Silicone-oil-free makeup-keeping liquid foundation and preparation process thereof

Abstract

The invention discloses silicone-oil-free makeup-keeping liquid foundation and a preparation process thereof. The liquid foundation is prepared from the following raw material components in parts by weight: 1-2% of an emulsifier, 49-56% of an emollient, 3-6% of a film-forming agent and 40-43% of powder, wherein the emollient is prepared from ethylhexyl palmitate, cetyl alcohol ethyl hexanoate, isododecane, isopropyl myristate and squalane; the prepared liquid foundation does not contain silicone oil, is free of physiological toxicity and irritation, good in air permeability and good in skin feeling, the smearing layering sense and continuity of the liquid foundation are improved, and the liquid foundation is easier to use and more comfortable.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of cosmetics, and particularly relates to a silicone oil-free long-wearing foundation liquid and a preparation process thereof. BACKGROUND

[0002] The foundation liquid is a category of daily use cosmetics, and the main purpose of using the category is to adjust skin color, cover skin surface defects, fill fine lines, prepare for the next step of makeup, and make the makeup more long-lasting and comfortable; in order to meet the use requirements of consumers, some foundation products also have the effects of whitening, sun protection, nourishing, repair, moisturizing, anti-wrinkling, tightening, soothing, and oil control. At present, the common foundation liquid on the market is basically silicone oil-containing emulsified foundation liquid, and its unique use meets the use requirements of most consumers; however, the makeup effect is not long-lasting after makeup, or the makeup effect of the type of product is long-lasting, but the skin is peeled off, dried, and tight after use, which is uncomfortable; with the upgrading of consumer cognition, consumers no longer pay for brand stories and marketing, but pursue real effects and cost performance. SUMMARY

[0003] In view of the above technical problems, the purpose of the present application is to provide a silicone oil-free long-wearing foundation liquid and a preparation process thereof.

[0004] The technical solution of the present application is realized as follows: A silicone oil-free long-wearing foundation liquid, the foundation liquid comprises the following raw material components in parts by weight: 1%-2% of an emulsifier, 49%-56% of an emollient, 3%-6% of a film-forming agent, and 40%-43% of a powder; wherein the emollient comprises ethylhexyl palmitate, cetyl alcohol ethylhexanoate, isododecane, isopropyl myristate, and squalane.

[0005] Preferably, the emulsifier comprises polysorbate-80.

[0006] Preferably, the film-forming agent comprises hydrogenated (styrene / isoprene) copolymer, synthetic beeswax, and microcrystalline wax.

[0007] Preferably, the powder comprises dimethylsilylated silica, CI 77891, CI 77492, CI 77491, CI 77499, and silica.

[0008] A preparation method of a silicone oil-free long-wearing foundation liquid, comprising the following steps: ①isododecane is heated to 85-90 DEG C, hydrogenated (styrene / isoprene) copolymer is added under stirring conditions, and stirring and dispersion are performed until A phase in a transparent and particle-free state is obtained; B phase raw materials: ethylhexyl palmitate, cetyl alcohol ethylhexanoate, isopropyl myristate, squalane; the B phase raw materials are put into the A phase and stirred to disperse uniformly; C phase raw materials: synthetic beeswax, microcrystalline wax, polysorbate-80; the C phase raw materials are put into the A and B phases and stirred to disperse uniformly; D phase raw materials: CI 77891, CI 77492, CI 77491, CI 77499, silica; the D phase raw materials are mixed uniformly and then used, and then the D phase raw materials and dimethylsilyl silica are put into the A, B and C phase raw materials and stirred to disperse uniformly; cooling to 25-30 DEG C, defoaming; the silicone oil-free hold-up foundation solution is obtained.

[0009] Thanks to the use of the above technical solutions, the present application has the following advantages compared with the prior art: The present application is a silicone oil-free hold-up foundation solution prepared by compounding the formula components, and the ethylhexyl palmitate, cetyl alcohol ethylhexanoate, isododecane, isopropyl myristate and squalane are compounded to develop a moisturizing agent-free foundation solution containing no silicone oil; the hydrogenated (styrene / isoprene) copolymer, synthetic beeswax and microcrystalline wax are used to synergistically thicken and suspend, so that the whole oil phase system is more stable, thereby obtaining a silicone emulsifier-free foundation solution, which has no physiological toxicity, no irritation, good air permeability, good skin feel and can improve the product's coating level and continuity, so that the product is more easy to use and comfortable. BRIEF DESCRIPTION OF DRAWINGS

[0010] The technical solutions of the present application will be further described below in combination with the drawings: Figure 1 The test result graph of the water vapor transmission rate of the foundation solution tested by the performance test test method one of the present application. DETAILED DESCRIPTION

[0011] In order to enable the personnel in the technical field to better understand the present application, the technical solutions in the present application will be clearly and completely described below in combination with the drawings in the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the personnel in the field without making creative efforts should belong to the scope of protection of the present application.

