A sepiolite multifunctional mask and a preparation method thereof

Abstract

The present application relates to the skin care technical field, and provides a sepiolite multifunctional mask and a preparation method thereof, raw materials including sepiolite composite material, synergist and water, wherein the sepiolite composite material includes sepiolite and antibacterial components. The mask prepared from the raw materials is green, safe, mild and non-irritating, can deeply clean the skin surface, has good antibacterial effect, can effectively inhibit the growth of surface bacteria, creates an antibacterial and bactericidal environment on the skin surface, and is beneficial to the maintenance of sensitive skin, the prevention of acne and the repair of damaged skin.

Description

Technical Field

[0001] This invention relates to the field of skincare technology, and in particular to a sepiolite multifunctional facial mask and its preparation method. Background Technology

[0002] As living standards continue to improve, women's awareness of skincare is rapidly increasing, their consumption concepts are constantly changing, and their demand for skincare products such as face masks is also constantly increasing.

[0003] In terms of ingredients, face masks mainly consist of solutions, emulsifiers, film-forming agents, preservatives, fragrances, and base materials. Besides water, they contain a large number of chemical substances. Long-term use of these compounds is not beneficial to the human body, therefore, the use of natural active substances has become a major trend in face mask product design. In recent years, face mask products using inorganic materials as base materials, such as diatomaceous earth, black mud, and volcanic ash mud masks, have appeared on the market and have received positive feedback from users. These inorganic materials have complex compositions, contain various trace elements beneficial to the human body, and are chemically stable, not dissolving during use, which is beneficial for subsequent skin cleansing. For example, Chinese invention patent CN102846497A discloses a mineral mud wash-off mask, comprising the following ingredients by weight: 20-80 parts mineral mud, 5-60 parts mineral mud essence water, 10-40 parts deionized water, 1-20 parts moisturizer, 0.5-5 parts thickening emulsifier, and 0.1-1 part preservative. It can be seen that most existing face masks contain a considerable proportion of chemical substances as active ingredients, and there is still much room for improvement from a health and environmental perspective. Summary of the Invention

[0004] The purpose of this invention is to provide a multifunctional facial mask based on sepiolite composite material, which contains a variety of trace elements beneficial to the human body, is skin-friendly, and has a good antibacterial effect while deeply cleansing the skin surface; the added synergists are bio-friendly materials and inorganic substances, which are green, environmentally friendly and have no health risks.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solution:

[0006] This invention provides a sepiolite multifunctional facial mask, comprising the following raw materials in parts by weight: 30-50 parts sepiolite composite material, 0.1-10 parts synergist, and 50-120 parts water.

[0007] Preferably, the sepiolite composite material includes sepiolite and an antibacterial component.

[0008] Preferably, the antibacterial component includes one or more of silver, silver oxide, zinc oxide, copper oxide, and cuprous oxide.

[0009] Preferably, the synergist is one or more of chitosan, polylactic acid, sodium polyacrylate, glycerin, hydroxyethyl cellulose, sodium alginate, vitamin A, vitamin C, vitamin B2, and bleach.

[0010] Preferably, the preparation method of the sepiolite composite material includes the following steps: mixing sepiolite powder with acetate and then ball milling once, heating at 300-500℃ for 3-5 hours, cooling to 25±1℃, and then ball milling a second time to obtain the sepiolite composite material.

[0011] Preferably, the acetate includes one or a mixture of several of silver acetate, copper acetate, and zinc acetate.

[0012] Preferably, the mass ratio of the sepiolite powder to acetate is 1:(0.04-0.3), the speed of the first and second ball milling is 100-500 rpm, and the time of the first and second ball milling is 3-30 min.

[0013] Preferably, the sepiolite content in the sepiolite composite material is 70-99%.

[0014] The present invention also provides a method for preparing the sepiolite multifunctional face mask, comprising the following steps: mixing and stirring the sepiolite composite material with a synergist and water in sequence to obtain the sepiolite multifunctional face mask.

