Film-forming agent modified with fumed white carbon and lipstick composition

Abstract

The present application relates to a gas phase white carbon black modified film forming agent and a lipstick composition, and belongs to the technical field of cosmetics, aiming to solve the problem of traditional lipstick "staining cup and color dropping" caused by loose film layer and pigment migration, and improve the comfort and comprehensive performance. The gas phase white carbon black is modified by the reaction of beta-cyclodextrin and epoxy silane coupling agent (KH-560) to generate cyclodextrin-siloxane hybrid, which is condensed and connected with the hydroxyl group on the surface of the gas phase white carbon black to form a composite structure with pigment inclusion cavity and siloxane film forming chain. Based on the modified gas phase white carbon black, the present application further provides a film forming agent containing dimethyl silicone oil, poly-alpha-olefin, octyl silicone oil gel elastomer and other components, and a lipstick composition containing plant extracts and moisturizing ingredients is prepared based on the film forming agent.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of cosmetics, and relates to a fumed white carbon black modified film-forming agent and a lipstick composition. BACKGROUND

[0002] Lipstick is an essential product for modern women in daily makeup, which can improve the complexion and charm, but still faces many use pain points. The traditional lipstick generally has the phenomenon of "staining the cup and falling off the color", and after drinking beverages or eating, the lips often leave obvious pigment marks, and the cup wall also leaves embarrassing lip marks, which seriously affects the use experience and social image. The root cause of this problem lies in the insufficient binding force between the film-forming agent and the pigment of the lipstick, and the film layer structure is not dense enough to effectively lock the pigment particles. In addition, the traditional lipstick also has the problems of easy drying, lack of moisturizing feeling, short wear time, etc., especially for dry-lip people, frequent makeup not only brings inconvenience, but also may exacerbate the dry and peeling of the lips. With the continuous improvement of consumers' requirements for cosmetic quality, it is an urgent need of the industry to develop new lipstick products with excellent makeup effect, good moisturizing degree and safety and environmental protection.

[0003] In view of the many defects in the use of lipstick, the industry has carried out research on various improvements. In terms of improving the makeup effect, the traditional technology mainly wraps the pigment particles in the high molecular material by physical coating method, such as using silicon dioxide or talc powder as an adsorption carrier; there are also methods of modifying the surface of the pigment with surfactants to increase its compatibility with the film-forming agent; there are also methods of introducing organic silicon elastomers, synthetic waxes and other ingredients to optimize the film structure and improve the film layer density. In terms of improving the moisturizing degree, hyaluronic acid, squalane, plant essential oil and other moisturizing ingredients are often added, or nutrient additives with slow-release effect are used. In addition, in order to enhance the use experience, researchers have also developed a variety of functional ingredients, such as plant extracts with antioxidant effect, herbal essences for soothing the skin, etc. These improvements have improved the performance of lipstick to some extent, but most of them stay on the surface of the modification level and have not fundamentally solved the problems of pigment migration and film layer stability.

[0004] Despite the optimization of lipstick performance in the prior art, there are still obvious deficiencies. First, the physical coating method has problems such as uneven coating and poor stability, and long-term use can easily cause pigment peeling; the modification of surfactants can affect the compatibility of the film-forming agent and the pigment, resulting in uneven film layer. Second, there is a lack of effective chemical bonding between the existing film-forming system and the pigment, and the pigment is easy to separate from the film layer when the external friction or humidity changes. Third, the introduction of functional additives often affects the basic physical properties of the lipstick, such as increasing the greasy feeling or reducing the gloss, making it difficult to achieve the synergistic improvement of multiple functions. In addition, most of the improved technologies are complex and costly, and are difficult to mass industrialize. In view of these problems, the development of a new film-forming agent system that can effectively lock the pigment and form a stable and dense film layer, while taking into account the moisturizing degree and use comfort, has become a key direction for lipstick product innovation. SUMMARY

[0005] The purpose of the present application is to provide a fumed white carbon black modified film-forming agent and a lipstick composition. The fumed white carbon black is added to the film-forming agent for modification to form a more dense film structure, reduce pigment migration, and reduce the cup staining of the lipstick.