[0012] The present application will be further described below in combination with the embodiments.

[0013] The cosmetic foundation liquid without silicone oil comprises the following raw material components in parts by weight: emulsifier 1-2%, emollient 49-56%, film forming agent 3-6%, powder 40-43%; wherein the emollient comprises ethylhexyl palmitate, cetyl alcohol ethylhexanoate, isododecane, isopropyl myristate, and squalane. The ethylhexyl palmitate has good lubricity and thermal stability, is stable in property, not easy to oxidize, and is non-toxic and safe, has no irritation to skin, has light skin feeling, and has excellent moisturizing effect, can lock the moisture of skin, prevent skin dryness, and provide soft and moisturizing feeling to skin, the model of the ethylhexyl palmitate is PALMESTER 1543, and the manufacturer is Palm-Oleo (Klang) Sdn. Bhd. The cetyl alcohol ethylhexanoate has excellent permeability and diffusivity, can be rapidly absorbed by skin, has no greasy feeling, provides sufficient moisturizing and care to skin, and improves the problems of dry and rough skin, the model of the cetyl alcohol ethylhexanoate is PAESTER CSEH, and the manufacturer is PATECH FINE CHEMICALS CO., Ltd. The isododecane is used as a solvent, has low surface tension and low viscosity, has good compatibility with other oils, has certain volatility in replacing silicone oil, can make the foundation liquid dry rapidly, achieve the effect of quick drying, and has light texture, is easy to apply, and is not sticky. The isopropyl myristate has excellent moisturizing effect on skin, has good compatibility with other oils, can improve the fitness and affinity of the material, the model of the isopropyl myristate is CRODAMOL IPM-LQ-(SG), and the manufacturer is HODA CHEMICALS (SHANGHAI) CO., LTD. The squalane is a pure natural emollient, is 100% derived from olive oil, has good stability, can replace silicone oil, and has good silky skin feeling.

[0014] The emulsifier comprises polysorbate-80, which can be used as a surfactant in various liquid preparations, and can also be used as an emulsifier, a solubilizer and a wetting agent.

[0015] The film forming agent comprises hydrogenated (styrene / isoprene) copolymer, synthetic beeswax and microcrystalline wax. The hydrogenated (styrene / isoprene) copolymer is a multifunctional polymer rheology modifier and film former, has excellent suspending properties, can form transparent, hydrophobic gels, and provides unique film forming properties and a glossy feel to the foundation liquid, the model of the hydrogenated (styrene / isoprene) copolymer is Ellamera BI-THIN™ 602, and the manufacturer is Kraton Polymers Trading (Shanghai) Co., Ltd. The synthetic beeswax has natural antibacterial, antifungal and antioxidant functions, can adjust the viscosity of each component in the oil phase, and is compatible with various oil esters, waxes, fatty acids and esters, thereby improving the stability of the product, giving the product a moisturizing feel without greasiness, the model of the synthetic beeswax is ABWAX SYNTHETIC WHITE BEESWAX PEARLS, and the manufacturer is BRASCA INDUSTRIAL S.R.L. The microcrystalline wax has high elasticity and viscosity, small hardness, good flexibility, and the characteristics of tending to plastic flow, large elongation and good flexibility under friction, and the addition of the microcrystalline wax to the foundation liquid helps to improve the strength of the foundation liquid after film forming, improve the makeup duration and skin effect, the model of the microcrystalline wax is Microfumei ® microcrystalline wax 6102, and the manufacturer is Henan Fumei Biological Technology Co., Ltd.

[0016] The powder includes dimethylsilylated silica, CI 77891, CI 77492, CI 77491, CI 77499, and silica; the model of the dimethylsilylated silica is AEROSIL® R 972, and the manufacturer is Evonik lndustries AG.

[0017] The polysorbate-80, isododecane, squalane, CI 77891, CI 77492, CI 77491, CI 77499, and silica are commercially available.

[0018] Specific embodiments are as follows:

[0019] Performance detection test Test method one: Air permeability test: the staff wears gloves, evenly applies the foundation liquid samples of example 1, example 2 and example 3 on the artificial leather, fully dries at room temperature, and then uses a water vapor permeability tester to test the water vapor transmission amount of the sample; the test temperature is 35℃, the test humidity is 75%, and the test time is 2.5h; The tester used is a water vapor permeability tester W3 / 032 (Jinan Languang Electromechanical Technology).

