Mascara and preparation method thereof

Abstract

The present invention provides a mascara and a preparation method thereof, wherein the mascara contains, by mass percentage, 6%-13% wax, 1%-8% emulsifier, 1%-8% grease, 4%-10% humectant, 1%-5% powder, 6%-13% colorant, 0.1%-3% neutralizer, 30%-40% film former, 0.5%-1% preservative, and water surplus, wherein the humectant comprises maltitol, fibroin, and chitosan, and the film former comprises sodium polyacrylate. The mascara of the embodiment of the present invention is rationally designed by designing ingredients and the order of adding each component, so that the mascara has a good lengthening effect without adding fibers, while taking into account the effects of lasting shaping and thickening, and avoiding the risk of fibers falling and irritating eyes.

Description

Technical Field

[0001] The invention relates to the technical field of cosmetics, in particular to a mascara and a preparation method thereof. Background Art

[0002] As consumers pay more attention to beauty products, mascara, as one of the important cosmetics, continues to see an increasing market demand. Consumers pursue personalized and functional makeup, prompting the development of mascaras that can achieve multiple effects such as lengthening, volume, and shaping. Existing mascaras mostly achieve a lengthening effect by adding fibers to the eyelashes, which are adhered to the eyelashes. After the material is dried, the fibers have a greater chance of falling off and are easy to get into the eyes, causing discomfort. Moreover, many mascaras are difficult to achieve multiple effects such as lengthening, volume, and shaping at the same time. Summary of the invention

[0003] To solve the above technical problems, the present invention provides a mascara and a preparation method thereof. The present invention aims to utilize a moisturizer comprising maltitol, silk fibroin, and chitosan, and by matching them in a reasonable proportion, increase the adhesion of the mascara paste, and also enable the paste to have a lengthening property to achieve a lengthening effect. On the other hand, the three form a composite film to provide water and oil resistance. The high molecular weight characteristics of the sodium polyacrylate contained in the film-forming agent enable it to be wire-drawn and film-forming, and the use of the film-forming agent in combination enhances the shaping and makeup-holding effects of the mascara. That is, a reasonable proportion of maltitol, silk fibroin, and chitosan can make the mascara show a lengthening and dense effect without adding fibers, avoiding the risk of additional added fibers falling. Combined with sodium polyacrylate, the lengthening effect is better, and it has good film-forming properties and better water and oil resistance. Make up for the defect that most mascaras on the market cannot take into account multiple effects.

[0004] The first object of the present invention is to provide a mascara comprising the following components, which are counted by mass fraction:

[0005]

[0006]

[0007] The moisturizing agent includes maltitol, silk fibroin and chitosan;

[0008] The film former includes sodium polyacrylate.

[0009] In some embodiments of the present invention, the mass ratio of maltitol, silk fibroin and chitosan is (10-20):(1-4):2.

[0010] In the present invention, silk fibroin is derived from silk and is an amino acid natural moisturizer. The silk fibroin film formed by it has excellent hydrophilicity, which means that it is easy to hydrolyze in a water environment and has an unstable structure. The addition of chitosan can effectively improve the hydrophobicity of the blended film and enhance the structural stability. Maltitol has good hygroscopicity and moisture retention, and is used as a moisturizing regulator and also has film-forming properties. The addition of maltitol further consolidates the structural stability of the composite film. In mascara, when the mass ratio of maltitol, silk fibroin and chitosan is (10-20): (1-4): 2, the structural stability and water and oil resistance are better. On the other hand, maltitol itself is thick and silky, and can be used in mascara to enhance the stickiness of the paste, provide better makeup ability and lengthening effect. In other words, the composite film of maltitol, silk fibroin and chitosan is used together with a film-forming agent, so that the mascara has the characteristics of lengthening, thickening, shaping and water and oil resistance and has good structural stability.

[0011] In some embodiments of the present invention, the wax is one or more of carnauba wax, polyethylene wax, candelilla wax, beeswax and ozokerite. The present invention utilizes the high melting point characteristics of carnauba wax and polyethylene wax, and through the joint use of carnauba wax and polyethylene wax, effectively improves the hardness and toughness of the paste, achieves a curling and shaping effect, and provides film-forming properties.

[0012] In some embodiments of the present invention, the emulsifier is an oil-in-water emulsifier; further, the emulsifier is glyceryl stearate and PEG-100 stearate.