[0006] The purpose of the present application can be achieved by the following technical solutions:

[0007] A fumed white carbon black modified film-forming agent, the film-forming agent is obtained by the reaction of a cyclodextrin-siloxane hybrid and the surface hydroxyl group of fumed white carbon black;

[0008] The cyclodextrin-siloxane hybrid is obtained by the reaction of β-cyclodextrin and epoxy silane coupling agent.

[0009] As a preferred technical solution of the present application, the fumed white carbon black modification includes the following steps:

[0010] A1, vacuum drying β-cyclodextrin to constant weight, adding anhydrous ethanol under nitrogen protection and stirring to dissolve;

[0011] A2, adding silane coupling agent KH-560 and glacial acetic acid into the β-cyclodextrin solution prepared in step A1 in sequence to catalyze the reaction to obtain a cyclodextrin-siloxane solution;

[0012] A3, dispersing fumed white carbon black in anhydrous ethanol, adding the cyclodextrin-siloxane solution prepared in step A2 into the fumed white carbon black ethanol solution, adjusting the pH to 5.0-5.5 with glacial acetic acid, and reacting for 12-15 h to obtain modified fumed white carbon black.

[0013] As a preferred technical solution of the present application, the mass ratio of β-cyclodextrin to anhydrous ethanol in step A1 is 1:4-6.

[0014] As a preferred embodiment of the present invention, the mass ratio of β-cyclodextrin, silane coupling agent KH-560 and glacial acetic acid in step A2 is 1:1.5-2.5:0.02-0.2; the catalytic reaction temperature is 55-65℃.

[0015] As a preferred embodiment of the present invention, the mass ratio of fumed silica, anhydrous ethanol, and cyclodextrin-siloxane solution in step A3 is 1:4-6:0.8-1.2.

[0016] Furthermore, the film-forming agent for modifying fumed silica comprises the following raw materials in parts by weight:

[0017] 1-3 parts modified fumed silica, 4-6 parts dimethyl silicone oil, 2-4 parts polyalphaolefin, 8-12 parts trimethylsiloxysilicate, 3-7 parts octyl silicone oil gel elastomer, 2-6 parts diisostearyl malate, 2-4 parts synthetic wax 30919, 2-4 parts silicon-treated titanium dioxide, 2-4 parts pigment, 0.2-0.8 parts hydrogenated lecithin Picocare SE, 0.1-0.3 parts alpha-arbutin, and 0.02-0.06 parts sodium hyaluronate.

[0018] As a preferred embodiment of the present invention, the preparation of the film-forming agent modified with fumed silica includes the following steps:

[0019] B1. Modified fumed silica is added to dimethyl silicone oil and homogenized, then polyalphaolefin is added and mixed to obtain a homogenized paste.

[0020] B2. Trimethylsiloxane silicate, octyl silicone oil gel elastomer, diisostearyl malate and synthetic wax 30919 are melted and mixed, and then added to the homogenized paste prepared in step B1 and homogenized again.

[0021] B4. Premix the silicon-treated titanium dioxide and pigment with 2-4% caprylic / capric triglyceride, then add hydrogenated lecithin Picocare SE, α-arbutin and sodium hyaluronate and mix evenly. Then add the system prepared in step B2 and mix evenly.

[0022] B5. Add 2-4% polyglycerol-3 diisostearate, 1-3% polyglycerol-2 triisostearate and 1-3% dibutylethylhexanoyl glutamine to the mixture obtained in step B4, stir well, then add the preservatives p-hydroxybenzoate and disodium EDTA and mix well to obtain the final product.

[0023] Furthermore, the lipstick composition comprises the following raw materials in parts by weight:

[0024] 10-20 parts of fumed white carbon modified film forming agent, 0.3-0.5 parts of extract of gymnadenia conopsea, 0.2-0.4 parts of extract of soapberry, 0.3-0.6 parts of extract of long stem grape caulerpa lentillifera, 0.01-0.02 parts of acetyl hexapeptide-8, 1-1.8 parts of sorbitan isostearate, 20-30 parts of base solvent, 2-3 parts of glycerol, 0.5-0.8 parts of betaine, 0.5-1 part of ethylhexyl salicylate and 0.3-0.6 parts of triethanolamine.

