CN111631995B

CN111631995B - Multiplex eye cream and preparation method thereof

Info

Publication number: CN111631995B
Application number: CN202010527608.5A
Authority: CN
Inventors: 杨菊; 曹波; 杜万锋; 苏秀妹
Original assignee: Guangdong Bailichen Biotechnology Co ltd
Current assignee: Guangdong Bailichen Biotechnology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-06-04
Anticipated expiration: 2040-06-10
Also published as: CN111631995A

Abstract

The invention discloses a multiplex eye cream and a preparation method thereof. The multiple eye cream comprises the following components in parts by weight: 4-7.5 parts of phase A, 15-24 parts of phase B, 10-22 parts of phase C and 45-78 parts of phase D, wherein the eye cream is W/O/W type multiple emulsion, the phase A is an oil phase, the phase B is an inner water phase, the phase C is a filling phase, and the phase D is an outer water phase. According to the invention, by optimizing the components and contents of the oil phase, the internal water phase, the filling phase and the external water phase, the prepared eye cream has fresh and moist skin feel, is not sticky when being applied, has good permeability, can effectively nourish and moisten eye skin for a long time, and has good stability and no layered oil-water separation phenomenon.

Description

Multiplex eye cream and preparation method thereof

Technical Field

The invention relates to the technical field of cosmetics, and particularly relates to a multiple eye cream and a preparation method thereof.

Background

Firstly, the eye skin is the thinnest skin of the human body, the thickness is only about 0.5mm, and is about one fourth of the skin thickness of the face or other parts, so the eye skin is easily damaged by the outside. Secondly, the eyes need to exercise for 2 ten thousand times every day, and frequent exercise causes the eye skin to be repeatedly stretched and relaxed by muscles, so that the eyes are easy to fatigue and age, and the eye skin is easy to loose and lose elasticity. Third, people facing electronic products for a long time in life or work are easy to increase the blinking frequency, and further aggravate eye skin fatigue. In addition, due to the influence of modern environmental pollution, eye skin is affected and irritated for a long time, accelerating skin roughness and aging. Therefore, the accumulation of the above factors finally causes the eye skin to be rough, wrinkles to increase and aging to be accelerated, so that the eye skin care is particularly important.

Eye cream products on the market are full of line, however, the eye creams are sticky in texture, oily in feeling and not refreshing in skin feeling; the other type of eye cream has refreshing skin feel, but has poor moisturizing effect, and the efficacy permeability and the durability of the eye creams are poor, so that the eye cream which has refreshing skin feel, good efficacy permeability and multiple efficacies of enabling eye skin to be nourished and moisturized durably and effectively is urgently needed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the multiple eye cream and the preparation method thereof, the eye cream is a W/O/W multiple emulsification system, has fresh skin feel and good permeability and skin moistening effects, and can permanently and effectively nourish and moisten eye skin.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a multiple eye cream comprises the following components in parts by weight: 4-7.5 parts of phase A, 15-24 parts of phase B, 10-22 parts of phase C and 45-78 parts of phase D, wherein the eye cream is W/O/W type multiple emulsion, the phase A is an oil phase, the phase B is an inner water phase, the phase C is a filling phase, and the phase D is an outer water phase;

the phase A comprises the following components in parts by weight: 2.5-5 parts of grease and 1.5-2.5 parts of emulsifier;

the phase B and the phase D both comprise water, a water-soluble humectant and a water-soluble functional ingredient, the total weight of the water in the phase B and the phase D is 44.5-55 parts, the total weight of the water-soluble humectant in the phase B and the phase D is 14.9-23.1 parts, the total weight of the water-soluble functional ingredient in the phase B and the phase D is 9.7-15 parts, the addition amount of the water in the phase B accounts for 20.5-37.1% of the total weight of the water in the phase B and the phase D, the addition amount of the water-soluble humectant in the phase B accounts for 19.9-26.8% of the total weight of the water-soluble humectant in the phase B and the phase D, and the addition amount of the water-soluble functional ingredient in the phase B accounts for 7.5-20.;

the water-soluble effective components in the B phase and the D phase comprise at least one of extract, fermentation product, water-soluble vitamin, water-soluble polypeptide and soluble collagen;

the phase C comprises the following components in parts by weight: 5-10 parts of grease, 5-10 parts of emulsion stabilizer and 0.2-0.5 part of fat-soluble component.

