阅读说明：本技术 一种维生素c永磁美白抗衰膜布及其制备方法 (Vitamin C permanent magnet whitening anti-aging film cloth and preparation method thereof ) 是由 岑叶卫 纪媛 于 2021-02-04 设计创作，主要内容包括：本发明公开了一种维生素C永磁美白抗衰膜布及其制备方法,所述的维生素C永磁美白抗衰膜布包括磁膜布和喷涂在磁膜布上的维生素浆料；所述的维生素浆料,按重量百分比计,包括组分：纳米微脂囊维生素C-维生素E乳液3%～10%；纳米银离子溶液1%～3%；海藻酸钠0.5%～1%；黄原胶0.2%～0.5%；水余量。本发明通过在磁膜布上喷涂纳米微脂囊包裹维生素浆料后烘干形成干膜,实现维生素C在膜布上的长时间稳定保存；使用时由于磁膜布的磁动力协同纳米银离子的作用,维生素C能够被皮肤快速吸收,有效利用率高,具有很好的美白祛斑和抗衰功效。(The invention discloses a vitamin C permanent magnet whitening anti-aging film cloth and a preparation method thereof, wherein the vitamin C permanent magnet whitening anti-aging film cloth comprises a magnetic film cloth and vitamin slurry sprayed on the magnetic film cloth; the vitamin slurry comprises the following components in percentage by weight: 3% -10% of nano microcapsule vitamin C-vitamin E emulsion; 1% -3% of nano silver ion solution; 0.5% -1% of sodium alginate; 0.2% -0.5% of xanthan gum; the balance of water. According to the invention, the vitamin slurry wrapped by the nano-microcapsule is sprayed on the magnetic membrane cloth and then dried to form a dry film, so that the long-time stable storage of vitamin C on the membrane cloth is realized; when in use, the vitamin C can be quickly absorbed by the skin due to the magnetic power of the magnetic film cloth in cooperation with the action of the nano silver ions, the effective utilization rate is high, and the whitening, freckle removing and anti-aging effects are good.)

1. The vitamin C permanent magnet whitening anti-aging membrane cloth is characterized by comprising a magnetic membrane cloth and vitamin slurry sprayed on the magnetic membrane cloth; the vitamin slurry comprises the following components in percentage by weight:

3% -10% of nano microcapsule vitamin C-vitamin E emulsion;

1% -3% of nano silver ion solution;

0.5% -1% of sodium alginate;

0.2% -0.5% of xanthan gum;

the balance of water.

2. The vitamin C permanent magnet whitening anti-aging membrane cloth as claimed in claim 1, wherein the vitamin C concentration of the nano microcapsule vitamin C-vitamin E emulsion is 100-200 mg/ml, and the vitamin E concentration is 100-200 mg/ml.

3. The vitamin C permanent magnet whitening anti-aging film cloth as claimed in claim 1, wherein the mass concentration of silver ions in the nano silver ion solution is 4000ppm to 6000 ppm.

4. The vitamin C permanent magnet whitening anti-aging film cloth according to claim 1, wherein the magnetic film cloth is a film cloth with a magnetic point or a magnetic pattern formed by air drying and solidifying microcapsule neodymium iron boron magnetic slurry adhered on one surface.

5. The vitamin C permanent magnet whitening anti-aging film cloth as claimed in claim 4, wherein the magnetic dots or magnetic patterns on the magnetic film cloth are distributed in a matrix arrangement.

6. The vitamin C permanent magnet whitening anti-aging film cloth as claimed in claim 1, wherein the vitamin slurry further comprises 0.2% -1% of hyaluronic acid and 8% -15% of glycerol by weight percentage.

7. The vitamin C permanent magnet whitening anti-aging film cloth according to any one of claims 1 to 6, wherein a vitamin slurry is sprayed on the magnetic film cloth and then dried to form a dry film.

8. The preparation method of the vitamin C permanent magnet whitening anti-aging film cloth according to any one of claims 1 to 7, characterized by comprising the following steps:

(1) adding the components except the nano microcapsule vitamin C-vitamin E emulsion into water according to the proportion, and stirring and mixing until the sodium alginate and the xanthan gum are completely dissolved;

(2) adding the nano microcapsule vitamin C-vitamin E emulsion, and uniformly stirring to prepare vitamin slurry;

(3) and uniformly spraying the vitamin slurry on the magnetic film cloth, and drying at 100-120 ℃ to obtain the vitamin C permanent magnet whitening anti-aging film cloth.

