CN115300433A

CN115300433A - Eye mask essence with whitening and repairing effects and preparation method and application thereof

Info

Publication number: CN115300433A
Application number: CN202211130135.0A
Authority: CN
Inventors: 周道年; 江磊; 孙金龙; 李名家; 陈格; 谈畅; 祁金城; 夏菲; 陈雅芬
Original assignee: Hubei Mayinglong Biotechnology Co ltd
Current assignee: Hubei Mayinglong Biotechnology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-11-08
Anticipated expiration: 2042-09-16
Also published as: CN115300433B

Abstract

The invention discloses an eye mask essence with whitening and repairing effects and a preparation method and application thereof, and belongs to the technical field of skin care products. The eye mask essence comprises the following components in parts by weight: 0.1 to 2 parts of inula flower extract, 0.1 to 1 part of nicotinamide, 0.1 to 10 parts of eight-treasure essence stock solution, 0.1 to 5 parts of acetyl chitosamine, 0.1 to 3 parts of hydroxyethyl piperazine ethane sulfonic acid, 0.01 to 5 parts of purslane extract, 0.01 to 1 part of rhodiola root extract, 0.1 to 5 parts of panthenol, 0.1 to 5 parts of oat beta-glucan, 0.01 to 0.5 part of sodium hyaluronate, 0.1 to 5 parts of glycerol glucoside, 0.1 to 1 part of dipotassium glycyrrhizinate, 0.1 to 5 parts of red plum compound essence and 0.01 to 2 parts of ginseng ferment. The eye mask essence has whitening functional components and repairing functional components, and the components have synergistic effect and supplement each other, so that the prepared product has whitening and repairing functions and good high-temperature stability.

Description

Eye mask essence with whitening and repairing effects and preparation method and application thereof

Technical Field

The invention relates to the technical field of skin care products, and particularly relates to an eye mask essence with whitening and repairing effects, and a preparation method and application thereof.

Background

The skin around the eyes is the weakest part of the human skin, and the thickness of the epidermis and the dermis is far less than that of the facial skin, so the skin is easily damaged by the outside. The most common problems of the eye skin are black eye circles and the damage of the eye skin, wherein the black eye circles are mostly caused by insufficient sleep or excessive fatigue, ultraviolet injury, skin aging and the like cause the eye skin to lose elasticity gradually, and the eye pits are deeply sunk to cause the black eye circles, or because the cosmetics are not properly used, inflammation of the skin around the eyes can be caused, and pigmentation after the inflammation is caused. In addition, with the increase of age and living pressure, the aging of the skin around the eyes can be accelerated due to the exposure to sunlight, artificial light irradiation, air pollution, dust, particles and other factors in computers and environments for a long time, so that skin damage can be caused, the skin barrier around the eyes can be damaged, the moisture loss of the skin around the eyes can be caused, the skin around the eyes can be easily deeply injured due to external stimulation, and skin sensitive symptoms such as pruritus, stabbing pain, burning, tightness and the like can be easily caused.

In order to solve the above problems, eye whitening products or eye repairing products are generally used for improvement, but most whitening and repairing products in the market at present have the same components and single function. For example, patent application publication No. CN 111000765A discloses a whitening composition containing ginseng ferment and application thereof, which comprises the following components in parts by mass: 5-15% of alpha-arbutin, 50-90% of nicotinamide and 5-15% of ginseng ferment, the inhibition effect on melanin is obvious by reasonably matching the alpha-arbutin, the nicotinamide and the ginseng ferment, and the whitening composition is added with moisturizing water, essence and moisturizing cream to have the effects of whitening and brightening the skin. However, no mention is made in the patent application as to the efficacy of the composition in terms of skin repair.

Aiming at the problem of single function of the product, the problem can be generally solved by adding other functional components, but the addition of other functional components easily causes the problems of rough properties and poor stability of the prepared product, and is not beneficial to transdermal absorption, thereby influencing the original efficacy of the product and causing poor overall use experience of patients.

Therefore, it is an urgent problem to develop an eye product having good whitening and repairing effects and good stability.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an eye mask essence with whitening and repairing effects. The essence has whitening and repairing components, and various components have synergistic effect, so that the prepared product has whitening and repairing effects and good high-temperature stability.