The eye cream has a W/O/W multiple emulsion structure, wherein the phase A and the phase C belong to an intermediate phase O phase, the phase C is a filling phase, the stability of W/O of a first emulsification system can be ensured, fat-soluble ingredients are added into the phase C, the moistening feeling of the eye cream is increased, the phase B is an inner water phase, and the phase D is an outer water phase. According to the invention, by optimizing the proportion of the oil phase, the internal water phase, the filling phase and the external water phase, the eye cream has the advantages of a single-phase emulsification system and the light and moist skin feeling of an oil-in-water system, has good effect permeability, can be used for effectively and durably nourishing and moistening eye skin, and has good stability and no layered oil-water separation phenomenon.

Preferably, the water-soluble functional component is at least one of grapefruit fruit extract, brewer's yeast extract, soluble collagen, lactobacillus/soybean milk fermentation product, water-soluble vitamin C, witch hazel extract, tripeptide-1, sturgeon caviar extract, rhodiola root extract, pentapeptide-3, field horsetail extract and glycyrrhiza glabra root extract, and the water-soluble functional component provides lasting and effective nutrition and moisture for eye skin.

Preferably, the grease in the a phase comprises at least one of ethylhexyl palmitate, jojoba oil, tocopherol, polydimethylsiloxane, cyclopentadimethylsiloxane, cyclohexasiloxane, isononyl isononanoate, cyclopentasiloxane, cyclohexane, isododecane.

Preferably, the emulsifier comprises at least one of polyglyceryl-4 isostearate, methylglucose sesquiisostearate, PEG-30 dipolyhydroxystearate, sodium acrylate/sodium acryloyldimethyl taurate copolymer, polysorbate-80, sorbitan isostearate, decaglycerol decaoleate, PEG-9 dimethiconoethyl dimethicone, lauryl PEG-9 dimethiconoethyl dimethicone.

Preferably, the water-soluble humectant in the phase B and the phase D comprises at least one of urea, trehalose, polyquaternium-51, sodium hyaluronate, betaine, glycerol, butanediol, propylene glycol, hexanediol, pentanediol, polyglutamic acid, oligopeptide-1 and algal oligosaccharides.

Preferably, the grease in the C phase comprises at least one of dimethicone, caprylic/capric triglyceride, jojoba esters, glyceryl linoleate, polydimethylsiloxane, cyclopentadecylpolydimethylsiloxane, and cyclohexasiloxane.

Preferably, the emulsion stabilizer comprises at least one of polydimethylsiloxane crosspolymer, C12-14 alkanol polyether-7, sodium acrylate/sodium acryloyldimethyl taurate copolymer, and polydimethylsiloxane/vinyl polydimethylsiloxane crosspolymer.

Preferably, the fat-soluble ingredient comprises at least one of fat-soluble vitamins, phytosterols, oil-soluble terpene alcohols, coenzyme Q10.

Preferably, the phase D also comprises the following components in parts by weight: 0.2-2 parts of preservative.

Preferably, the preservative comprises at least one of p-hydroxyacetophenone, ethylhexyl glycerol, phenoxyethanol, caprylhydroxamic acid.

The invention also provides a preparation method of the multiple eye cream, which comprises the following steps:

1) adding the grease and the emulsifier of the phase A into an emulsifying pot, stirring and dispersing uniformly at the stirring speed of 500 plus materials and 1000r/min, heating to 50-60 ℃, homogenizing at the rotating speed of 3000 plus materials and 4500r/min for 3-5min, and stopping homogenizing to obtain an oil phase for later use;

2) adding the water of the phase B and the water-soluble humectant into a water kettle, heating to 80-85 deg.C, stirring, cooling to 40-50 deg.C, adding the water-soluble effective components of the phase B, and stirring to obtain an internal water phase.