[0025] As a preferred technical solution of the present application, the base solvent comprises: 8-10 parts by weight of cosmetic grade white oil, 6-8 parts of caprylocaproyl macrogolglycerides, 1-2 parts of myristic acid, 1-2 parts of myristic acid, 4-5 parts of C12-15 alcohol benzoate and 1-2 parts of diethoxy ethyl succinate.

[0026] As a preferred technical solution of the present application, the triethanolamine is a pH regulator for adjusting the pH of the lipstick composition to 6.0-6.5.

[0027] The beneficial effects of the present application are:

[0028] (1) In the modified fumed white carbon composite structure of the present application, the "pigment inclusion cavity" formed by the cyclodextrin-siloxane hybrid can fix the pigment particles (such as titanium dioxide, color powder) inside the cavity by adsorbing them; at the same time, the siloxane network cooperates with the film forming agent (dimethyl silicone oil, poly-alpha-olefin) to form a dense film layer structure, effectively blocking the migration of pigment particles to the outside due to friction or humidity changes.

[0029] (2) The high surface energy characteristics of siloxane (excellent compatibility with organic silicone resin, synthetic wax and other film forming agents) can be embedded in the interstitial space of the film forming agent molecular chain, filling the micro defects of the film layer; at the same time, the cyclodextrin-siloxane hybrid is condensed and connected with the hydroxyl groups on the surface of fumed white carbon, enhancing the interfacial bonding force between the filler and the film forming agent, making the film layer more compact and firm, and prolonging the makeup time.

[0030] (3) The plant ingredients added in the lipstick composition, such as gymnadenia conopsea extract (antioxidant), soapberry extract (soothing), long stem grape caulerpa lentillifera extract (anti-inflammatory), can form active ingredient release on the lips and reduce the dryness of traditional film forming agents; glycerol (moisturizing), betaine (amphoteric moisturizing agent) and sodium hyaluronate (small molecule moisturizing agent) synergistically improve the moisture content of the lips; acetyl hexapeptide-8 (fading lip lines) endows the product with anti-aging additional functions. DETAILED DESCRIPTION

[0031] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined invention purpose, the specific embodiments, structures, features and effects according to the present application are described in detail as follows.

[0032] The raw materials involved in the following examples and comparative examples are as follows:

[0033] The poly-alpha-olefin is purchased from Shanghai Daopu Chemical Co., Ltd.; the trimethylsiloxy silicate is purchased from Mozhiyuan New Material Co., Ltd.; the octyl silicone gel elastomer is purchased from Guangzhou Zhengqian Biological Technology Co., Ltd.; the synthetic wax 30919 is purchased from Fangyi Chemical Co., Ltd.; the silicon-treated titanium dioxide is purchased from Guangzhou Meiyi Biological Technology Co., Ltd.; the toner is purchased from Shanghai Yueguan Industry Co., Ltd.; the hydrogenated lecithin Picocare SE is purchased from Guangzhou Fikor Daily Chemicals Co., Ltd.; the polyglyceryl-3 diisostearate and the polyglyceryl-2 triisostearate are purchased from Shandong Binzhou Jinsheng New Material Technology Co., Ltd.; the Acanthophyllae extract is purchased from Huaxing Biological Co., Ltd.; the Sapindus extract is purchased from Shaanxi Jintai Biological Engineering Co., Ltd.; the Cystoseira osmundacea J Ag. extract is purchased from Ningxia Xiangcao Biological Technology Co., Ltd.; the cosmetic-grade white oil is purchased from Guangzhou Suixin Chemical Co., Ltd.; the myristic acid is purchased from Guangzhou Ketay Chemical Co., Ltd.; and the C12-15 alcohol benzoate is purchased from Boshide Industry Co., Ltd.