The second purpose of the invention is to provide a preparation method of the eye mask essence, which is simple and efficient and is suitable for industrial production and application.

The third purpose of the invention is to provide an eye mask prepared by combining the eye mask essence and the eye mask base cloth, and the eye mask has obvious whitening, brightening and repairing effects.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, the invention provides an eye mask essence with whitening and repairing effects, which comprises the following preparation raw materials in parts by weight:

in the above technical scheme, the Inula JAPONICA (Inula JAPONICA) extract contains moisture-keeping components, and can keep skin moisture for a long time. The inula flower has a good inhibition effect on the proliferation of melanocytes, and the formation of melanin is reduced from the source of the melanin by inhibiting the activity of tyrosinase; the whitening skin-care product can be added into eye mask essence to simultaneously interact with collagen and elastin, so that the whitening functional substances are protected from being hydrolyzed by enzyme, the pigmentation of melanin is effectively prevented, and the effects of whitening, moisturizing and enhancing the skin activity are achieved.

Nicotinamide is a commonly used whitening component, belongs to vitamin derivatives, and has the effects of blocking melanin transmission and accelerating new generation, thereby reducing melanin deposition in the horny layer and avoiding skin blackening.

The eight-treasure essence stoste comprises a ligusticum wallichii root extract, a poria cocos sclerotium extract, a bighead atractylodes rhizome root extract, a bletilla striata root extract, an ampelopsis japonica root extract, artificial bezoar, a pearl extract and borneol, wherein the bezoar has a certain antioxidation function, the borneol has the effects of preventing corrosion and promoting granulation, the pearl has the effects of improving eyesight, soothing nerves, calming wind, promoting granulation and healing sore, and the five medicines of the ampelopsis japonica, the bletilla striata, the bighead atractylodes rhizome, the poria cocos and the ligusticum wallichii are matched to play a better role in antioxidation, activating blood circulation and dissolving stasis, so that cell injury can be effectively prevented and a skin barrier can be effectively repaired.

Specifically, the eight-treasure refined stock solution comprises the following components: 0.8wt% of a CHUANXIONG rhizome (Ligusticum CHUANXIONG) root extract, 0.5wt% of a PORIA COCOS (PORIA COCOS) sclerotium extract, 0.5wt% of a white ATRACTYLODES rhizome (Atractylodes MACROCEPHALA) root extract, 0.3wt% of a BLETILLA STRIATA (BLETILLA STRATA) root extract, 0.3wt% of an AMPELOPSIS JAPONICA (Ampelopsis JAPONICA) root extract, 0.05wt% of calculus bovis factitius, 1wt% of a pearl extract, 0.05wt% of borneol, 1wt% of 1, 2-hexanediol, 5wt% of butanediol, 0.5wt% of phenoxyethanol, 0.1wt% of ethylhexylglycerin, and 89.9wt% of water. The eight-treasure essence stock solution is prepared by uniformly mixing the raw materials and then filtering and sterilizing.

The acetyl chitosamine is a saccharide with amino, is a product obtained by partially deacetylating chitin, can inhibit the activity of the neuraminidase by inhibiting the glycosylation of the neuraminidase, thereby reducing the generation of melanin, can also generate glucosamine by deacetylation, and can inhibit in vitro melanocytes from generating melanin, thereby reducing the generation of melanin and having better whitening effect.

The hydroxyethyl piperazine ethanesulfonic acid belongs to a weak acid system, can reform a cuticle, promote old corneocytes of a skin epidermal layer to peel off, brighten the skin color, achieve the whitening effect, promote the absorption of other whitening effect components, and achieve the effect of synergistic whitening with other active components.

The purslane (Portulaca OLERACEA) extract is rich in polysaccharides and flavonoids compounds with broad-spectrum antibacterial activity, has good inhibition effect on common bacteria and fungi, can reduce the dosage of antibacterial agents and preservatives when added into cosmetics, has strong scavenging effect on various free radicals of a human body, has good antioxidation effect, and is rich in a large amount of whitening components such as vitamin E, vitamin C and the like which can inhibit the activity of tyrosinase so as to prevent the generation of melanin, thereby having good whitening effect.