9. The preparation method of the vitamin C permanent magnet whitening anti-aging film cloth according to claim 8, wherein the stirring speed in the step (1) is 900-1100 r/min, and the stirring time is 15-20 min; the stirring speed of the step (2) is 500-600 revolutions per minute, and the stirring time is 3-5 minutes.

Technical Field

The invention belongs to the field of cosmetics, and particularly relates to vitamin C permanent magnet whitening anti-aging film cloth and a preparation method thereof.

Background

The existing facial mask is generally an immersion type facial mask, and usually a mask cloth is soaked in essence for packaging, and when the facial mask is used, the package is opened, and the facial mask is taken out for direct use. The mask essence contains rich nutrient substances, and generally needs to be added with a preservative which is easy to grow bacteria and deteriorate, but the use of the preservative has certain stimulation to the skin. Meanwhile, the facial mask contains more liquid essence, has a certain weight, is easy to leak and cause pollution in the storage and carrying processes, needs to pay attention to the storage environment condition, and is inconvenient to carry when being taken out.

Vitamin C has good antioxidant physiological activity, can eliminate oxygen free radicals, enhances the skin repairing and regenerating capability, delays senility and prevents wrinkles from generating, and is a frequently preferred active ingredient of a whitening, freckle-removing and anti-aging functional skin care product. However, vitamin C is chemically unstable, rapidly oxidized and decomposed in a dissolved state (especially under high temperature and light), and highly hydrophilic, is difficult to preserve in a solution, is difficult to penetrate sebum in the skin to be absorbed by the skin, and is greatly reduced in effective utilization in a cosmetic mask. The storage and absorption problems of the vitamin C limit the application of the vitamin C in mask products, and the prior art synthesizes vitamin C derivatives to ensure that the vitamin C has better stability, but the using effect is not ideal; the storage stability of vitamin C can be effectively improved by preventing the contact of the vitamin C with water and oxygen, and Chinese patent application 201910101405.7 discloses an anhydrous nano vitamin C face cream, which adopts powdery nano L-ascorbic acid vitamin C, does not contain water in the formula, maintains the stable solid property of the nano L-ascorbic acid vitamin C, and can be stored for a long time in dry air and at a proper temperature, but the method is not suitable for mask products.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention mainly aims to provide the vitamin C permanent-magnet whitening anti-aging film cloth, wherein the vitamin C in the film cloth can be stably stored for a long time and keeps activity; when in use, the vitamin C can be quickly absorbed through the skin, the effective utilization rate is high, and the whitening, freckle removing and anti-aging effects are good.

The invention also aims to provide a preparation method of the vitamin C permanent magnet whitening anti-aging membrane cloth.

The invention is realized by the following technical scheme:

a vitamin C permanent magnet whitening anti-aging film cloth comprises a magnetic film cloth and vitamin slurry sprayed on the magnetic film cloth; the vitamin slurry comprises the following components in percentage by weight:

3% -10% of nano microcapsule vitamin C-vitamin E emulsion;

1% -3% of nano silver ion solution;

0.5% -1% of sodium alginate;

0.2% -0.5% of xanthan gum;

the balance of water.

The vitamin C-vitamin E emulsion with the nano-microcapsule is prepared by coating vitamin C and vitamin E as capsule cores by a microcapsule coating technology to form nano-scale phospholipid globules, so that the vitamin C is isolated from the outside and is not easy to oxidize; and the formed nano liposome can effectively improve the absorption efficiency of the skin to vitamin C and vitamin E. The vitamin E and the vitamin C are used together, so that the antioxidation coordination effect can be enhanced, the absorption of the vitamin C can be promoted, the mutual assistance effect is realized, and meanwhile, the fat-soluble characteristic of the vitamin E plays a certain role in protecting the vitamin C when being used together with the vitamin C.

Preferably, the vitamin C concentration of the nano microcapsule vitamin C-vitamin E emulsion is 100-200 mg/ml, and the vitamin E concentration is 100-200 mg/ml.

The nano microcapsule vitamin C-vitamin E emulsion adopted by the invention can be obtained commercially.