[0034] Example 1

[0035] A kind of fumed white carbon black modified film forming agent, the film forming agent is obtained by the reaction of cyclodextrin-siloxane hybrid and the surface hydroxyl of fumed white carbon black;

[0036] Wherein, the cyclodextrin-siloxane hybrid is obtained by the reaction of β-cyclodextrin and epoxy silane coupling agent.

[0037] The modification of the fumed white carbon black includes the following steps:

[0038] A1, β-cyclodextrin is vacuum dried to constant weight, anhydrous ethanol is added and stirred to dissolve under nitrogen protection;

[0039] A2, β-cyclodextrin solution prepared in step A1 is added with silane coupling agent KH-560 and glacial acetic acid successively, and a catalytic reaction is carried out to obtain cyclodextrin-siloxane solution;

[0040] A3, fumed white carbon black is dispersed in anhydrous ethanol, and the cyclodextrin-siloxane solution prepared in step A2 is added dropwise into the fumed white carbon black ethanol solution, the pH is adjusted to 5.3 with glacial acetic acid, and a reaction is carried out for 13 h to obtain modified fumed white carbon black.

[0041] The mass ratio of β-cyclodextrin to anhydrous ethanol in step A1 is 1:5.

[0042] The mass ratio of β-cyclodextrin, silane coupling agent KH-560 and glacial acetic acid in step A2 is 1:2:0.1; and the catalytic reaction temperature is 60℃.

[0043] The mass ratio of the fumed white carbon black, anhydrous ethanol, and cyclodextrin-siloxane solution in step A3 is 1:5:1.

[0044] The fumed white carbon black modified film forming agent comprises the following raw materials by weight:

[0045] 2 parts of modified fumed white carbon black, 5 parts of dimethyl silicone oil, 3 parts of poly-alpha-olefin, 10 parts of trimethyl siloxy silicate, 5 parts of octyl silicone oil gel elastomer, 4 parts of diisostearyl malate, 3 parts of synthetic wax 30919, 3 parts of silicon-treated titanium dioxide, 3 parts of color powder, 1 part of hydrogenated lecithin Picocare SE, 0.2 parts of alpha arbutin, and 0.04 parts of sodium hyaluronate.

[0046] The preparation of the fumed white carbon black modified film forming agent comprises the following steps:

[0047] B1, after the modified fumed white carbon black is added to the dimethyl silicone oil and homogenized, poly-alpha-olefin is added to obtain a homogenized paste;

[0048] B2, after the trimethyl siloxy silicate, octyl silicone oil gel elastomer, diisostearyl malate, and synthetic wax 30919 are melt-mixed, the homogenized paste obtained in step B1 is added and homogenized again;

[0049] B4, after the silicon-treated titanium dioxide and the color powder are respectively pre-mixed with 3% tricaprylin, the hydrogenated lecithin Picocare SE, alpha arbutin, and sodium hyaluronate are uniformly mixed, and then added to the homogenized paste obtained in step B2, the mixture is uniformly mixed;

[0050] B5, 3% polyglyceryl-3 diisostearate, 2% polyglyceryl-2 triisostearate, and 2% dibutyl ethylhexanoyl glutamine are added to the mixture obtained in step B4 and stirred uniformly, then 0.2% preservative p-hydroxybenzoic acid ester and 0.1% disodium EDTA are added and uniformly mixed to obtain the product.

[0051] A lipstick composition comprises the following raw materials by weight:

[0052] 15 parts of fumed white carbon black modified film forming agent, 0.4 parts of gymnemus extract, 0.3 parts of soapberry extract, 0.4 parts of long stem grape fern extract, 0.015 parts of acetyl hexapeptide-8, 1.4 parts of sorbitan isostearate, 25 parts of base solvent, 2.5 parts of glycerol, 0.6 parts of betaine, 0.7 parts of ethylhexyl salicylate, and 0.5 parts of triethanolamine.