The RHODIOLA ROSEA (RHODIOLA ROSEA) root extract mainly comprises salidroside and flavonoid compounds as effective components, wherein the salidroside belongs to the phenolic glycoside compounds and can reduce the damage of ultraviolet radiation to cell membranes, and the flavonoid compounds have better effect of scavenging free radicals, so that the RHODIOLA ROSEA root extract has better antioxidant activity, can effectively improve darkness, brighten skin color, maintain skin stability and has good whitening and repairing effects.

Panthenol, also known as provitamin B5, is a precursor of vitamin B5 pantothenic acid, has stable properties, good permeability and is easy to penetrate the skin barrier, and numerous studies have shown that panthenol is useful for skin self-repair, in particular for stimulating skin cell production, which is useful for wound healing.

The oat beta-glucan exists in the cell wall of oat bran, is a polysaccharide consisting of a saccharide monomer connected by cellotriose and cellotetraose, can promote macrophage to release interleukin-1 to accelerate the synthesis of collagen, promote the synthesis of collagen, resist aging, reduce skin wrinkles, improve skin elasticity and improve skin texture, and in a word, the oat beta-glucan has good transdermal absorption performance, and can better promote wound healing and repair damaged skin.

Sodium hyaluronate is a good humectant, and has the effects of promoting proliferation and differentiation of epidermal cells and scavenging oxygen free radicals, accelerating regeneration of epidermal cells, promoting repair of damaged skin, and making skin tender, smooth and elastic.

The glycerol glucoside is a glucoside compound formed by connecting glucosyl and glycerol through glucoside bonds, can penetrate into a corium layer, has long-acting moisturizing, repairing and relieving effects, can keep cell moisture by a polyhydroxy structure, can comprehensively supplement water for cells by promoting synthesis of aquaporins on a cell layer surface, and has a good moisturizing effect; the glycerol glucoside can also promote the expression of type I collagen, further enhance the skin elasticity and collagen and promote the skin barrier repair, and the glycerol glucoside can also obviously reduce the release amount of inflammatory factors such as IL-1 beta, IL-1 alpha and the like, obviously improve the cell healing rate and have better repairing efficacy.

Dipotassium glycyrrhizinate is a skin conditioner, is mainly a glycyrrhizin (glycyrrhizic acid) component at the root and the stem of liquorice, can effectively prevent sensitive inflammation phenomenon when skin is stimulated, has the effects of diminishing inflammation and calming on inflammation caused by sunshine, and has better antiallergic and repairing effects.

The kernel component of the pine red plum kernel refined is pine red plum, which belongs to the genus of thinningwood of Myrtaceae and is called as Australian tea tree with broom leaf, and the pine red plum is bright in color and rich in essential oil mainly containing sesquiterpene, sesquiterpene alcohol and sesquiterpene ketone components, and is mainly wild. Modern pharmacological tests show that the compound extract of the red plum can inhibit TRPV1 and NO generation and histamine signal passage through the synergistic effect of the red plum, the tetrandra root, the lotus flower and other components, has an obvious repair function on inflammatory reaction caused by UV, can reduce red swelling caused by UV and chronic inflammation, reduces cell damage caused by stimulation, and has a better anti-inflammatory repair effect.

The ginseng ferment is prepared by taking ginseng as a raw material and implanting beneficial bacteria for fermentation, and consists of butanediol, lactobacillus/ginseng root fermentation product filtrate and hydrolyzed ginseng saponin, wherein the contained ginsenoside can destroy the process of transferring melanosomes from a basal layer to upper layer keratinocytes, inhibit the transfer of the melanosomes to the keratinocytes and has good whitening effect; the ginseng ferment can also promote the proliferation and migration of normal fibroblasts, is beneficial to wound healing and skin renewal, can inhibit the proliferation of scar fibroblasts, reduce the scar generation in the healing process of the wound skin, reduce the skin atrophy caused by ultraviolet rays, relieve the photoaging and have good repairing effect.

It is understood that the eye mask essence may further include various components generally used for eye care, in addition to the above functional components, as necessary.

As further optimization of the technical scheme of the invention, the preparation raw materials also comprise one or more of polyalcohol, thickening agent, preservative and deionized water.