3) Pumping the internal water phase obtained in the step 2) into the oil phase obtained in the step 1), adjusting the stirring speed of the emulsifying pot to 8000-10000r/min, increasing the stirring speed of the emulsifying pot to 2000-4000r/min after the internal water phase is completely pumped into the oil phase, and homogenizing for 10-15min to obtain a first material body;

4) adding the C-phase grease, an emulsion stabilizer and fat-soluble components into an emulsion pot, and uniformly stirring to obtain a W/O phase material body;

5) adding the water and the water-soluble humectant of the phase D into a main emulsifying pot, heating to 80-85 ℃, stirring until the water and the water-soluble humectant are completely dissolved, then cooling to 60-65 ℃, adding the water-soluble functional component of the phase D, stirring uniformly and completely, pumping the W/O phase material obtained in the step 4) into the main emulsifying pot, stirring rapidly at the stirring speed of 3000-4000r/min, and stirring until the water and the water-soluble humectant are completely dispersed to obtain the multiple eye cream.

According to the invention, the eye cream with a W/O/W multiple emulsion structure is obtained through the preparation steps and the process parameters, and the eye cream has better stability.

Further, when the multiple eye cream is added with the preservative, the specific preparation method comprises the following steps:

5) adding the water and the water-soluble humectant of the phase D into a main emulsifying pot, heating to 80-85 ℃, stirring until the water and the water-soluble humectant are completely dissolved, then cooling to 60-65 ℃, adding the preservative, then adding the water-soluble functional component of the phase D, stirring uniformly and completely dispersing, pumping the W/O phase material obtained in the step 4) into the main emulsifying pot, stirring rapidly at the stirring speed of 3000-4000r/min, and stirring until the W/O phase material is completely dispersed to obtain the multiple eye cream.

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

1. the multiple eye cream disclosed by the invention can bring water-soluble functional components to the deep layer of the skin by utilizing the encapsulation property of emulsification and penetration, so that the activity of the water-soluble functional components is protected; meanwhile, the eye cream has high hydration, can nourish the skin cuticle, effectively increase the permeability of water-soluble components, and promote the water-soluble components to enter the bottom layer of the skin, so that the skin is durably and effectively nourished and moistened;

2. the multiple eye cream adopts a multiple emulsification W/O/W emulsification system, so that the multiple eye cream has the light and moist skin feeling of an oil-in-water system and can enhance the permeability of the skin surface layer, so that the skin can better absorb effective ingredients to achieve the optimal nutritional effect;

3. the eye cream disclosed by the invention is added with the filling phase which is an oil phase, so that the stability of the base material W/O is consolidated, the body inversion is prevented, and the skin moistening effect of the eye cream is also enhanced;

4. the eye cream adopts a three-phase two-film system, slows down the release speed of the effective components and can provide the skin with nutrient components for a long time.

Detailed Description

To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples. It will be understood by those skilled in the art that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the examples, the experimental methods used were all conventional methods unless otherwise specified, and the materials, reagents and the like used were commercially available without otherwise specified.

Example 1

A multiple eye cream comprises the following components in parts by weight:

phase A: 1.5 parts of polyglycerol-4 isostearate, 0.5 part of PEG-30 dipolyhydroxystearate, 0.5 part of ethylhexyl palmitate, 1 part of jojoba seed oil, 1 part of polydimethylsiloxane and 0.5 part of cyclopentasiloxane;

phase B: 11.25 parts of water, 2 parts of sodium hyaluronate, 2 parts of glycerol and 1 part of grapefruit fruit extract;

and C phase: 3 parts of polydimethylsiloxane cross-linked polymer, 2.5 parts of caprylic/capric triglyceride, 2.5 parts of cyclohexasiloxane, 3 parts of sodium acrylate/sodium acryloyldimethyl taurate copolymer and 0.2 part of vitamin E;

phase D: 43.75 parts of water, 5 parts of glycerol, 1.4 parts of betaine, 4 parts of polyglutamic acid, 0.5 part of p-hydroxyacetophenone, 0.5 part of pentanediol, 4 parts of saccharomyces cerevisiae extract, 5 parts of soluble collagen and 3.4 parts of lactobacillus/soybean milk fermentation product filtrate.