[0053] The base solvent comprises 9 parts by weight of cosmetic grade white oil, 7 parts of tricaprylin, 1.5 parts of myristic acid, 1.5 parts of tetradecanoic acid, 4.5 parts of C12-15 alcohol benzoate, and 1.5 parts of diethoxy ethyl succinate.

[0054] The triethanolamine is a pH regulator for adjusting the pH of the lipstick composition to 6.2.

[0055] Example 2

[0056] A film forming agent modified by fumed white carbon black, which is obtained by the reaction of a cyclodextrin-siloxane hybrid with the surface hydroxyl groups of fumed white carbon black;

[0057] The cyclodextrin-siloxane hybrid is obtained by the reaction of β-cyclodextrin with an epoxy silane coupling agent.

[0058] The modification of the fumed white carbon black comprises the following steps:

[0059] A1. Vacuum drying β-cyclodextrin to a constant weight, adding anhydrous ethanol and stirring to dissolve under nitrogen protection;

[0060] A2. Adding silane coupling agent KH-560 and glacial acetic acid successively dropwise to the β-cyclodextrin solution prepared in step A1 to catalyze the reaction to obtain a cyclodextrin-siloxane solution;

[0061] A3. Dispersing fumed white carbon black in anhydrous ethanol, adding the cyclodextrin-siloxane solution prepared in step A2 dropwise into the fumed white carbon black ethanol solution, adjusting the pH to 5.0 with glacial acetic acid, and reacting for 12 h to obtain modified fumed white carbon black.

[0062] The mass ratio of β-cyclodextrin to anhydrous ethanol in step A1 is 1:4.

[0063] The mass ratio of β-cyclodextrin, silane coupling agent KH-560 and glacial acetic acid in step A2 is 1:1.5:0.02; and the catalytic reaction temperature is 55°C.

[0064] The mass ratio of fumed white carbon black, anhydrous ethanol and cyclodextrin-siloxane solution in step A3 is 1:4:0.8.

[0065] The film forming agent modified by fumed white carbon black comprises the following raw materials by weight:

[0066] 1 part of modified fumed white carbon black, 4 parts of dimethyl silicone oil, 2 parts of poly-alpha-olefin, 8 parts of trimethyl siloxy silicate, 3 parts of octyl silicone oil gel elastomer, 2 parts of diisostearyl malate, 2 parts of synthetic wax 30919, 2 parts of silicon-treated titanium dioxide, 2 parts of color powder, 0.2 parts of hydrogenated lecithin Picocare SE, 0.1 parts of alpha arbutin and 0.02 parts of sodium hyaluronate.

[0067] The preparation of the film forming agent modified by fumed white carbon black comprises the following steps:

[0068] B1. Adding modified fumed white carbon black to dimethyl silicone oil to homogenize, and then adding poly-alpha-olefin to mix to obtain a homogenized paste;

[0069] B2. Trimethylsiloxane silicate, octyl silicone oil gel elastomer, diisostearyl malate and synthetic wax 30919 are melted and mixed, and then added to the homogenized paste prepared in step B1 and homogenized again.

[0070] B4. After premixing the silicon-treated titanium dioxide and pigment with 2% caprylic / capric triglyceride, add hydrogenated lecithin Picocare SE, α-arbutin and sodium hyaluronate and mix evenly, then add to the system prepared in step B2 and mix evenly.

[0071] B5. Add 2% polyglycerol-3 diisostearate, 1% polyglycerol-2 triisostearate and 1% dibutylethylhexanoyl glutamine to the mixture obtained in step B4 and stir until uniform. Then add 0.25% preservative p-hydroxybenzoate and 0.1% disodium EDTA and mix until uniform.

[0072] A lipstick composition comprising the following ingredients in parts by weight:

[0073] 10 parts of film-forming agent modified with fumed silica, 0.3 parts of dracaena extract, 0.2 parts of soapberry extract, 0.3 parts of long-stemmed grape fern extract, 0.01 parts of acetyl hexapeptide-8, 1 part of sorbitan isostearate, 20 parts of base solvent, 2 parts of glycerol, 0.5 parts of betaine, 0.5 parts of ethylhexyl salicylate and 0.3 parts of triethanolamine.