[0015] Preferably, the stirring time is 3-5 minutes.

[0016] By adopting the above technical solution, the present invention has the following beneficial effects:

[0017] 1. The technical solution of the present invention does not require the use of a large amount of water-retaining agent and thickener. The sepiolite has good rheological properties after absorbing water, and can make good contact with the skin during the use of the mask, maintaining a high humidity at the interface.

[0018] 2. The sepiolite composite material of the present invention has a strong adsorption capacity, which can absorb and remove heavy metal ions and organic pollutants from the skin surface, and the resulting mask can deeply clean the skin surface.

[0019] 3. The sepiolite composite material of the present invention also has good bactericidal and bacteriostatic effects. The resulting mask can create an antibacterial and bactericidal environment on the skin surface, and has a good effect on the care of sensitive skin, anti-inflammation, anti-acne and repair of damaged skin. Attached Figure Description

[0020] Figure 1 Performance test results for freshly prepared face masks and face masks stored for 22 days. Figure 1 In section A, the mask is freshly prepared. Figure 1 (B in the text refers to the face mask after being stored for 22 days);

[0021] Figure 2 The water retention capacity of the sepiolite multifunctional face mask prepared in Example 1 at different times. Detailed Implementation

[0022] This invention provides a sepiolite multifunctional facial mask, comprising the following raw materials: sepiolite composite material, synergist, and water.

[0023] In this invention, the sepiolite composite material is preferably 30-50 parts by weight, more preferably 35-45 parts, and even more preferably 40 parts by weight; the synergist is preferably 0.1-10 parts by weight, more preferably 1-8 parts, and even more preferably 2-4 parts by weight; and the water is preferably 50-120 parts by weight, more preferably 70-110 parts, and even more preferably 90 parts by weight.

[0024] In this invention, the sepiolite composite material includes sepiolite and an antibacterial component, wherein the antibacterial component includes one or more of silver, silver oxide, zinc oxide, copper oxide, and cuprous oxide.

[0025] In this invention, the synergist is preferably one or more of chitosan, polylactic acid, sodium polyacrylate, glycerin, hydroxyethyl cellulose, sodium alginate, vitamin A, vitamin C, vitamin B2, and bleach. More preferably, it is one or more of chitosan, polylactic acid, sodium polyacrylate, glycerin, vitamin A, vitamin C, and bleach. In this invention, when the synergist is glycerin and vitamin A, the mass ratio of glycerin to vitamin A is preferably 2:(0.5-1.5), more preferably 2:(0.8-1.2), and even more preferably 2:1. In this invention, the addition of vitamin A, vitamin C, and other components can regulate the growth of epithelial cells, lock in skin moisture, making the skin moist and delicate, effectively remove free radicals, eliminate facial wrinkles, and have a certain therapeutic effect on symptoms such as acne and pustules; the glycerin can also improve the water retention of the mask, lock in skin moisture, and make the skin moist and delicate.

[0026] In this invention, the preparation method of the sepiolite composite material includes the following steps: mixing sepiolite powder with acetate and then ball milling once, heating, then cooling to 25±1℃, and ball milling a second time to obtain the sepiolite composite material.

[0027] In this invention, after the sepiolite powder and acetate powder are mixed, the acetate and sepiolite fibers mutually promote their dispersibility. The metal acetate powder decomposes after heat treatment, producing the corresponding metal or metal oxide. The sepiolite fibers inhibit the growth of the decomposed metal and metal oxide and act as a growth template, forming metal and metal oxide nanoparticles on its surface. In this invention, the acetate includes one or more of silver acetate, copper acetate, and zinc acetate. In this invention, the mass ratio of sepiolite powder to acetate is preferably 1:(0.04-0.3), more preferably 1:(0.05-0.2), and even more preferably 1:(0.1-0.15); the heating temperature is preferably 300-500℃; the heating time is preferably 3-5h, more preferably 3.5-4.5h, and even more preferably 4h; the speed of the first and second ball milling is preferably 100-500rpm, more preferably 150-300rpm, and even more preferably 200rpm; the time of the first and second ball milling is preferably 3-30min, more preferably 4-10min, and even more preferably 5min.