The preparation method of the multiple eye cream comprises the following steps:

1) adding the oil and the emulsifier of the phase A into an emulsifying pot, stirring and dispersing uniformly at a stirring speed of 500r/min, heating to 60 ℃, homogenizing at a rotating speed of 3000r/min for 5min, and stopping homogenizing to obtain an oil phase for later use;

2) adding the water of the phase B and the water-soluble humectant into a water kettle, heating to 82 ℃, uniformly stirring, then cooling to 45 ℃, adding the water-soluble functional components of the phase B, and uniformly stirring to obtain an internal water phase for later use.

3) Pumping the inner water phase obtained in the step 2) into the oil phase obtained in the step 1), adjusting the stirring speed of an emulsifying pot to 9000r/min, increasing the stirring speed of the emulsifying pot to 2000r/min after the inner water phase is completely pumped into the oil phase, and homogenizing for 10min to obtain a first material body;

5) adding the water and the water-soluble humectant of the phase D into a main emulsifying pot, heating to 80 ℃, stirring until the water and the water-soluble humectant are completely dissolved, then cooling to 60 ℃, adding the preservative, then adding the water-soluble functional component of the phase D, stirring uniformly and completely dispersing, pumping the W/O phase material obtained in the step 4) into the main emulsifying pot, stirring rapidly at a stirring speed of 3500r/min, and stirring until the W/O phase material is completely dispersed to obtain the multiple eye cream.

Example 2

A multiple eye cream comprises the following components in parts by weight:

phase A: 1 part of polyglycerol-4 isostearate, 0.5 part of methyl glucose sesquiisostearate, 1 part of PEG-9 polydimethylsiloxyethyl polydimethylsiloxane, 1 part of ethylhexyl palmitate, 1 part of jojoba seed oil, 1 part of polydimethylsiloxane and 0.7 part of isononyl isononanoate;

phase B: 16.5 parts of water, 2 parts of sodium hyaluronate, 2 parts of propylene glycol, 0.6 part of butanediol and 2 parts of water-soluble vitamin C;

and C phase: 6 parts of polydimethylsiloxane cross-linked polymer, 2.5 parts of caprylic/capric triglyceride, 74 parts of C12-14 alkanol polyether, 2.5 parts of cyclopenta dimethyl silicone polymer and 0.5 part of phytosterol;

phase D: 28.0 parts of water, 8 parts of glycerol, 4 parts of trehalose, 515 parts of polyquaternium, 1 part of p-hydroxyacetophenone, 1.0 part of pentanediol, 0.5 part of hexanediol, 4 parts of witch hazel extract, 12.7 parts of tripeptide and 1 part of sturgeon caviar extract;

the preparation method of the multiple eye cream comprises the following steps:

1) adding the oil and emulsifier of phase A into an emulsifying pot, stirring at a stirring speed of 1000r/min for uniform dispersion, heating to 50 deg.C, homogenizing at a rotation speed of 4500r/min for 3.5min, and stopping homogenizing to obtain oil phase;

2) adding the water of the phase B and the water-soluble humectant into a water kettle, heating to 80 ℃, uniformly stirring, then cooling to 50 ℃, adding the water-soluble functional components of the phase B, and uniformly stirring to obtain an internal water phase for later use.

3) Pumping the internal water phase obtained in the step 2) into the oil phase obtained in the step 1), adjusting the stirring speed of an emulsifying pot to 8000r/min, increasing the stirring speed of the emulsifying pot to 4000r/min after the internal water phase is completely pumped into the oil phase, and homogenizing for 15min to obtain a first material body;

5) adding the water and the water-soluble humectant of the phase D into a main emulsifying pot, heating to 85 ℃, stirring until the water and the water-soluble humectant are completely dissolved, then cooling to 65 ℃, adding the preservative, then adding the water-soluble functional component of the phase D, stirring uniformly and completely, pumping the W/O phase material obtained in the step 4) into the main emulsifying pot, stirring rapidly at the stirring speed of 4000r/min, and stirring until the W/O phase material is completely dispersed to obtain the multiple eye cream.