[0013] The oil is one or more of isododecane, hydrogenated polyisobutylene, polydimethylsiloxane or cyclopentasiloxane. The oil in the present invention is of medium to low viscosity and has a lower surface tension, so that the brushing performance is better. In addition, it plays a defoaming role in the preparation process of mascara.

[0014] In some embodiments of the present invention, the powder is one or more of mica, silicon dioxide, kaolin and talc. Further, mica is preferred. The present invention utilizes mica powder with good chemical stability and strong adhesion. In other words, the strong adhesion makes the mascara easier to adhere to the eyelashes to achieve a thickening effect. At the same time, mica has a moderate gloss and softness, good covering power and dispersibility, so it can be well added to the mascara to improve the product texture and appearance.

[0015] In some embodiments of the present invention, the colorant comprises glycerin, butylene glycol, toner, ceteareth-25 and water. The colorant comprises 5%-30% glycerin or butylene glycol, 30%-65% toner, 0.1%-5% ceteareth-25, and the balance is water. The present invention assists the dispersion of toner in water and glycerin or butylene glycol by ceteareth-25, so that the toner is not easy to agglomerate, is evenly dispersed in the system, and is easy to add to the formula. Adding it to mascara can make the mascara uniform in color and delicate in appearance.

[0016] In some embodiments of the present invention, the toner is one or more of carbon black, iron oxide, ultramarine blue, chrome green, ammonium ferrocyanide and titanium dioxide.

[0017] In some embodiments of the present invention, the neutralizing agent is selected from aminomethyl propanol and / or triethanolamine.

[0018] In some embodiments of the present invention, the film former further comprises one or more of styrene / acrylate copolymer, acrylate copolymer, and polyurethane.

[0019] Furthermore, the film former is sodium polyacrylate and styrene / acrylate copolymer. Sodium polyacrylate can produce a wide range of viscosity and fluidity. Low addition can produce high viscosity and the viscosity is less affected by ambient temperature. Adding it to mascara can provide a continuous adhesion effect. When applied to eyelashes, the sticky paste can lengthen the eyelashes and achieve a lengthening effect. Sodium polyacrylate can also suspend insoluble components in the system. In other words, sodium polyacrylate can make the color powder better dispersed in the mascara, which helps to improve the stability of the product. On the other hand, sodium polyacrylate has film-forming properties. By using it in combination with styrene / acrylate copolymer, the mascara can have better water and oil resistance and a shaping effect.

[0020] A second object of the present invention is to provide a method for preparing the mascara, comprising the following steps:

[0021] (1) heating and melting wax and emulsifier to obtain a mixed material 1;

[0022] (2) mixing the moisturizer, powder, colorant, neutralizer, and water, and heating and stirring to obtain a second mixture;

[0023] (3) adding oil to mixture 1, heating and stirring to obtain mixture 3;

[0024] (4) adding the mixture obtained in step (3) to the mixture obtained in step (2) under heating conditions, emulsifying and homogenizing to obtain a mixture of material 4;

[0025] (5) After the mixture 4 obtained in step (4) is cooled, a film-forming agent is added, and the mixture is mixed evenly to obtain a mixture 5; then a preservative is added, and the mixture is mixed evenly to obtain the mascara.

[0026] In some embodiments of the present invention, in steps (1), (3) and (4), heating is performed by water bath heating at a temperature of 88-95°C.

[0027] In some embodiments of the present invention, in step (4), the emulsification and homogenization condition parameter is 8000-12000 rpm.

[0028] The above technical solution of the present invention has the following advantages compared with the prior art:

[0029] Sodium polyacrylate and maltitol both have high viscosity characteristics, which provide lengthening and thickening effects for mascara; at the same time, they have film-forming properties, and when used together with film-forming agents, they can enhance the film-forming properties of mascara, making the mascara more water-resistant and oil-resistant. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0031] Examples 1-7 and Comparative Examples 1-4

[0032] 1. Raw material formula: The formula of the mascara of Examples 1-7 of the present invention is shown in Table 1 below, and the formula of the mascara of Comparative Examples 1-7 is shown in Table 2 below.

[0033] Table 1 Mascara formula of Examples 1-7

[0034]

[0035] Table 2 Mascara formula table of comparative examples 1-4

[0036]

[0037]

[0038] Among them, water, butylene glycol, CI 77266, and ceteareth-25 are Carbon Black W-889, a carbon black slurry produced by Liankai. Phenoxyethanol and caprylyl glycol are Microcare PHG, a preservative produced by Thor in the UK.

