base makeup composition without emulsifiers and capable of three-state transformation, characterized in that, The raw materials for preparation, by weight percentage, include: 4-10% polyol, 0.5-4% modified titanium dioxide, 0.5-4% polysiloxane composition, 0.1-1% carbomer, 0.3-4% nut seed oil, 1-3% emulsifying stabilizer, 1-10% fatty alcohol, 6-12% polydimethylsiloxane, 0.3-4% isononyl isononanoate, 0.01-0.05% glycolipid, 0.1-0.5% preservative, and deionized water to make up to 100%.

2. The emulsifier-free, three-state transformation skincare base makeup composition according to claim 1, characterized in that, The raw materials also include sodium hyaluronate, at a weight percentage of 0.1-0.5%.

3. The emulsifier-free, three-state transformation skincare-type base makeup composition according to claim 1, characterized in that, The polyols include one or a combination of several of the following: glycerol, butanediol, hexanediol, pentanediol, propylene glycol, octyl glycol, or dipropylene glycol.

4. The emulsifier-free, three-state transformation skincare base makeup composition according to claim 3, characterized in that, The weight ratio of glycerol, butanediol, hexanediol and pentanediol is (5-10):(1-5):1:(1-3).

5. The emulsifier-free, three-state transformation skincare base makeup composition according to claim 1, characterized in that, The modified titanium dioxide is silicon-modified titanium dioxide; the silicon-modified titanium dioxide is silicon-coated titanium dioxide.

6. The emulsifier-free, three-state transformation skincare-type base makeup composition according to claim 1, characterized in that, The polysiloxane composition is a polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer.

7. The emulsifier-free, three-state transformation skincare base makeup composition according to claim 6, characterized in that, The weight ratio of the carbomer to the polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer is 1:(2-10).

8. A method for preparing an emulsifier-free, three-state transformation skincare-type base makeup composition according to any one of claims 1-7, characterized in that, Includes the following steps: Deionized water and polyol were mixed and heated, then carbomer and preservative were added and mixed to obtain an aqueous phase. Isononyl isononanoate, nut seed oil, fatty alcohol and glycolipid are mixed and heated to obtain a premixed oil phase; Modified titanium dioxide, polydimethylsiloxane, a polysiloxane composition, and an emulsifying stabilizer were added to the premixed oil phase and stirred to disperse, thus obtaining the oil phase. The aqueous phase is heated and stirred, and the oil phase is added during the stirring process. After homogenization and cooling, an emulsifier-free three-state transformation skin care base makeup composition is obtained.

9. The method for preparing the emulsifier-free, three-state transformation skincare-type base makeup composition according to claim 8, characterized in that, The temperature for heating and stirring the aqueous phase is 60-80℃.

10. The application of an emulsifier-free, three-state transformation skincare-type base makeup composition according to any one of claims 1-7, characterized in that, It is used in the preparation of cosmetics.

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