[0074] The base solvent comprises: 8 parts by weight of cosmetic-grade white oil, 6 parts by weight of caprylic / capric triglyceride, 1 part by weight of myristic acid, 1 part by weight of tetradecanoic acid, 4 parts by weight of C12-15 alcohol benzoate and 1 part by weight of diethoxyethyl succinate.

[0075] The triethanolamine is a pH adjuster used to adjust the pH of the lipstick composition to 6.5.

[0076] Example 3

[0077] A film-forming agent for modifying fumed silica, wherein the film-forming agent is obtained by the interaction of a cyclodextrin-siloxane hybrid with the hydroxyl groups on the surface of fumed silica;

[0078] The cyclodextrin-siloxane hybrid is obtained by reacting β-cyclodextrin with an epoxy silane coupling agent.

[0079] The modification of fumed silica includes the following steps:

[0080] A1. Dry β-cyclodextrin under vacuum to constant weight, add anhydrous ethanol and stir to dissolve;

[0081] A2, drop silane coupling agent KH-560 and glacial acetic acid into the β-cyclodextrin solution prepared in step A1 in turn to catalyze the reaction to obtain a cyclodextrin-siloxane solution;

[0082] A3, disperse fumed white carbon black in anhydrous ethanol, drop the cyclodextrin-siloxane solution prepared in step A2 into the fumed white carbon black ethanol solution, adjust the pH to 5.5 with glacial acetic acid, and react for 15 h to obtain modified fumed white carbon black.

[0083] The mass ratio of β-cyclodextrin to anhydrous ethanol in step A1 is 1:6.

[0084] The mass ratio of β-cyclodextrin, silane coupling agent KH-560 and glacial acetic acid in step A2 is 1:2.5:0.2; and the catalytic reaction temperature is 65°C.

[0085] The mass ratio of fumed white carbon black, anhydrous ethanol and cyclodextrin-siloxane solution in step A3 is 1:6:1.2.

[0086] The film-forming agent modified by the fumed white carbon black comprises the following raw materials by weight:

[0087] 3 parts of modified fumed white carbon black, 6 parts of dimethyl silicone oil, 4 parts of poly-alpha-olefin, 12 parts of trimethyl siloxy silicate, 7 parts of octyl silicone gel elastomer, 6 parts of diisostearyl alcohol malate, 4 parts of synthetic wax 30919, 4 parts of silicon-treated titanium dioxide, 4 parts of color powder, 0.8 parts of hydrogenated lecithin Picocare SE, 0.3 parts of alpha arbutin and 0.06 parts of sodium hyaluronate.

[0088] The preparation of the film-forming agent modified by the fumed white carbon black comprises the following steps:

[0089] B1, add the modified fumed white carbon black to the dimethyl silicone oil and homogenize, then add the poly-alpha-olefin to mix to obtain a homogenized paste;

[0090] B2, melt and mix the trimethyl siloxy silicate, octyl silicone gel elastomer, diisostearyl alcohol malate and synthetic wax 30919, then add the homogenized paste prepared in step B1 and homogenize again;

[0091] B4, premix the silicon-treated titanium dioxide and the color powder with 4% caprylocaproyl macrogolglycerides respectively, then mix the hydrogenated lecithin Picocare SE, alpha arbutin and sodium hyaluronate uniformly, and add to the homogenized paste prepared in step B2 to mix uniformly;

[0092] B5, add 4% polyglyceryl-3 diisostearate, 3% polyglyceryl-2 triisostearate and 3% dibutyl ethylhexanoyl glutamine to the mixture prepared in step B4 and stir uniformly, then add 0.2% preservative p-hydroxybenzoic acid ester and 0.1% disodium EDTA to mix uniformly to obtain the product.