The nano silver ion solution is prepared by calcining silver at high temperature to form ions and collecting the ions. By adding nano silver ions, the magnetic power of the magnetic film cloth can be assisted to push vitamin C into skin, and meanwhile, the antibacterial and bactericidal effects are achieved, and a good antiseptic effect can be achieved without adding preservatives. In addition, the research of the invention unexpectedly discovers that the nano silver ions and the vitamin C have good synergistic effect, so that the mask cloth has better whitening and freckle removing effects. Preferably, the mass concentration of the silver ions in the nano silver ion solution is 4000 ppm-6000 ppm.

The sodium alginate and the xanthan gum have good water absorption, and the sodium alginate and the xanthan gum are added to play a thickening role, so that the nano microcapsule vitamin C-vitamin E emulsion can be protected from being broken by machinery, and the vitamin slurry can be sprayed on the magnetic film cloth and dried to be attached to the magnetic film cloth; and when in use, the membrane cloth can absorb water and swell rapidly in time, so that a user has good experience.

In order to enable the product to have better use effect and use feeling, the vitamin slurry also comprises 0.2-1% of hyaluronic acid and 8-15% of glycerol in percentage by weight. The hyaluronic acid and the glycerol have a synergistic moisturizing effect, so that the membrane cloth disclosed by the invention has a good water replenishing and moisturizing effect when in use; meanwhile, the glycerol plays a certain role in protecting the vitamin slurry in the high-temperature manufacturing process of spraying and drying.

The magnetic film cloth adopted by the invention is the film cloth with the magnetic points or magnetic patterns formed by air-drying and solidifying the microcapsule neodymium iron boron magnetic slurry adhered on the single surface, has the characteristic of magnetic low-frequency induction, can generate a magnetic field which is mutually induced and matched with human skin, enables the surface of the film cloth to have a multi-polar weak magnetic field, and is combined with a human life magnetic field to generate a new biological magnetic field effect-biological pulsating magnetic field; under the action of the magnetic power of the magnetic film cloth, the absorption of the skin to vitamin C and other nutrient substances can be promoted. Preferably, the magnetic dots or patterns on the magnetic film cloth are arranged in a matrix. The microcapsule neodymium iron boron magnetic slurry is prepared by mixing and dissolving 65-75 wt% of glycerin, 15-25 wt% of environment-friendly silica gel and 5-15 wt% of neodymium iron boron microcapsules at the temperature of 20-25 ℃; the neodymium iron boron microcapsule is an oil-soluble microcapsule neodymium iron boron magnet which is prepared by adopting 20wt% of nano titanium dioxide white powder, 75wt% of urea resin and 5wt% of solubilizer as wall materials and neodymium iron boron magnetic powder as core materials through a spray drying method.

The preparation method of the magnetic film cloth adopted by the invention refers to Chinese patent CN 201710433435.9.

According to research, the vitamin slurry prepared according to the formula required by the invention is sprayed on the magnetic film cloth and dried to form a dry film, and the vitamin C and the vitamin E wrapped by the microcapsules can be attached to the dry film cloth, so that water and oxygen are isolated, the vitamin C can be stably stored for a long time and is not oxidized, and good activity is kept.

The invention also provides a preparation method of the vitamin C permanent magnet whitening anti-aging film cloth, which comprises the following steps:

(1) adding the components except the nano microcapsule vitamin C-vitamin E emulsion into water according to the proportion, and stirring and mixing until the sodium alginate and the xanthan gum are completely dissolved;

(2) adding the nano microcapsule vitamin C-vitamin E emulsion, and uniformly stirring to prepare vitamin slurry;

(3) and uniformly spraying the vitamin slurry on the magnetic film cloth, and drying at 100-120 ℃ to obtain the vitamin C permanent magnet whitening anti-aging film cloth.

The dissolution of sodium alginate and xanthan gum takes a long time and needs to be stirred at a high rotating speed. Firstly, sodium alginate and xanthan gum are added, stirred and dissolved completely, and then the nano microcapsule vitamin C-vitamin E emulsion is added, so that the nano microcapsule vitamin C-vitamin E emulsion can be protected from being broken by machinery in the subsequent stirring and mixing process.

The stirring speed of the step (1) is 900-1100 r/min, and the stirring time is 15-20 min; the stirring speed of the step (2) is 500-600 revolutions per minute, and the stirring time is 3-5 minutes.