As a further preference of the technical solution of the present invention, the amount of the polyhydric alcohol is 1 to 20 parts by weight; the amount of the thickening agent is 0.1-1 part; the dosage of the preservative is 0.1-2 parts; the dosage of the deionized water is 10 to 90 parts.

As a further preferred embodiment of the present invention, the polyhydric alcohol is one or more selected from glycerol, propylene glycol, butylene glycol, sorbitol, dipropylene glycol, 1, 3-propanediol, pentanediol, and hexanediol.

As a further preferred embodiment of the present invention, the thickener is one or more selected from the group consisting of carboxymethyl cellulose, hydroxyethyl cellulose, and methyl cellulose.

As a further preferable technical solution of the present invention, the preservative is selected from one or more of phenoxyethanol, ethylhexyl glycerol, chlorphenesin, methylparaben, p-hydroxyacetophenone, and 1, 2-hexanediol.

In a second aspect, the invention provides a preparation method of the eye mask essence, which comprises the following steps:

(1) Mixing deionized water, polyalcohol, thickener, sodium hyaluronate and dipotassium glycyrrhizinate, stirring, heating, homogenizing, dispersing to obtain mixture 1, and cooling;

(2) Mixing the inula flower extract, nicotinamide, acetyl chitosamine, hydroxyethyl piperazine ethanesulfonic acid, the purslane extract and the rhodiola root extract, adding the mixture into the mixture 1 cooled in the step (1), and uniformly stirring to obtain a mixture 2;

(3) Mixing the eight-treasure essence stock solution, the pine and red plum composite essence, panthenol, glycerol glucoside, oat beta-glucan and ginseng ferment, adding the mixture into the mixture 2 obtained in the step (2), and stirring and mixing the mixture uniformly to obtain a mixture 3;

(4) And (4) adding the preservative into the mixture 3 obtained in the step (3), uniformly stirring, and cooling to the normal temperature to obtain the eye mask essence.

As a further optimization of the technical scheme of the invention, in the step (1), the temperature is firstly increased to 75-80 ℃, and then is reduced to 40-45 ℃.

In a third aspect, the invention also provides an eye mask prepared by combining the eye mask essence and the eye mask base cloth. It is understood that the eye mask is only one form of application of the essence, and can be prepared into products such as eye cream, eye gel and the like.

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

1. according to the invention, from two aspects of whitening and repairing, nicotinamide, acetyl chitosamine, hydroxyethyl piperazine ethane sulfonic acid, purslane extract, rhodiola root extract and eight-treasure essence stock solution are selected as whitening functional components, so that the prepared product has good whitening effect; meanwhile, the repairing components such as panthenol, oat beta-glucan, sodium hyaluronate, glycerol glucoside, dipotassium glycyrrhizinate, pine hawthorns, kernels and the like are added, so that the repairing effect of the product is greatly improved. The various functional components are not simply superposed and combined, but scientifically and strictly prepared on the types and the dosage, and the various components have synergistic effects and supplement each other, so that the prepared product has the whitening and repairing effects at the same time.

2. The nicotinamide is a well-known whitening component, and the whitening effect is good; however, even pure niacinamide will contain niacin components and, at high levels, will present intolerance problems. The invention selects various whitening functional components, greatly reduces the dosage of nicotinamide on the premise of ensuring the whitening and repairing effects, and avoids the potential problem of intolerance of the product.

3. Panthenol, oat beta-glucan, sodium hyaluronate, glycerol glucoside, dipotassium glycyrrhizinate, pine red plum kernel and ginseng ferment active ingredients are preferred in the invention, and the obtained product has good high-temperature stability because: the substances in the invention are all water-soluble, which is helpful for the penetration of the substances in the skin, and the amino group in the acetyl chitosamine, the amido bond in the nicotinamide, the hydroxyl group in the panthenol, the glucoside bond in the glycerol glucoside and the oat beta-glucan and other groups can be combined with water molecules and mutually through hydrogen bonds and Van der Waals force, thereby ensuring the stability of the system.