Example 3

A multiple eye cream comprises the following components in parts by weight:

phase A: 0.5 part of decaglycerol decaoleate, 0.5 part of PEG-30 dipolyhydroxystearate, 0.5 part of lauryl PEG-9 polydimethylsiloxyethyl polydimethylsiloxane, 1 part of isononyl isononanoate, 1 part of jojoba seed oil, 1 part of polydimethylsiloxane and 0.5 part of cyclopentasiloxane;

phase B: 15 parts of water, 1 part of propylene glycol, 2 parts of glycerol, 1 part of urea, 1 part of rhodiola root extract and 30.5 parts of pentapeptide;

and C phase: 4 parts of polydimethylsiloxane cross-linked polymer, 4 parts of caprylic/capric triglyceride, 4 parts of polydimethylsiloxane, 4 parts of sodium acrylate/sodium acryloyldimethyl taurate copolymer and 100.3 parts of coenzyme Q;

phase D: 37 parts of water, 6 parts of glycerol, 3 parts of sodium hyaluronate, 12 parts of oligopeptide-12 parts, 0.2 part of phenoxyethanol, 0.5 part of pentanediol, 0.5 part of hexanediol, 3 parts of an Equisetum arvense extract, 3 parts of a Glycyrrhiza glabra root extract and 3 parts of a beer yeast fermentation product.

The preparation method of the multiple eye cream comprises the following steps:

1) adding the oil and emulsifier of phase A into an emulsifying pot, stirring at a stirring speed of 800r/min for uniform dispersion, heating to 55 deg.C, homogenizing at a rotation speed of 4500r/min for 4min, and stopping homogenizing to obtain oil phase;

2) adding the water of the phase B and the water-soluble humectant into a water kettle, heating to 85 ℃, uniformly stirring, then cooling to 40 ℃, adding the water-soluble functional components of the phase B, and uniformly stirring to obtain an internal water phase for later use.

3) Pumping the internal water phase obtained in the step 2) into the oil phase obtained in the step 1), adjusting the stirring speed of an emulsifying pot to 8000r/min, increasing the stirring speed of the emulsifying pot to 3000r/min after the internal water phase is completely pumped into the oil phase, and homogenizing for 12min to obtain a first material body;

5) adding the water and the water-soluble humectant of the phase D into a main emulsifying pot, heating to 85 ℃, stirring until the water and the water-soluble humectant are completely dissolved, then cooling to 65 ℃, adding the preservative, then adding the water-soluble functional component of the phase D, stirring uniformly and completely, pumping the W/O phase material obtained in the step 4) into the main emulsifying pot, stirring rapidly at the stirring speed of 3000r/min, and stirring until the W/O phase material is completely dispersed to obtain the multiple eye cream.

Comparative example 1

The composition of the eye cream and the preparation method thereof in this example were substantially the same as in example 1 except that phase C was not added in this comparative example.

Comparative example 2

The composition of the oil-in-water eye cream of this comparative example was substantially the same as that of example 1, except that the phase B of this comparative example included the following components in parts by weight: 9.65 parts of water, 2 parts of sodium hyaluronate, 2 parts of glycerol, 1 part of grapefruit fruit extract, 1 part of carbomer, 0.1 part of xanthan gum and 0.5 part of acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer.

The method for preparing the eye cream of the present comparative example includes the steps of:

1) sequentially putting the phase A and the phase C into an oil phase pot, heating to 60 ℃, then homogenizing for 5min at a rotation speed of 3500r/min until the material body is completely dissolved and has no particles, and preserving heat for later use;

2) adding water, water-soluble humectant and thickener in phase B and phase D into an emulsifying pot, heating to 80 deg.C, stirring at 1000r/min to dissolve until no particles exist;

3) adding the material body of the oil phase pot in the step 1) into the emulsifying pot in the step 2), uniformly stirring at the speed of 1500r/min, then homogenizing at the speed of 1500r/min for 5min, cooling to 30 ℃, sequentially adding the water-soluble functional components in the phase B and the preservative in the phase D, and uniformly stirring to obtain the oil-in-water eye cream.

Comparative example 3

The composition of the single-phase water-in-oil eye cream of this comparative example was the same as that of example 1.