The vitamin C permanent magnet whitening anti-aging mask cloth can be cut into masks or eye masks with any size according to requirements, and the vitamin C permanent magnet whitening anti-aging mask or eye mask is prepared. Or in the preparation process, the magnetic membrane cloth is cut into the shape of a facial mask or an eye mask with any size according to the requirement, then vitamin slurry is sprayed, and the vitamin C permanent-magnet whitening anti-aging facial mask or eye mask is prepared by drying.

The invention also provides a using method of the vitamin C permanent magnet anti-aging mask or the eye mask, which comprises the following steps: soaking the facial mask or eye mask in pure water for moistening, and applying on face; gently massaging or beating the skin for about half a minute, wherein the use time of each time is 15-20 minutes.

Or directly applying the dry facial mask or eye mask on the face, then spraying 20-25 mL of pure water to the mask cloth, wetting the mask cloth, standing for about 1 minute, and then gently massaging or beating for about half a minute, wherein the use time of each time is 15-20 minutes.

According to the vitamin C permanent magnet whitening anti-aging face/eye mask, after the face/eye mask is wetted by water absorption, the vitamin C slurry on the mask cloth is quickly dissolved in water, when the face/eye mask is used, the outer membrane of the micro lipid capsule is broken under the action of external force through light massage or beating, the vitamin C and the vitamin E are released and dissolved on the mask cloth, and the vitamin C is quickly absorbed by the skin and permeates into the deep layer of the skin to play a role through the magnetic power of the magnetic mask cloth in cooperation with the action of nano silver ions.

Compared with the prior art, the invention has the following beneficial effects:

(1) the invention realizes the long-time stable preservation of vitamin C on the membrane cloth and keeps the activity by spraying the slurry of the vitamin wrapped by the nano liposome on the magnetic membrane cloth and drying to form a dry membrane; when the facial mask is used, the vitamin C can be promoted to be quickly absorbed by the skin through the action of the magnetic power of the magnetic film cloth in cooperation with the nano silver ions, the effective utilization rate of the vitamin C is improved, and the problem that the application effect of the vitamin C in a facial/eye mask skin care product is poor in the prior art is solved.

(2) The vitamin C permanent magnet whitening anti-aging film cloth is a dry film product, is not easy to breed bacteria, has good anti-corrosion effect without adding preservatives, and has no irritation to skin; and the product can be used after being directly soaked and wetted by water, and is very simple and convenient.

(3) The vitamin C permanent magnet whitening anti-aging mask cloth has good whitening, freckle removing and anti-aging effects, can effectively reduce melanin aging integration in skin, simultaneously recovers the formation of collagen in the skin, achieves the freckle removing and freckle fading effects, simultaneously recovers the skin elasticity and reduces wrinkles.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

The raw materials used in the examples and comparative examples are now described below, but are not limited to these materials:

nano microcapsule vitamin C-vitamin E emulsion: jianmeisheng (Jamieson Laboratories), vitamin C concentration is 100mg/ml, vitamin E concentration is 100 mg/ml.

Nano silver ion solution: the mass concentration of silver ions is 5000 ppm;

sodium alginate: purchasing in market;

xanthan gum: purchasing in market;

hyaluronic acid: purchasing in market;

glycerol: is commercially available.

Example 1

The weight percentage is as follows:

1) 7.5 percent of nano microcapsule vitamin C-vitamin E emulsion;

2) 2% of nano silver ion solution;

3) 0.7 percent of sodium alginate;

4) 0.35% of xanthan gum;

5) 0.7% of hyaluronic acid;

6) 12% of glycerol;

7) the balance of water.

The preparation method comprises the following steps: (1) adding the nano silver ion solution, sodium alginate, xanthan gum, hyaluronic acid and glycerol into water according to the proportion, and stirring and mixing for 20 minutes by adopting a high-speed dispersion machine with the rotating speed of 900 revolutions per minute until the sodium alginate and the xanthan gum are completely dissolved; (2) then adding the nano microcapsule vitamin C-vitamin E emulsion, and stirring at the rotating speed of 500 revolutions per minute for 3 minutes to uniformly mix to prepare vitamin slurry; (3) and uniformly spraying the vitamin slurry on the magnetic film cloth, and drying at 110 ℃ to obtain the vitamin C permanent magnet whitening anti-aging film cloth.