[0093] A lipstick composition comprising the following raw materials by weight:

[0094] 20 parts of fumed white carbon modified film forming agent, 0.5 parts of extract of Morinda officinalis, 0.4 parts of extract of Sapindus, 0.6 parts of extract of long stem grape caulerpa, 0.02 parts of acetyl hexapeptide-8, 1.8 parts of sorbitan isostearate, 30 parts of base solvent, 3 parts of glycerol, 0.8 parts of betaine, 1 part of ethylhexyl salicylate and 0.6 parts of triethanolamine.

[0095] The base solvent comprises: 10 parts by weight of cosmetic grade white oil, 8 parts of caprylocapryl acid triglyceride, 2 parts of myristic acid, 2 parts of tetradecanoic acid, 5 parts of C12-15 alcohol benzoate and 2 parts of diethoxy ethyl succinate.

[0096] The triethanolamine is a pH regulator for adjusting the pH of the lipstick composition to 6.0.

[0097] Comparative Example 1

[0098] On the basis of Example 1, unmodified white carbon is used instead of modified modified white carbon, and the rest is consistent with Example 1.

[0099] Comparative Example 2

[0100] On the basis of Example 1, the step A2 omits the operation of adding silane coupling agent KH-560, and the rest is consistent with Example 1.

[0101] Comparative Example 3

[0102] On the basis of Example 1, the silane coupling agent KH-560 of step A2 is replaced by silane coupling agent KH-550, and the rest is consistent with Example 1.

[0103] Comparative Example 4

[0104] On the basis of Example 1, no modified white carbon is added to the film forming agent, and an equal amount of dimethyl silicone oil is used instead, and the rest is consistent with Example 1.

[0105] Comparative Example 5

[0106] On the basis of Example 1, the film forming agent is replaced with an equal amount of commercially available organic silicon film forming agent polymethylsilsesquioxane, and the rest is consistent with Example 1.

[0107] Performance test:

[0108] After the lipstick compositions described in the examples and comparative examples are mixed uniformly to form solid lipsticks, 10 volunteers are recruited for cup dipping test, color holding test and skin feel test:

[0109] Cupping effect: after 2 min of applying lipstick to the volunteers, press the lips against the ceramic cup wall for 3 seconds and then move away, and observe the cup wall for cupping;

[0110] Color retention: after 10 min of applying lipstick to the volunteers, wipe the lips with artificial saliva for 10 times, and then observe the residual rate;

[0111] Skin feel evaluation: actual use sensory evaluation is used, the volunteers blindly measure the smoothness and stickiness of the examples and the comparative examples, 5 points represent good, 4 points represent better, 3 points represent general, 2 points represent worse, and 1 point represents poor; after 10 people evaluate, the data is recorded, and the average value is taken;

[0112] Stability: after the lipstick is placed at 45℃ for 1 month, the color change is tested by a colorimeter.

[0113]

[0114] Stickiness score: 5 points = no stickiness, 1 point = severe stickiness

[0115] From the test results, the color retention rate (>80%) of examples 1-3 is significantly higher than that of the unmodified comparative example 1 and the commercially available film-forming agent comparative example 5, confirming the combination of the pigment in the cavity of the β-cyclodextrin; the performance of comparative example 2 (missing KH-560) is significantly decreased, indicating that the epoxy silane coupling is the key to constructing the hybrid; comparative example 3 further proves the synergistic effect of the epoxy group and the β-cyclodextrin.

[0116] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to make equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any indirect modification, equivalent change and modification of the above examples according to the technical essence of the present application, which does not depart from the technical solution of the present application, still belongs to the scope of the technical solution of the present application.