The preparation method of the water-in-oil eye cream of the comparative example includes the following steps:

1) sequentially putting the phase A and the phase C into an oil phase pot, heating to 60 ℃, then homogenizing at 3500r/min for 5min until the material body is completely dissolved and has no particles, and keeping the temperature for later use;

2) adding water and water-soluble humectant in phase B and phase D into water phase pot, heating to 80 deg.C, stirring for 1000r/min, cooling to 30 deg.C, adding water-soluble effective components in phase B and phase D, stirring until no particles are dissolved, and keeping the temperature for use;

3) pumping the material body of the oil phase pot into an emulsifying pot, stirring at the speed of 500r/min after finishing the pumping, adding the material body in the water phase pot into the emulsifying pot, accelerating the stirring at the speed of 1500r/min after finishing the pumping of the water phase, rapidly homogenizing under the accelerating stirring, wherein the homogenizing speed is 1500r/min, homogenizing for 5min, cooling to 30 ℃, adding a preservative, and uniformly stirring to obtain the water-in-oil eye cream.

Firstly, testing the stability of the product

Stability tests were performed on the above examples 1-3 and comparative examples 1-3, and the stability results of the samples were observed under the following specific test conditions:

1. and (3) centrifugal test: and (4) centrifuging for 30min at 4000 r/min.

2. Heat resistance test: the mixture was placed in an incubator at 48 ℃ for 15 days.

3. Cold resistance test: and (4) placing the mixture in a refrigerator at the temperature of-15 ℃ for 15 days.

4. Cold-hot cycling test: the constant temperature box and the refrigerator are alternately placed for 24h and alternately circulated for 15 days.

The results show that: the eye creams of the above examples 1-3 and comparative examples 2-3 are recovered to room temperature after stability test, and no layering oil-water separation phenomenon occurs; the eye cream of the comparative example 1 has no filling phase, the multiple system is unstable, and the oil-water separation phenomenon occurs, which shows that the eye cream of the W/O/W system of the invention is consistent with a simple water-in-oil and oil-in-water system and has good stability.

Second, use experience test

60 healthy skin male or female volunteers aged 20-50 years were selected for experience testing and randomized into 6 groups. The products of examples 1 to 3 and comparative examples 1 to 3 were used, respectively, and then scored, and the results are shown in table 1.

In the environment with the temperature of 26 plus or minus 1 ℃ and the air humidity of about 75 percent, the concentration of the active carbon is expressed as (1.0 plus or minus 0.1) mg/cm²The test product was applied to the eyes.

The use experience included spreadability, sticky feel, and water-wet feel of the paint, which was then evaluated.

Spreading easily when smearing, and scoring well; spreading speed is normal when smearing, and the score is normal; not easily spread out and scored poor.

The feeling of stickiness did not disappear within 1 hour and was scored poor; feel sticky but quickly disappeared and was scored as normal; the feeling was good without stickiness.

When the product is applied, the product feels fresh and non-moist, and the score is poor; the smearing type feels moist but disappears within 1 hour, and the score is normal; the feeling of wetness did not disappear within 1 hour and was scored as good.

TABLE 1

The above results indicate that, compared to comparative examples 1 to 3, the eye creams of examples 1 to 3 of the present invention have better spreadability and water-moisturizing effect and are not sticky, so that the eye creams of the present invention are more refreshing than simple water-in-oil eye creams, and are also longer-lasting than oil-in-water eye creams, and have both advantages of being longer-lasting in moisture and not greasy.