Example 2

The weight percentage is as follows:

1) 5% of nano microcapsule vitamin C-vitamin E emulsion;

2) 1.5 percent of nano silver ion solution;

3) 0.5 percent of sodium alginate;

4) 0.2% of xanthan gum;

5) 0.5% of hyaluronic acid;

6) 10% of glycerol;

7) the balance of water.

The preparation method comprises the following steps: (1) adding the nano silver ion solution, sodium alginate, xanthan gum, hyaluronic acid and glycerol into water according to the proportion, and stirring and mixing for 20 minutes by adopting a high-speed dispersion machine with the rotating speed of 900 revolutions per minute until the sodium alginate and the xanthan gum are completely dissolved; (2) then adding the nano microcapsule vitamin C-vitamin E emulsion, and stirring at the rotating speed of 600 revolutions per minute for 3 minutes to uniformly mix to prepare vitamin slurry; (3) and uniformly spraying the vitamin slurry on the magnetic film cloth, and drying at 110 ℃ to obtain the vitamin C permanent magnet whitening anti-aging film cloth.

Example 3

The weight percentage is as follows:

1) 10% of nano microcapsule vitamin C-vitamin E emulsion;

2) 3% of nano silver ion solution;

3) 1% of sodium alginate;

4) 0.5% of xanthan gum;

5) 0.3% of hyaluronic acid;

6) 15% of glycerol;

7) the balance of water.

The preparation method comprises the following steps: (1) adding the nano silver ion solution, sodium alginate, xanthan gum, hyaluronic acid and glycerol into water according to the proportion, and stirring and mixing for 15 minutes by adopting a high-speed dispersion machine with the rotating speed of 1000 revolutions per minute until the sodium alginate and the xanthan gum are completely dissolved; (2) then adding the nano microcapsule vitamin C-vitamin E emulsion, and stirring at the rotating speed of 550 revolutions per minute for 3 minutes to uniformly mix to prepare vitamin slurry; (3) and uniformly spraying the vitamin slurry on the magnetic film cloth, and drying at 120 ℃ to obtain the vitamin C permanent magnet whitening anti-aging film cloth.

Example 4

The weight percentage is as follows:

1) 5% of nano microcapsule vitamin C-vitamin E emulsion;

2) 2% of nano silver ion solution;

3) 0.5 percent of sodium alginate;

4) 0.5% of xanthan gum;

5) 1% of hyaluronic acid;

6) 13% of glycerol;

7) the balance of water.

The preparation method comprises the following steps: (1) adding the nano silver ion solution, sodium alginate, xanthan gum, hyaluronic acid and glycerol into water according to the proportion, and stirring and mixing for 20 minutes by adopting a high-speed dispersion machine with the rotating speed of 900 revolutions per minute until the sodium alginate and the xanthan gum are completely dissolved; (2) then adding the nano microcapsule vitamin C-vitamin E emulsion, and stirring at the rotating speed of 500 revolutions per minute for 3 minutes to uniformly mix to prepare vitamin slurry; (3) and uniformly spraying the vitamin slurry on the magnetic film cloth, and drying at 100 ℃ to obtain the vitamin C permanent magnet whitening anti-aging film cloth.

Example 5:

the weight percentage is as follows:

1) 7.5 percent of nano microcapsule vitamin C-vitamin E emulsion;

2) 2.5 percent of nano silver ion solution;

3) 0.5 percent of sodium alginate;

4) 0.2% of xanthan gum;

5) the balance of water.

The preparation method comprises the following steps: (1) adding the nano silver ion solution, the sodium alginate and the xanthan gum into water according to the proportion, and stirring and mixing for 20 minutes by adopting a high-speed dispersion machine with the rotating speed of 900 revolutions per minute until the sodium alginate and the xanthan gum are completely dissolved; (2) then adding the nano microcapsule vitamin C-vitamin E emulsion, and stirring at the rotating speed of 500 revolutions per minute for 4 minutes to uniformly mix to prepare vitamin slurry; (3) and uniformly spraying the vitamin slurry on the magnetic film cloth, and drying at 110 ℃ to obtain the vitamin C permanent magnet whitening anti-aging film cloth.