[0028] In this invention, the content of sepiolite in the sepiolite composite material is preferably 70-99%, more preferably 80-98%, and even more preferably 94%.

[0029] The present invention also provides a method for preparing the sepiolite multifunctional face mask, comprising the following steps: mixing and stirring the sepiolite composite material with a synergist and water in sequence to obtain the sepiolite multifunctional face mask.

[0030] In this invention, the stirring time is preferably 3-5 min, more preferably 3.5-4.5 min, and even more preferably 4 min.

[0031] The technical solutions provided by the present invention will be described in detail below with reference to the embodiments, but they should not be construed as limiting the scope of protection of the present invention.

[0032] Example 1

[0033] A multifunctional sepiolite facial mask, composed of: 40 parts sepiolite composite material, 2 parts glycerin, and 90 parts water;

[0034] The sepiolite composite material is composed of sepiolite and zinc oxide, wherein the zinc oxide content is 4%;

[0035] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0036] (1) After mixing sepiolite powder and zinc acetate at a mass ratio of 1:0.1, the mixture is ball-milled once at a speed of 200 rpm for 5 min, and then placed in a muffle furnace and heated at 380℃ for 4 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 200 rpm for 5 min to obtain the sepiolite / zinc oxide composite material.

[0037] (2) The sepiolite / zinc oxide composite material is mixed with glycerin and water in sequence and stirred for 4 minutes to obtain the sepiolite multifunctional face mask.

[0038] Example 2

[0039] A multifunctional sepiolite facial mask, composed of: 40 parts sepiolite composite material, 2 parts glycerin, and 90 parts water;

[0040] The sepiolite composite material is composed of sepiolite and silver, wherein the silver content is 6%;

[0041] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0042] (1) After mixing sepiolite powder and silver acetate at a mass ratio of 1:0.1, the mixture is ball-milled once at a speed of 200 rpm for 5 min, and then placed in a muffle furnace and heated at 380℃ for 4 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 200 rpm for 5 min to obtain the sepiolite / silver composite material.

[0043] (2) The sepiolite / silver composite material is mixed with glycerin and water in sequence and stirred for 4 minutes to obtain the sepiolite multifunctional face mask.

[0044] Example 3

[0045] A multifunctional sepiolite facial mask is composed of: 40 parts sepiolite composite material, 2 parts synergist, and 90 parts water.

[0046] The sepiolite composite material is composed of sepiolite, silver and zinc oxide, wherein the silver content is 1.6% and the zinc oxide content is 1%; the synergist is glycerol and vitamin A in a mass ratio of 2:1.

[0047] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0048] (1) After mixing sepiolite powder with a mixture of silver acetate and zinc acetate at a mass ratio of 1:0.05, the mixture is ball-milled once at a speed of 200 rpm for 5 min, and then placed in a muffle furnace and heated at 300℃ for 3 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 200 rpm for 5 min to obtain the sepiolite / silver / zinc oxide composite material.

[0049] (2) The sepiolite / silver / zinc oxide composite material is mixed with synergist and water in sequence, and stirred for 3 minutes to obtain the sepiolite multifunctional face mask.

[0050] Example 4

[0051] A multifunctional sepiolite facial mask is composed of: 30 parts sepiolite composite material, 0.1 parts glycerin, and 50 parts water.

[0052] The sepiolite composite material is composed of sepiolite and copper oxide, wherein the copper oxide content is 2%;

[0053] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0054] (1) After mixing sepiolite powder and copper acetate at a mass ratio of 1:0.05, the mixture is ball-milled once at a speed of 200 rpm for 5 min, and then placed in a muffle furnace and heated at 300℃ for 3 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 200 rpm for 5 min to obtain the sepiolite / copper oxide composite material.