The invention can adjust the proportion of the phase A, the phase B, the phase C and the phase D of the eye cream of the embodiments 1-3 in a certain range according to the actual requirement, and compared with other proportions, the eye cream comprises the following components in parts by weight: 4-7.5 parts of phase A, 15-24 parts of phase B, 10-22 parts of phase C and 45-78 parts of phase D, wherein the phase A comprises the following components in parts by weight: 2.5-5 parts of grease and 1.5-2.5 parts of emulsifier; the phase B and the phase D both comprise water, a water-soluble humectant and a water-soluble functional ingredient, the total weight of the water in the phase B and the phase D is 44.5-55 parts, the total weight of the water-soluble humectant in the phase B and the phase D is 14.9-23.1 parts, the total weight of the water-soluble functional ingredient in the phase B and the phase D is 9.7-15 parts, the addition amount of the water in the phase B accounts for 20.5-37.1% of the total weight of the water in the phase B and the phase D, the addition amount of the water-soluble humectant in the phase B accounts for 19.9-26.8% of the total weight of the water-soluble humectant in the phase B and the phase D, and the addition amount of the water-soluble functional ingredient in the phase B accounts for 7.5-20.; the water-soluble effective components in the B phase and the D phase comprise at least one of extract, yeast fermentation product, water-soluble vitamin, water-soluble polypeptide and soluble collagen; the phase C comprises the following components in parts by weight: 5-10 parts of oil and fat, 5-10 parts of emulsion stabilizer and 0.2-0.5 part of fat-soluble component, the prepared eye cream is a W/O/W multiple emulsion system, has a three-phase two-membrane structure, and also has good permeability, refreshing skin feel and moisturizing effect, wherein the eye cream prepared in example 1 has good effect.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The multiple eye cream is characterized by comprising the following components in parts by weight: 4-7.5 parts of phase A, 15-24 parts of phase B, 10-22 parts of phase C and 45-78 parts of phase D, wherein the eye cream is W/O/W type multiple emulsion, the phase A is an oil phase, the phase B is an inner water phase, the phase C is a filling phase, and the phase D is an outer water phase;

the water-soluble effective components in the B phase and the D phase comprise at least one of extract, fermentation product, water-soluble vitamin, water-soluble polypeptide and soluble collagen; the extract is at least one of grapefruit fruit extract, brewers' yeast extract, witch hazel extract, sturgeon caviar extract, rhodiola root extract, field horsetail extract and glabrous greenbrier rhizome extract; the fermentation product is a lactobacillus/soybean milk fermentation product;

the phase C comprises the following components in parts by weight: 5-10 parts of grease, 5-10 parts of emulsion stabilizer and 0.2-0.5 part of fat-soluble component;

the preparation method of the multiple eye cream comprises the following steps:

2) adding the water of the phase B and the water-soluble humectant into a water kettle, heating to 80-85 ℃, uniformly stirring, then cooling to 40-50 ℃, adding the water-soluble functional components of the phase B, and uniformly stirring to obtain an internal water phase for later use;

2. The multiple eye cream of claim 1, wherein the oil in phase a comprises at least one of ethylhexyl palmitate, jojoba oil, tocopherol, dimethicone, cyclopentadimethicone, cyclohexasiloxane, isononyl isononanoate, cyclopentasiloxane, cyclohexane, isododecane.

3. The multiple eye cream of claim 1, wherein the emulsifier comprises at least one of polyglyceryl-4 isostearate, methylglucose sesquiisostearate, PEG-30 dipolyhydroxystearate, sodium acrylate/sodium acryloyldimethyl taurate copolymer, polysorbate-80, sorbitan isostearate, decaglyceryl decaoleate, PEG-9 dimethiconoethyl dimethicone, lauryl PEG-9 dimethiconoethyl dimethicone.

4. The multiple eye cream of claim 1, wherein the water-soluble moisturizer in phase B and phase D comprises at least one of urea, trehalose, polyquaternium-51, sodium hyaluronate, betaine, glycerin, butylene glycol, propylene glycol, hexylene glycol, pentylene glycol, polyglutamic acid, oligopeptide-1, algal oligosaccharides.

5. The multiple eye cream of claim 1, wherein the oil in phase C comprises at least one of dimethicone, caprylic/capric triglyceride, jojoba esters, glyceryl linoleate, dimethicone, cyclopentadimethicone, cyclohexasiloxane.

6. The multiple eye cream of claim 1, wherein the emulsion stabilizer comprises at least one of dimethicone crosspolymer, C12-14 alkanol polyether-7, sodium acrylate/sodium acryloyldimethyl taurate copolymer, dimethicone/vinyl dimethicone crosspolymer.

7. The multiple eye cream of claim 1, wherein the fat soluble ingredients comprise at least one of fat soluble vitamins, phytosterols, oil soluble terpene alcohols, coenzyme Q10.

8. The multiplex eye cream according to any one of claims 1 to 7, wherein phase D further comprises the following components in parts by weight: 0.2-2 parts of preservative.

9. The multiple eye cream of claim 8, wherein the preservative comprises at least one of p-hydroxyacetophenone, ethylhexyl glycerol, phenoxyethanol, caprylyl hydroxamic acid.