[0020] In daily use, consumers want to use products with good air permeability, increase comfort, reduce uncomfortable experiences such as sweat and acne; as shown in the test results Figure 1 , it can be seen that the air permeability of Example 1 is the best, and the air permeability of Example 2 and Example 3 is the second, thus it can be concluded that the increase of the content of the film-forming agent hydrogenated (styrene / isoprene) copolymer will affect the air permeability of the foundation liquid.

[0021] Test method two: Stability test:

[0022] Through the comparison of Examples 1-3, it is found that the foundation liquids obtained in Examples 1, 2 and 3 all pass the heat resistance, cold resistance and centrifugal tests, and the stability investigation is qualified.

[0023] Through the above two tests, it can be concluded that Example 1 passes the stability test, has the best air permeability and the best skin feel; Example 2 passes the stability test and has poor air permeability; Example 3 passes the stability test and has the worst air permeability, thus it can be judged that the content of the film-forming agent in the foundation liquid has a greater impact on the air permeability and the makeup effect and makeup feel.

[0024] Through the above implementation scheme, Example 1 is finally selected.

[0025] The above Examples 1-3 are all prepared by the following process: A preparation method of a silicone-free makeup foundation liquid, comprising the following steps: ①Heat isododecane to 85-90℃, and under stirring conditions, add hydrogenated (styrene / isoprene) copolymer, and stir and disperse to a transparent and particle-free state to obtain phase A; ②Phase B raw materials: ethylhexyl palmitate, cetyl alcohol ethylhexanoate, isopropyl myristate, squalane; the phase B raw materials are added to phase A and stirred and dispersed uniformly; ③Phase C raw materials: synthetic beeswax, microcrystalline wax, polysorbate-80; the phase C raw materials are added to phases A and B and stirred and dispersed uniformly; ④Phase D raw materials: CI 77891, CI 77492, CI 77491, CI 77499, silica; the phase D raw materials are mixed uniformly and then used, and then the phase D raw materials and dimethylsilylized silica are added to the phase A, B and C raw materials and stirred and dispersed uniformly; cool to 25-30℃, and deaerate; to obtain the silicone-free makeup foundation liquid.

[0026] The present application solves the defects in the background art, and has the following beneficial effects: the present application is a silicone-free makeup foundation liquid, which is developed by compounding palm ethylhexyl ester, cetyl alcohol ethylhexanoate, isododecane, isopropyl myristate and squalane, and the developed foundation liquid is free of silicone in emollients; meanwhile, the synergistic thickening and suspending effect of hydrogenated (styrene / isoprene) copolymer, synthetic beeswax and microcrystalline wax makes the whole oil phase system more stable, so that a silicone-free emulsifier foundation liquid is obtained, and the foundation liquid is free of physiological toxicity, has no irritation, good air permeability, good skin feel, improves the product's coating level and continuity, and makes the product more easy to use and comfortable.

[0027] Obviously, the above embodiments are only examples for clearly illustrating the present application, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A silicone oil-free hold-up foundation fluid, characterized in that, The foundation liquid contains the following raw material components by weight: emulsifier 1%-2%, emollient 49%-56%, film forming agent 3%-6%, powder 40%-43%; wherein the emollient includes ethylhexyl palmitate, cetyl alcohol ethylhexanoate, isododecane, isopropyl myristate, squalane.

2. The silicone oil-free hold-up foundation fluid according to claim 1, characterized in that: The emulsifier includes polysorbate-80.

3. The silicone oil-free hold-up foundation fluid of claim 1, wherein: The film forming agent includes hydrogenated (styrene / isoprene) copolymer, synthetic beeswax, microcrystalline wax.

4. The silicone oil-free hold-up foundation fluid of claim 1, wherein: The powder includes dimethylsilylated silica, CI 77891, CI 77492, CI 77491, CI 77499, silica.

5. A method for preparing a silicone oil-free hold-up foundation liquid, characterized in that The method comprises the following steps: ①Heat isododecane to 85-90℃, and under stirring conditions, put in hydrogenated (styrene / isoprene) copolymer, and stir and disperse to a transparent and particle-free state to obtain phase A; ②Phase B raw materials: ethylhexyl palmitate, cetyl alcohol ethylhexanoate, isopropyl myristate, squalane; put the phase B raw materials into phase A and stir and disperse uniformly; ③Phase C raw materials: synthetic beeswax, microcrystalline wax, polysorbate-80; put the phase C raw materials into phases A and B and stir and disperse uniformly; ④Phase D raw materials: CI 77891, CI 77492, CI 77491, CI 77499, silica; mix the phase D raw materials uniformly and reserve, and then put the phase D raw materials and dimethylsilylated silica into phases A, B and C and stir and disperse uniformly; cool to 25-30℃, and deaerate; obtain the silicone-free hold-up foundation liquid.

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