Claims

1. A film-forming agent modified with fumed silica, characterized in that: The film-forming agent is obtained by the interaction between a cyclodextrin-siloxane hybrid and the hydroxyl groups on the surface of fumed silica. The cyclodextrin-siloxane hybrid is obtained by reacting β-cyclodextrin with an epoxy silane coupling agent. The film-forming agent modified with fumed silica comprises the following raw materials in parts by weight: 1-3 parts modified fumed silica, 4-6 parts dimethyl silicone oil, 2-4 parts polyalphaolefin, 8-12 parts trimethylsiloxysilicate, 3-7 parts octyl silicone oil gel elastomer, 2-6 parts diisostearyl malate, 2-4 parts synthetic wax 30919, 2-4 parts silicon-treated titanium dioxide, 2-4 parts pigment, 0.2-0.8 parts hydrogenated lecithin Picocare SE, 0.1-0.3 parts alpha-arbutin, and 0.02-0.06 parts sodium hyaluronate; The modification of fumed silica includes the following steps: A1. Dry β-cyclodextrin under vacuum to constant weight, add anhydrous ethanol and stir to dissolve; A2. Add silane coupling agent KH-560 and glacial acetic acid dropwise to the β-cyclodextrin solution obtained in step A1 to catalyze the reaction and obtain cyclodextrin-siloxane solution. A3. Disperse fumed silica in anhydrous ethanol, add the cyclodextrin-siloxane solution obtained in step A2 dropwise to the fumed silica ethanol solution, adjust the pH to 5.0-5.5 with glacial acetic acid, and react for 12-15 hours to obtain modified fumed silica.

2. The film-forming agent for modifying fumed silica according to claim 1, characterized in that: The mass ratio of β-cyclodextrin to anhydrous ethanol in step A1 is 1:4-6.

3. The film-forming agent for modifying fumed silica according to claim 1, characterized in that: The mass ratio of β-cyclodextrin, silane coupling agent KH-560, and glacial acetic acid in step A2 is 1:1.5-2.5:0.02-0.2; the catalytic reaction temperature is 55-65℃.

4. The film-forming agent for modifying fumed silica according to claim 1, characterized in that: The mass ratio of fumed silica, anhydrous ethanol, and cyclodextrin-siloxane solution in step A3 is 1:4-6:0.8-1.

2.

5. A method for preparing a film-forming agent modified with fumed silica as described in any one of claims 1-4, characterized in that: Includes the following steps: B1. Modified fumed silica is added to dimethyl silicone oil and homogenized, then polyα-olefin is added and mixed to obtain a homogenized paste. B2. Trimethylsiloxane silicate, octyl silicone oil gel elastomer, diisostearyl malate and synthetic wax 30919 are melted and mixed, and then added to the homogenized paste prepared in step B1 and homogenized again. B4. Premix the silicon-treated titanium dioxide and pigment with 2-4% caprylic / capric triglyceride, then add hydrogenated lecithin Picocare SE, α-arbutin and sodium hyaluronate and mix evenly. Then add the system prepared in step B2 and mix evenly. B5. Add 2-4% polyglycerol-3 diisostearate, 1-3% polyglycerol-2 triisostearate and 1-3% dibutylethylhexanoyl glutamine to the mixture obtained in step B4, stir well, then add the preservatives p-hydroxybenzoate and disodium EDTA and mix well to obtain the final product.

6. A lipstick composition comprising a film-forming agent modified with fumed silica according to any one of claims 1-4, characterized in that: Contains the following ingredients by weight: 10-20 parts of film-forming agent modified with fumed silica, 0.3-0.5 parts of dragon's blood extract, 0.2-0.4 parts of soapberry extract, 0.3-0.6 parts of long-stemmed grape fern extract, 0.01-0.02 parts of acetyl hexapeptide-8, 1-1.8 parts of sorbitan isostearate, 20-30 parts of base solvent, 2-3 parts of glycerol, 0.5-0.8 parts of betaine, 0.5-1 part of ethylhexyl salicylate, and 0.3-0.6 parts of triethanolamine.

7. A lipstick composition according to claim 6, characterized in that: The base solvent comprises: 8-10 parts by weight of cosmetic-grade white oil, 6-8 parts of caprylic / capric triglyceride, 1-2 parts of myristic acid, 1-2 parts of tetradecanoic acid, 4-5 parts of C12-15 alcohol benzoate, and 1-2 parts of diethoxyethyl succinate.

8. A lipstick composition according to claim 6, characterized in that, The triethanolamine is a pH adjuster used to adjust the pH of the lipstick composition to 6.0-6.5.

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