4. The applicant finds that when the pine and red plum kernel is refined and matched with ginseng enzyme for mutual use, the effects of moisturizing, whitening and repairing can be better achieved, and possible reasons are as follows: active ingredients in the pine and red plum kernel refining and active ingredients in the ginseng ferment are macromolecular compounds, and the two active ingredients can structurally form cavity structures with different sizes and realize water locking to directly reach different skin parts; meanwhile, by being matched with other substances for synergistic use, the functional components with different permeability can correspondingly permeate into different skin layers such as horny layers, transparent layers and the like, so that the integral whitening and water retention of each skin layer are realized.

5. The preparation method provided by the invention is simple and convenient to operate, has strong universality and is suitable for large-scale production.

In a word, various whitening and repairing functional components are selected and scientifically prepared, so that the prepared product has whitening and repairing functions at the same time, and the problems of identical components and single function of most whitening and repairing products in the market are solved; and the product has good high-temperature stability and good market application prospect.

Drawings

FIG. 1 is an appearance diagram of a product stability test prepared in comparative example 1, wherein (a) is a product subjected to stability test under a normal temperature of 25 ℃, (b) is a product subjected to stability test under a high and low temperature cycle condition, and (c) is a product subjected to stability test under a high temperature of 45 ℃.

Fig. 2 is a photograph of apparent chromaticity in the whitening efficacy test, which is sequentially a blank control group, a positive control group, a sample group of comparative example 1, and a sample group of example 1 from top to bottom.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention.

Specifically, part of the material information in the present invention is as follows:

the eight-treasure essence stock solution used in the invention is self-produced by Mayinglong health Limited company;

the pine and red plum compound extract and the ginseng enzyme used in the invention are purchased from Guangzhou Galen biotechnology limited company;

the phenoxyethanol/ethylhexyl glycerol used in the present invention is sold under the trade name euxyl PE 9010.

Example 1

An eye mask essence with whitening and repairing effects is prepared from the following raw materials in parts by weight:

table 1 composition of raw materials in example 1

The embodiment also provides a preparation method of the eye mask essence, which comprises the following steps:

(1) Mixing deionized water, butanediol, glycerol, hydroxyethyl cellulose, sodium hyaluronate and dipotassium glycyrrhizinate in the component A, stirring and heating to 75 ℃, homogenizing and uniformly dispersing to obtain a mixture 1, and then cooling to 40 ℃ for later use;

(2) Mixing the inula flower extract, the nicotinamide, the acetyl chitosamine, the hydroxyethyl piperazine ethane sulfonic acid, the purslane extract and the rhodiola root extract in the component B, adding the mixture into the mixture 1 cooled in the step (1), and stirring and uniformly mixing to obtain a mixture 2;

(3) Mixing the eight-treasure essence stock solution, the pine and red plum composite essence, the panthenol, the glycerol glucoside, the oat beta-glucan and the ginseng ferment in the component C, adding the mixture into the mixture 2 obtained in the step (2), and stirring and mixing the mixture uniformly to obtain a mixture 3;

(4) Adding phenoxyethanol/ethylhexyl glycerin and 1, 2-hexanediol in the component D into the mixture 3 obtained in the step (3), uniformly stirring, and cooling to normal temperature to obtain the eye mask essence.

And (3) filling the eye mask essence prepared in the example 1 into an eye mask bag filled with eye mask base cloth in advance to obtain an eye mask product.

Example 2

table 2 composition of raw materials in example 2

(3) Mixing the eight-treasure essence stock solution, the pine red plum composite essence, the panthenol, the glycerol glucoside, the oat beta-glucan and the ginseng ferment in the component C, adding the mixture into the mixture 2 obtained in the step (2), and stirring and mixing the mixture uniformly to obtain a mixture 3;

(4) And (4) adding phenoxyethanol/ethylhexyl glycerin and 1, 2-hexanediol in the component D into the mixture 3 obtained in the step (3), uniformly stirring, and then cooling to the normal temperature to obtain the eye mask essence.

And (3) filling the eye mask essence prepared in the example 2 into an eye mask bag filled with eye mask base cloth in advance to obtain an eye mask product.

Example 3

table 3 composition of raw materials in example 3

(2) Mixing the inula flower extract, the nicotinamide, the acetyl chitosamine, the hydroxyethyl piperazine ethane sulfonic acid, the purslane extract and the rhodiola root extract in the component B, adding the mixture into the mixture 1 cooled in the step (1), and uniformly stirring to obtain a mixture 2;

And (3) filling the eye mask essence prepared in the example 3 into an eye mask bag filled with eye mask base cloth in advance to obtain an eye mask product.