[0055] (2) The sepiolite / copper oxide composite material is mixed with glycerin and water in sequence and stirred for 3 minutes to obtain the sepiolite multifunctional face mask.

[0056] Example 5

[0057] A multifunctional sepiolite facial mask is composed of: 30 parts sepiolite composite material, 0.1 parts synergist, and 50 parts water.

[0058] The sepiolite composite material is composed of sepiolite and cuprous oxide, wherein the cuprous oxide content is 3%; the synergist is glycerol and vitamin A in a mass ratio of 2:0.5.

[0059] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0060] (1) After mixing sepiolite powder and copper acetate at a mass ratio of 1:0.04, the mixture is ball-milled once at a speed of 200 rpm for 5 min, and then placed in a muffle furnace and heated at 400℃ for 3 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 200 rpm for 5 min to obtain the sepiolite / cuprous oxide composite material.

[0061] (2) The sepiolite / cuprous oxide composite material is mixed with synergist and water in sequence, and stirred for 3 minutes to obtain the sepiolite multifunctional face mask.

[0062] Example 6

[0063] A multifunctional sepiolite facial mask is composed of: 50 parts sepiolite composite material, 10 parts synergist, and 120 parts water.

[0064] The sepiolite composite material is composed of sepiolite and zinc oxide, wherein the zinc oxide content is 1%; the synergist is glycerol and vitamin A in a mass ratio of 2:0.5.

[0065] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0066] (1) After mixing sepiolite powder and zinc acetate at a mass ratio of 1:0.3, the mixture is ball-milled once at a speed of 500 rpm for 30 min, and then placed in a muffle furnace and heated at 300℃ for 3 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 500 rpm for 30 min to obtain the sepiolite / zinc oxide composite material.

[0067] (2) The sepiolite / zinc oxide composite material is mixed with synergist and water in sequence, and stirred for 3 minutes to obtain the sepiolite multifunctional face mask.

[0068] Example 7

[0069] A multifunctional sepiolite facial mask, composed of: 50 parts sepiolite composite material, 2 parts glycerin, and 90 parts water;

[0070] The sepiolite composite material is composed of sepiolite, copper oxide, and zinc oxide, wherein the copper oxide content is 4% and the zinc oxide content is 4%.

[0071] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0072] (1) After mixing sepiolite powder with a mixture of copper acetate and zinc acetate at a mass ratio of 1:0.2, the mixture is ball-milled once at 500 rpm for 30 min, then placed in a muffle furnace and heated at 500℃ for 5 h. After cooling to 25±1℃, the mixture is ball-milled a second time at 500 rpm for 30 min to obtain the sepiolite / copper oxide / zinc oxide composite material.

[0073] (2) The sepiolite / copper oxide / zinc oxide composite material is mixed with glycerin and water in sequence and stirred for 5 minutes to obtain the sepiolite multifunctional face mask.

[0074] Example 8

[0075] A multifunctional sepiolite facial mask is composed of: 50 parts sepiolite composite material, 2 parts chitosan, and 90 parts water.

[0076] The sepiolite composite material is composed of sepiolite, copper oxide, and zinc oxide, wherein the copper oxide content is 6% and the zinc oxide content is 6%.

[0077] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0078] (1) After mixing sepiolite powder with a mixture of copper acetate and zinc acetate at a mass ratio of 1:0.3, the mixture is ball-milled once at 100 rpm for 5 min, then placed in a muffle furnace and heated at 500℃ for 5 h. After cooling to 25±1℃, the mixture is ball-milled a second time at 100 rpm for 5 min to obtain the sepiolite / copper oxide / zinc oxide composite material.

[0079] (2) The sepiolite / copper oxide / zinc oxide composite material is mixed with chitosan and water in sequence and stirred for 5 minutes to obtain the sepiolite multifunctional mask.

[0080] Example 9

[0081] A multifunctional sepiolite facial mask is composed of: 50 parts sepiolite composite material, 2 parts polylactic acid, and 90 parts water.