Comparative example 1

The weight percentage is as follows:

1) 7.5 percent of nano microcapsule vitamin C-vitamin E emulsion;

2) the balance of water.

The preparation method comprises the following steps: (1) adding the nano microcapsule vitamin C-vitamin E emulsion into water, and stirring for 3 minutes at a rotating speed of 500 revolutions per minute by using a high-speed dispersion machine at a rotating speed of 900 revolutions per minute to uniformly mix to prepare vitamin slurry; (2) and uniformly spraying the vitamin slurry on magnetic membrane cloth, and drying at 110 ℃ to obtain the vitamin C membrane cloth.

Comparative example 2

The weight percentage is as follows:

1) 7.5 percent of nano microcapsule vitamin C-vitamin E emulsion;

2) 0.7 percent of sodium alginate;

3) 0.35% of xanthan gum;

4) 0.7% of hyaluronic acid;

5) 12% of glycerol;

6) the balance of water.

The preparation method comprises the following steps: (1) adding sodium alginate, xanthan gum, hyaluronic acid and glycerol into water according to a ratio, and stirring and mixing for 20 minutes by adopting a high-speed dispersion machine with the rotating speed of 900 revolutions per minute until the sodium alginate and the xanthan gum are completely dissolved; (2) then adding the nano microcapsule vitamin C-vitamin E emulsion, and stirring at the rotating speed of 500 revolutions per minute for 3 minutes to uniformly mix to prepare vitamin slurry; (3) and uniformly spraying the vitamin slurry on magnetic membrane cloth, and drying at 110 ℃ to obtain the vitamin C membrane cloth.

Comparative example 3

The weight percentage is as follows:

1) 7.5 percent of nano microcapsule vitamin C-vitamin E emulsion;

2) 2% of nano silver ion solution;

3) 0.7 percent of sodium alginate;

4) 0.35% of xanthan gum;

5) 0.7% of hyaluronic acid;

6) 12% of glycerol;

7) the balance of water.

The preparation method comprises the following steps: (1) adding the nano silver ion solution, sodium alginate, xanthan gum, hyaluronic acid and glycerol into water according to the proportion, and stirring and mixing for 20 minutes by adopting a high-speed dispersion machine with the rotating speed of 900 revolutions per minute until the sodium alginate and the xanthan gum are completely dissolved; (2) then adding the nano microcapsule vitamin C-vitamin E emulsion, and stirring at the rotating speed of 500 revolutions per minute for 3 minutes to uniformly mix to prepare vitamin slurry; (3) and uniformly spraying the vitamin slurry on a common white mask cloth, and drying at 110 ℃ to obtain the vitamin C mask cloth.

Relevant performance testing of the examples and comparative products:

1. storage stability testing of vitamin C in film cloths:

(1) the vitamin C film cloth obtained in example 1 to 5 was cut into 20cm by 20cm masks, hermetically packaged, stored at room temperature for 3 months, 6 months, and 9 months, and then subjected to vitamin C content measurement. In the experiment, 25mL of pure water is used for soaking the mask cloth for 2 minutes, and then the liquid is taken out to measure the content of the vitamin C.

The "myo-vitamin C mask" and "KOSE vitamin C mask" (derivatives of vitamin C were used in both formulations of the masks) were purchased from the market, and the vitamin C content was measured after storage for 3 months, 6 months, and 9 months under the same environmental conditions as those of the mask of example 1, from the date of manufacture. During the experiment, the pack of the facial mask is opened, the facial mask essence is taken out, and the content of the vitamin C is measured.

(2) The method for measuring the content of the vitamin C comprises the following steps: the measurement was carried out by the titration method of 2, 6-dichlorophenol indophenol.

(3) The test results are shown in Table 1.

Table 1: examples 1-5 vitamin C permanent-magnet anti-aging mask, vitamin C pack, and KOSE vitamin C pack

Table 1 is shown below:

from the test results, it can be shown that the vitamin C facial mask can obviously improve the storage stability of the vitamin C by comparing with two commercially available vitamin C facial masks.

And (3) testing the antibacterial property of the mask: adding 25ml of sterile pure water, tap water and protein solution (5% of protein powder, 8% of glycerol and the balance of sterile pure water) into a mask cloth, respectively, standing and storing for 10 days, 60 days, 90 days and 365 days under sealed conditions at room temperature, and then testing the total number of bacterial colonies of the mask solution.