Comparative example 1

The same procedures as in example 1 were repeated except that ginseng ferment and red pine plum were not added to the component C, and the mixture was refined.

Test example 1: stability test

Stability examination is carried out on the eye mask essence prepared in the example 1 and the comparative example 1 respectively, and the specific test method and the results are as follows:

the test method comprises the following steps: the eye mask essences prepared in example 1 and comparative example 1 were filled in a transparent plastic bottle, 5 parallel samples were examined at-7 ℃ at-4 ℃ under a cycle of-7 ℃/45 ℃/24h at 45 ℃ at 25 ℃ for 30 days at room temperature.

And (3) stability judgment standard: the internal quality control standard is adopted, and after all samples are recovered to room temperature, the samples are compared with the samples at 4 ℃, and the samples are not obviously discolored and odorized in normal-temperature storage and high-low temperature circulation, and are considered to be stable without layering phenomena such as precipitate precipitation and the like.

The stability test results are: see table 4.

Table 4 stability test results of eye mask essences prepared in example 1 and comparative example 1

The test result shows that: the product prepared in the embodiment 1 of the invention has no obvious color change or odor change under the conditions of normal-temperature storage and high-low temperature circulation, no abnormity in stability investigation and good product stability; after the product prepared in the comparative example 1 is subjected to high-low temperature circulation and high-temperature environment, the product is obviously discolored, the liquid color is deepened, and a specific product appearance diagram is shown in fig. 1, so that the product prepared in the comparative example 1 is poor in stability.

Test example 2: test for whitening efficacy

And (3) carrying out a whitening efficacy test of the sample according to a TSHRH 021-2019 cosmetic whitening efficacy test in-vitro recombinant 3D melanin model test method. The test was performed with a 3D melanoderm model

The whitening efficacy of the sample to be tested is evaluated by using the indexes of three dimensions of model apparent chromaticity, apparent brightness (L-value) and melanin content after administration.

(1) Model drug delivery

From the Day of model acceptance (Day 1), the positive control group (kojic acid, 42.67. Mu.g/mL), the comparative example 1 sample group, and the example 1 sample group were administered twice in Day1 and Day3, respectively, in a topical administration manner and in an administration volume of 10. Mu.L. And after the model is continuously cultured for 5 days, collecting samples to be tested.

(2) Detection index and method

(1) Apparent chroma: after the model culture was completed, the appearance photograph was taken with a camera.

(2) L value test: and detecting the L value of the model after the detection of the apparent chromaticity is finished. Mean and standard deviation were calculated from the L values of each set of three replicate models and the results were expressed as Mean ± SD.

(3) And (3) testing the melanin content: and performing melanin content detection on the model after the L value detection is finished, calculating the average value and the standard deviation of the melanin content of each group of three repeated models, and expressing the result by Mean +/-SD.

(3) The result of the detection

After the model administration is finished, the apparent chromaticity is detected, and an apparent picture is shown in fig. 2: compared with a blank control group, the apparent chroma of the positive control group model obviously becomes white, which indicates that the test condition is effective. The apparent color of the skin model after treatment of the example 1 sample group was whitened compared to the blank control group.

The L value of the model after the detection of the apparent chromaticity was measured, and the t-test statistical analysis was performed for the comparison between the groups, and the results are shown in table 5. Compared with the blank control group, the apparent brightness (L value) of the positive control group is greatly increased (P < 0.01), which shows that the test condition is effective, and the apparent brightness (L value) of the comparative example 1 sample group and the example 1 sample group is greatly increased (P < 0.01). Compared with the positive control group and the comparative example 1, the apparent brightness (L value) of the example 1 sample group is also remarkably increased (P < 0.01), so that the product prepared by the example of the invention has remarkable whitening effect.