[0082] The sepiolite composite material is composed of sepiolite, copper oxide, and zinc oxide, wherein the copper oxide content is 1% and the zinc oxide content is 1%.

[0083] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0084] (1) After mixing sepiolite powder with a mixture of copper acetate and zinc acetate at a mass ratio of 1:0.05, the mixture is ball-milled once at a speed of 150 rpm for 10 min, and then placed in a muffle furnace and heated at 500℃ for 5 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 150 rpm for 10 min to obtain the sepiolite / copper oxide / zinc oxide composite material.

[0085] (2) The sepiolite / copper oxide / zinc oxide composite material is mixed with polylactic acid and water in sequence and stirred for 5 minutes to obtain the sepiolite multifunctional mask.

[0086] Example 10

[0087] A multifunctional sepiolite facial mask is composed of: 50 parts sepiolite composite material, 2 parts sodium polyacrylate, and 90 parts water.

[0088] The sepiolite composite material is composed of sepiolite and silver, wherein the silver content is 3%;

[0089] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0090] (1) After mixing sepiolite powder and silver acetate at a mass ratio of 1:0.05, the mixture is ball-milled once at a speed of 500 rpm for 5 min, and then placed in a muffle furnace and heated at 500℃ for 5 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 500 rpm for 5 min to obtain the sepiolite / silver composite material.

[0091] (2) The sepiolite / silver composite material is mixed with sodium polyacrylate and water in sequence and stirred for 5 minutes to obtain the sepiolite multifunctional mask.

[0092] Comparative Example 1

[0093] A multifunctional sepiolite facial mask, composed of: 50 parts sepiolite composite material and 90 parts water;

[0094] The sepiolite composite material is composed of sepiolite and zinc oxide, wherein the zinc oxide content is 4%;

[0095] The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows:

[0096] (1) After mixing sepiolite powder and zinc acetate at a mass ratio of 1:0.1, the mixture is ball-milled once at a speed of 200 rpm for 5 min, and then placed in a muffle furnace and heated at 380℃ for 4 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 200 rpm for 5 min to obtain the sepiolite / zinc oxide composite material.

[0097] (2) The sepiolite / zinc oxide composite material is mixed with water in sequence and stirred for 4 minutes to obtain the sepiolite multifunctional face mask.

[0098] Experimental Example 1

[0099] Based on Example 1, performance tests were conducted on freshly prepared face masks and face masks stored for 22 days.

[0100] Freshly prepared face masks and face masks stored for 22 days were respectively applied to vertically placed glass plates. The results showed no significant morphological change in either mask, indicating that the face mask material described in this invention possesses excellent stability and rheological properties (see results). Figure 1 ).

[0101] Antibacterial effect in Experiment Example 2

[0102] (a) Anti-Escherichia coli

[0103] Antibacterial experiments against Escherichia coli were conducted on the sepiolite multifunctional masks prepared in Examples 1-10 and Comparative Example 1. The inhibition rate was calculated by counting method, and the results are shown in Table 1.

[0104] Detailed experimental procedure:

[0105] (A) Preparation of bacterial culture: Take an appropriate amount of Escherichia coli plate culture that has been cultured at 34℃ for 24h and inoculate it into 1ml of 0.9% sterile NaCl solution. Perform two serial dilutions with the solvent, diluting 100 times each, to prepare 5×10⁻⁶ cells / mL of bacterial culture. 5 Prepare a bacterial culture at CFU / ml for later use.

[0106] (B) Take 5 ml of the sepiolite multifunctional facial mask prepared in Examples 1-10 and Comparative Example 1, and 5 ml of the control solution (sterile water) in 3 groups respectively. Add 100 μL of the prepared bacterial solution to each sample and control solution, mix thoroughly, and start timing for 20 min. Dilute the bacterial solution 20 times with sterile water, and take 0.25 ml of the diluted bacterial solution and spread it evenly on a TSA (Escherichia coli) plate. Incubate the TSA plates at 37℃ for 12 h, count the colonies, and calculate the inhibition rate.