The vitamin C film cloth prepared in the examples 1 to 5, the vitamin C film cloth prepared in the comparative example 2 and the blank magnetic film cloth which is not sprayed with the vitamin slurry are cut into a facial mask of 20cm by 20cm, and the test results are shown in tables 2 to 8.

Table 2: example 1 results of vitamin C mask antibacterial test

Table 3: example 2 results of vitamin C mask antibacterial test

Table 4: example 3 results of vitamin C mask antibacterial test

Table 5: example 4 results of vitamin C mask antibacterial test

Table 6: example 5 results of vitamin C mask antibacterial test

Table 7: comparative example 2 results of antibacterial property test of vitamin C mask

Table 8: test result of antibacterial property of blank magnetic film cloth

3. And (3) testing the efficacy: the vitamin C film cloths prepared in examples and comparative examples were cut according to the shape of human face to prepare a vitamin C mask, which was hermetically packaged and tested.

(1) Testing the efficacy of the mask:

a. subject: 30 persons/group, all according with the volunteer selection standard of the subject.

b. The test method comprises the following steps: the facial mask is applied to the face, then 20-25 mL of pure water is sprayed to the membrane cloth, the membrane cloth is wetted, after the facial mask is kept stand for 1 minute, the facial mask is gently massaged or flapped for about half a minute, the facial mask is kept stand and applied to the face, and the using time of each time is 15-20 minutes. The test subjects used the mask every 2 days for a test period of 1 month.

c. And (3) test effect evaluation: the 3D Perspective skin detector (3D Perspective) can perform a three-dimensional pattern analysis on each melanin-forming plate using a 3D stereo technique, and can detect the distribution of melanin and collagen in the skin. Respectively detecting the melanin distribution and the collagen distribution of the facial skin of a subject before and after the test by using a 3D perspective skin detector, and recording data; the change rate of melanin distribution and the change rate of collagen of the facial skin of the subjects were calculated, and the average change rate of each test group was counted.

The vitamin C masks prepared in examples and comparative examples were subjected to the above-described efficacy test, and the results are shown in table 9.

(2) Laser physical therapy contrast test: the honeycomb picosecond laser instrument Picosure (produced by Germany) is a novel laser speckle removing instrument, which breaks melanin in the skin in a picosecond mode in an all-around way, so that the melanin becomes small cells in picosecond units and is naturally absorbed by the skin, and meanwhile, the skin generates a collagen protective layer during the recovery period, wrinkles are reduced, and the skin is whitened and has fine and tender spots. However, laser has certain damage to skin cells while acting on skin melanin, and the skin can be restored to a healthy skin state only after 3-6 months of recovery period (during the recovery period, attention needs to be paid to preventing sun exposure, and once the temperature is over 30 ℃, the blood vessels expand and are easy to be allergic) after laser physiotherapy.

a. Subject: 30 persons all meet the volunteer enrollment standard of the subject.

b. The test method comprises the following steps: and carrying out one-time honeycomb picosecond laser physiotherapy for a testee, and carrying out skin melanin test after 1 month of recovery period.

c. And (3) test effect evaluation: respectively detecting the melanin distribution and the collagen distribution of the facial skin of a subject before and after the test by using a 3D perspective skin detector, and recording data; the change rate of melanin distribution and the change rate of collagen in the facial skin of the subjects were calculated, and the average change rate of 30 subjects was counted.

Table 9: mask efficacy test results and laser physical therapy comparative test results of examples 1 to 5 and comparative examples 1 to 3

The test results in table 9 show that the vitamin C mask disclosed by the invention can obviously reduce melanin in the skin after being used for 1 month, and meanwhile, a collagen protective layer is generated, so that the vitamin C mask has good effects of whitening, fading spots, removing wrinkles and resisting aging. By comparison, the whitening, freckle removing and anti-aging effects of the vitamin C mask can reach the effects of the existing laser physiotherapy after the vitamin C mask is used for 1 month.

Comparative example 1/2 compared with example 1, the change rate of melanin distribution and the change rate of collagen were small without adding nano silver ion solution, and the whitening, spot-removing and anti-aging effects were poor. Comparative example 3 compared with example 1, the whitening, freckle removing and anti-aging effects were poor by using the common mask cloth.