TABLE 5 summary of model Lx value test results (Mean + -SD, n = 3)

( Note: significance is indicated by p-value <0.05 and p-value <0.01 )

The melanin content of the model after the L value detection is finished is detected, and the comparison among the groups is performed by adopting t-test statistical analysis, and the result is shown in table 6. Compared with a blank control group, the melanin content of the positive control group is extremely remarkably reduced (P < 0.01), which shows that the test condition is effective, and the melanin content of the comparative example 1 sample group and the example 1 sample group is also extremely remarkably reduced (P < 0.01). Compared with the positive control group, the melanin content of the sample group in example 1 is significantly reduced (P < 0.05), and thus it can be seen that the product prepared by the embodiment of the invention has significant whitening efficacy.

TABLE 6 summary of melanin content measurements (Mean ± SD, n = 3)

( Note: significance is indicated by p-value <0.05 and p-value <0.01 )

Test example 3: test for efficacy of repair

The repair efficacy of the eye patches prepared in example 1 and comparative example 1 was evaluated by a test of skin moisture loss (TEWL), and the following instruments, test methods and test results were used:

an instrument device: skin surface Water shunt loss meter Tewameter TM 300 (Courage & Khazaka, germany).

The detection method comprises the following steps: randomly selecting 20 subjects with age of 18-60 years, dry eye skin and fragile rough skin barrier, dividing into 2 groups of 10 subjects, respectively applying the samples to be tested of example 1 and comparative example 1 to the eye skin of each group of subjects for 10-15min, and respectively using the samples for 1 time in the morning and evening. The whole test period can not be used for long-time sun exposure, outdoor exercises, traveling and the like, cosmetics or medicines with similar product efficacy can not be used in the whole test period, and the subjects can not change the daily care habits in the test period.

The statistical method comprises the following steps: the results were averaged 3 times per subject and expressed as Mean ± SD, where lower TEWL values were obtained indicating less transepidermal water loss.

And (3) testing results: see table 7.

TABLE 7 transdermal water loss results before and after product application to the skin of subjects (Mean + -SD, n = 10)

(compare with before using product, P <0.05, P < 0.01)

As can be seen from Table 7, after the product of the example is used for 14 days, the transdermal water loss around the eyes is remarkably reduced (p is less than 0.01), and after the product is used for 28 days, the transdermal water loss is further reduced, so that the product has good repairing effect and quick response; after the comparative product is used for 14 days, the amount of the skin water loss around the eyes has no significant difference, so that the repairing effect of the product of the embodiment on dry, rough and fragile skin of the eyes is far better than that of the comparative product.

The applicant states that the present invention is described in the eye mask essence having whitening and repairing effects and the preparation method thereof by the above examples, but the present invention is not limited to the above examples, that is, it is not meant to be necessarily dependent on the above examples to practice the present invention. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitution of individual materials for the product of the present invention and addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.

Claims

1. The eye mask essence with the whitening and repairing effects is characterized by comprising the following preparation raw materials in parts by weight:

2. the eye mask essence according to claim 1, wherein the raw materials further comprise one or more of polyhydric alcohol, thickener, preservative and deionized water.

3. The eye mask essence according to claim 2, wherein the polyol is used in an amount of 1 to 20 parts by weight; the amount of the thickening agent is 0.1-1 part; the dosage of the preservative is 0.1-2 parts; the dosage of the deionized water is 10-90 parts.

4. The eye mask essence according to claim 3, wherein the polyhydric alcohol is one or more selected from the group consisting of glycerin, propylene glycol, butylene glycol, sorbitol, dipropylene glycol, 1, 3-propanediol, pentanediol, and hexanediol.

5. The eye mask serum according to claim 3, wherein the thickener is one or more selected from the group consisting of carboxymethyl cellulose, hydroxyethyl cellulose and methyl cellulose.

6. The eye mask essence according to claim 3, wherein the preservative is one or more selected from phenoxyethanol, ethylhexyl glycerol, chlorphenesin, methylparaben, p-hydroxyacetophenone, and 1, 2-hexanediol.

7. The method for preparing the eye mask essence according to any one of claims 1 to 6, which is characterized by comprising the following steps of:

8. The method according to claim 7, wherein the temperature in step (1) is raised to 75-80 ℃ and then lowered to 40-45 ℃.

9. An eye mask, which is prepared by combining the eye mask essence according to any one of claims 1 to 6 and an eye mask base cloth.

10. Use of the eye mask essence of any one of claims 1 to 6 in the preparation of an eye care product.