[0107]

[0108] Where A represents the average colony count in the control group and B represents the average colony count in the antimicrobial material group.

[0109] Table 1. Antibacterial rate of different groups of sepiolite multifunctional masks against Escherichia coli.

[0110]

[0111] As can be seen from Table 1, the sepiolite multifunctional masks prepared in Examples 1-10 have a good antibacterial effect against Escherichia coli, with an antibacterial rate of over 95%, and up to 99.99%.

[0112] (ii) Anti-Staphylococcus aureus

[0113] Antibacterial experiments against Staphylococcus aureus were conducted on the sepiolite multifunctional masks prepared in Examples 1-10 and Comparative Example 1. The inhibition rate was calculated by counting method, and the results are shown in Table 2.

[0114] The specific experimental procedure is the same as that for the anti-E. coli experiment.

[0115] Table 2. Antibacterial rate of different groups of sepiolite multifunctional masks against Staphylococcus aureus.

[0116]

[0117] As shown in Table 2, the sepiolite multifunctional facial masks prepared in Examples 1-10 have a good antibacterial effect against Staphylococcus aureus, with an antibacterial rate of over 89%, and a maximum of 99.36%. In summary, the facial masks prepared by the technical solution of this invention have a good antibacterial effect against Escherichia coli and can effectively remove bacteria from the skin surface.

[0118] Experimental Example 3: Acne Pustules Elimination Test

[0119] Based on the sepiolite multifunctional facial masks prepared in Examples 1-10 and Comparative Example 1, their efficacy in treating facial acne pustules was tested.

[0120] Twelve patients with numerous pustules on their faces, exhibiting redness, swelling, and stinging, were randomly divided into three groups of four. After washing their facial skin, the patients used the sepiolite multifunctional masks prepared in Examples 1-10 and Comparative Example 1, respectively. During the mask application, 9±1g of the mask was applied evenly to the face once daily for half an hour each time, for 10 consecutive days. The repair effect was observed daily (results are shown in Table 3).

[0121] Table 3. Elimination of facial acne pustules after using different groups of face masks.

[0122]

[0123] As shown in Table 3, the facial mask prepared using the technical solution described in this invention can effectively regulate the growth of epithelial cells, lock in skin moisture, and make the skin moist and delicate, and has a certain therapeutic effect on symptoms such as acne and pustules.

[0124] Test Example 4 Water Retention

[0125] Based on the sepiolite multifunctional face masks prepared in Example 1 and Comparative Example 1, their water retention capacity was tested.

[0126] The specific method for determining water retention was as follows: The two sets of prepared sepiolite multifunctional face masks were placed in glass dishes without any surface treatment. The samples were weighed and recorded at regular intervals, and the data were then processed. The calculation is performed, where m is the current mass of the sample and M is the original mass of the sample.

[0127] Table 4. Water retention properties of different groups of face masks

[0128]

[0129] As shown in Table 4, the facial mask prepared using the technical solution described in this invention has good water retention; after 3 hours, the moisture content of the mask still reaches approximately 85% (e.g., ...). Figure 2 ).

[0130] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A multifunctional sepiolite facial mask, comprising: 40 parts sepiolite composite material, 2 parts glycerin, and 90 parts water; The sepiolite composite material is composed of sepiolite and zinc oxide, wherein the zinc oxide content is 4%; The preparation process of the above-mentioned sepiolite multifunctional facial mask is as follows: (1) After mixing sepiolite powder and zinc acetate at a mass ratio of 1:0.1, the mixture is ball-milled once at a speed of 200 rpm for 5 min, and then placed in a muffle furnace and heated at 380℃ for 4 h. After cooling to 25±1℃, the mixture is ball-milled a second time at a speed of 200 rpm for 5 min to obtain the sepiolite / zinc oxide composite material. (2) The sepiolite / zinc oxide composite material is mixed with glycerin and water in sequence and stirred for 4 minutes to obtain the sepiolite multifunctional face mask.

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