[0039] Comparative Example 1: The difference from Example 1 is that sodium polyacrylate is not added.

[0040] Comparative Example 2: The difference from Example 1 is that maltitol is not added.

[0041] Comparative Example 3: The difference from Example 1 is that no silk fibroin is added.

[0042] Comparative Example 4: The difference from Example 1 is that chitosan is not added.

[0043] 2. Preparation method:

[0044] (1) Heat component A in a water bath at 88-95°C and stir evenly after melting;

[0045] (2) Stir and mix component C and homogenize for 3 minutes;

[0046] (3) adding component B to component A and stirring evenly to obtain a first mixture;

[0047] (4) adding the first mixture obtained in step (3) to component C for emulsification, and after emulsification is completed, homogenizing at 10,000 rpm for 3 minutes;

[0048] (5) When the temperature of the second mixture obtained in step (4) drops to 60-70° C., add component D and stir evenly. Continue to cool down. When the temperature reaches 40° C., add component E and stir evenly. Discharge the mixture at room temperature to obtain mascara.

[0049] Performance Testing

[0050] Test 1: Mascara fastness, water resistance test and oil resistance test

[0051] Example: The mascara obtained in Examples 1-7 is filled into packaging materials, and 7-8 g of mascara is filled; the mascara obtained in Comparative Examples 1-4 is filled into packaging materials, and 7-8 g of mascara is filled.

[0052] Test methods

[0053] 1. Firmness test

[0054] Experimental method: Apply 7 times on false eyelashes, wait for about 15-20 minutes, and press lightly on white paper to see if there is any color mark.

[0055] 2. Water resistance test

[0056] Test method: Apply the example mascara and the comparative example mascara on the false eyelashes 7 times respectively, wait for about 15-20 minutes; take a beaker, fill it with 50 ml of water, immerse the false eyelashes in the water for 2 minutes, take out and shake off the water, and press lightly on white paper to check whether there is any color imprint.

[0057] 3. Oil resistance test

[0058] Test method: Apply the example mascara and the comparative example mascara on the false eyelashes 7 times respectively, wait for about 15-20 minutes; take a beaker, fill it with 50 ml of artificial sebum, immerse the false eyelashes in the artificial sebum for 2 minutes, take out and shake the liquid lightly, and press lightly on white paper to check whether there is a color mark.

[0059] Test results: The water / oil resistance test results of Examples 1-7 and Comparative Examples 1-4 are shown in Table 3.

[0060] Table 3 Test results of Examples 1-7 and Comparative Examples 1-4

[0061] serial number Firmness Water resistance Oil resistance Example 1 No trace No trace No trace Example 2 No trace No trace No trace Example 3 No trace No trace No trace Example 4 No trace No trace No trace Example 5 No trace No trace No trace Example 6 No trace No trace No trace Example 7 No trace No trace No trace Comparative Example 1 No trace No trace Slight marks Comparative Example 2 No trace No trace No trace Comparative Example 3 No trace No trace Obvious marks Comparative Example 4 No trace Obvious marks Slight marks

[0062] From the comparison results of Comparative Example 1 and Example 1, sodium polyacrylate enhances the oil resistance of mascara. From the comparison results of Comparative Examples 3 and 4 and Example 1, the film performance is slightly weaker when chitosan is added without silk fibroin, and it has water resistance but not oil resistance; the film formed by adding silk fibroin without chitosan is hydrophilic, so the water resistance is poor. Adding silk fibroin and chitosan at the same time to form a composite film makes the mascara have better water and oil resistance.

[0063] Test 2: Cold and heat resistance of mascara

[0064] The heat stability of the mascaras in Examples 1 to 7 and Comparative Examples 1 to 4 was tested by placing the mascaras at 48° C. for 30 days and then returning to room temperature to observe whether the properties of the mascaras were abnormal.

[0065] The cold resistance stability of the mascaras in Examples 1-7 and Comparative Examples 1-4 was tested by placing the mascaras at -18°C for 30 days and then returning to room temperature to observe whether the properties of the mascaras were abnormal.

[0066] Test results: The test results of cold and heat resistance of Examples 1-7 and Comparative Examples 1-4 are shown in Table 4.

[0067] Table 4 Test results of Examples 1-7 and Comparative Examples 1-4

[0068] serial number Thermal stability (50℃) Cold resistance (-18℃) Example 1 No abnormality No abnormality Example 2 No abnormality No abnormality Example 3 No abnormality No abnormality Example 4 No abnormality No abnormality Example 5 No abnormality No abnormality Example 6 No abnormality No abnormality Example 7 No abnormality No abnormality Comparative Example 1 Water analysis No abnormality Comparative Example 2 No abnormality No abnormality Comparative Example 3 Water analysis No abnormality Comparative Example 4 Water analysis Water analysis

[0069] From the test results of cold and heat resistance of comparative example 1 and example 1, it can be seen that sodium polyacrylate provides better stability for mascara. From the results of comparative examples 3, 4 and example 1, it can be seen that silk fibroin and chitosan have a positive effect on the structural stability of mascara.

[0070] 30 volunteers aged 22-45 were randomly recruited, and the mascaras of Examples 1-5 and Comparative Examples 1-4 were used for makeup. The makeup effects were scored and divided into four aspects: lengthening, thickening, curling, and shaping. The lengthening score ranged from 1 to 10 points, with 10 points for the best lengthening effect and 1 point for almost no lengthening effect. The thickening score ranged from 1 to 10 points, with 10 points for the best thickening effect and 1 point for almost no thickening effect. The curling score ranged from 1 to 10 points, with 10 points for the best curling effect and 1 point for almost no curling effect. After 8 hours of daily activities, the shaping effect was scored, with a score range of 1 to 10 points, with 10 points for eyelashes not collapsing and 1 point for eyelashes completely collapsing. The lengthening, thickening, curling, and shaping effects of each mascara took the average of all volunteers' scores, and the results are shown in Table 5.

[0071] Table 5 Volunteers' rating results for Examples 1-5 and Comparative Examples 1-4

[0072]

[0073]

[0074] From the makeup effect scoring results of Comparative Examples 1 and 2 and Example 1, it can be seen that the use of sodium polyacrylate and maltitol together can increase the lengthening, thickening and shaping effects. From the results of Comparative Example 2 and Example 1, Example 2, Example 5, and Example 7, it can be seen that maltitol can increase the adhesion and drawing properties of mascara, making the mascara thick and lengthening effects, and from the comparison of Example 1, Example 2, and Example 5, it can be seen that the lengthening and thickening effects are more obvious as the amount of maltitol increases. From the results of Comparative Example 4 and Example 1, it can be seen that the composite film of silk fibroin and chitosan enhances the film-forming properties of mascara and provides better curling and shaping effects.

[0075] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. A mascara, characterized in that: The following components are included and are counted by mass fraction: The moisturizing agent includes maltitol, silk fibroin and chitosan; The film former includes sodium polyacrylate.

2. The mascara according to claim 1, characterized in that The mass ratio of the maltitol, silk fibroin and chitosan is (10-20):(1-4):

2.

3. The mascara according to claim 1, characterized in that The wax is one or more of carnauba wax, polyethylene wax, candelilla wax, beeswax and ozokerite.

4. The mascara according to claim 1, characterized in that The emulsifier is one or more oil-in-water emulsifiers; The oil is one or more of isododecane, hydrogenated polyisobutylene, polydimethylsiloxane or cyclopentasiloxane.

5. The mascara according to claim 1, characterized in that: The powder is one or more of mica, silicon dioxide, kaolin and talc.

6. The mascara according to claim 1, characterized in that The colorant includes glycerin, butylene glycol, color powder, ceteareth-25 and water.

7. The mascara according to claim 6, characterized in that The color powder is one or more of carbon black, iron oxide, ultramarine blue, chrome green, ammonium ferrocyanide and titanium dioxide.

8. The mascara according to claim 1, characterized in that The neutralizing agent is selected from aminomethyl propanol and / or triethanolamine.

9. The mascara according to claim 1, characterized in that: The film former further comprises one or more of styrene / acrylate copolymer, acrylate copolymer, and polyurethane.

10. A method for preparing the mascara according to any one of claims 1 to 9, characterized in that: The following steps are involved: (1) heating and melting wax and emulsifier to obtain a mixed material 1; (2) mixing the moisturizer, powder, colorant, neutralizer, and water, and heating and stirring to obtain a second mixture; (3) adding oil to mixed material 1, heating and stirring to obtain mixed material 3; (4) adding the mixture obtained in step (3) to the mixture obtained in step (2) under heating conditions, emulsifying and homogenizing to obtain a mixture of material 4; (5) After the mixture 4 obtained in step (4) is cooled, a film-forming agent is added, and the mixture is mixed evenly to obtain a mixture 5; then a preservative is added, and the mixture is mixed evenly to obtain the mascara.

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