CN114053170A - Moisture-preserving and water-locking solid mask and preparation method thereof - Google Patents

Moisture-preserving and water-locking solid mask and preparation method thereof Download PDF

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CN114053170A
CN114053170A CN202111483044.0A CN202111483044A CN114053170A CN 114053170 A CN114053170 A CN 114053170A CN 202111483044 A CN202111483044 A CN 202111483044A CN 114053170 A CN114053170 A CN 114053170A
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Prior art keywords
essence
moisture
water
retaining
mask
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CN202111483044.0A
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Inventor
沈一泽
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Hangzhou Duodian Biotechnology Co ltd
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Hangzhou Duodian Biotechnology Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/60Sugars; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0212Face masks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/494Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
    • A61K8/4946Imidazoles or their condensed derivatives, e.g. benzimidazoles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/63Steroids; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/64Proteins; Peptides; Derivatives or degradation products thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/64Proteins; Peptides; Derivatives or degradation products thereof
    • A61K8/65Collagen; Gelatin; Keratin; Derivatives or degradation products thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73Polysaccharides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73Polysaccharides
    • A61K8/731Cellulose; Quaternized cellulose derivatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73Polysaccharides
    • A61K8/735Mucopolysaccharides, e.g. hyaluronic acid; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73Polysaccharides
    • A61K8/736Chitin; Chitosan; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/30Characterized by the absence of a particular group of ingredients
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/59Mixtures
    • A61K2800/592Mixtures of compounds complementing their respective functions
    • A61K2800/5922At least two compounds being classified in the same subclass of A61K8/18
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/84Products or compounds obtained by lyophilisation, freeze-drying

Abstract

The application provides a moisture-preserving and water-locking solid mask and a preparation method thereof, wherein essence of the mask comprises 33-38% of trehalose, 24-27% of hydroxypropyl methylcellulose, 9-12% of chitosan, 8-12% of dipotassium glycyrrhizinate, 6-11% of tremella heteropolysaccharide, 2.5-4% of euglena gracilis polysaccharide, 3-4% of hydrolyzed collagen, 0.5-2% of sodium hyaluronate and 0.5-2% of carnosine. Mixing and stirring raw materials of the essence uniformly, homogenizing to obtain the essence, soaking the membrane material into the essence, cooling to-40 +/-2 ℃, and preserving heat until the product is completely frozen; vacuumizing the essence, gradually sublimating and drying the product until the essence is transparent, and heating the transparent purifying liquid to 35 +/-1 ℃ to obtain the solid facial mask. This application utilizes the low temperature drying technique, and protection bioactive factor maintains the optimum, reduces the probability that bacterial growing when making it easily preserve, need not add antiseptic, ensures that the user's skin is healthy.

Description

Moisture-preserving and water-locking solid mask and preparation method thereof
Technical Field
The application relates to the technical field of skin care products, in particular to a moisture-preserving and water-locking solid mask and a preparation method thereof.
Background
With the improvement of life quality of people and the pursuit of improving the overall appearance, beauty and skin care products are more and more favored. The facial mask covers the face for a short time by using the essence, temporarily isolates the outside air and pollution, improves the temperature of the skin, expands pores of the skin, promotes secretion and metabolism of sweat glands, increases the oxygen content of the skin, is beneficial to the skin to remove products of metabolism of epidermal cells and accumulated grease substances, and nutrient substances in the facial mask permeate into the horny layer of the epidermis to soften the skin, so that the skin is naturally bright and elastic.
The common facial mask is usually manufactured in a wet mode, non-woven fabric or elastic facial mask paper is soaked in essence with beauty components, when the facial mask is used, a sealed package of the facial mask is torn, and the facial mask which is full of the essence can be directly taken out and applied to the face. However, the essence of the product is usually excessive, and the essence flows around due to the dead weight when in use, which brings great inconvenience to the use. Meanwhile, essential components of the facial mask, such as vitamins, enzymes, proteins, polypeptides and the like, are difficult to store in a liquid state for a long time, and stabilizers, preservatives and the like need to be added, so that the use safety is affected. In addition, some essential components are expensive and added in a small amount, and thus cannot be uniformly distributed when impregnated into a base material such as a nonwoven fabric. Finally, due to the fact that the non-woven fabric needs to be soaked, the essence is usually added in an excessive amount, but the base materials such as the non-woven fabric only absorb a part of essence, the part of essence is stuck in the packaging bag and cannot be completely extruded out, and the like, so that part of essence is lost, a large amount of essence is wasted, the essence cannot be completely absorbed by the skin on the face, the utilization rate of essence components is low, and the production cost is increased.
The solid mask is a novel product in a skin-care mask paste, has few preservative agents, is convenient to use and is widely accepted by consumers, and can enable active substances to be uniformly distributed on the surface of a mask cloth. But the active substances in the essence are easy to deactivate, and the active substances are easy to decompose in the drying process, so that the care performance of the mask is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide the moisture-preserving and water-locking solid mask and the preparation method thereof.
The technical scheme adopted by the application is as follows:
a moisture-preserving and water-locking solid mask is prepared by the following steps:
(1) mixing and stirring raw materials of the essence uniformly, and homogenizing to obtain the essence; the essence comprises the following components in parts by mass: 33-38% of trehalose, 24-27% of hydroxypropyl methylcellulose, 9-12% of chitosan, 8-12% of dipotassium glycyrrhizinate, 6-11% of tremella heteropolysaccharide, 2.5-4% of euglena gracilis polysaccharide, 3-4% of hydrolyzed collagen, 0.5-2% of sodium hyaluronate and 0.5-2% of carnosine;
(2) soaking the membrane material into the essence obtained in the step (1), then cooling to-35-50 ℃, and preserving heat until the product is completely frozen;
(3) vacuumizing the essence completely frozen in the step (2), gradually sublimating and drying the product until the essence is transparent;
(4) and (4) heating the transparent purifying liquid obtained in the step (3) to 30-40 ℃ to obtain the solid facial mask.
The further technical scheme is that the impregnation condition in the step (2) is as follows: and soaking for 6-8 hours in a sterile environment.
The further technical scheme is that in the step (2), the membrane material is one of cellulose facial membrane paper, silk facial membrane paper, all-cotton facial membrane paper and polyester facial membrane paper.
The further technical proposal is that the vacuum degree of the vacuum pumping in the step (3) is 150 +/-20 Pa.
The further technical scheme is that the essence comprises the following components in parts by mass: trehalose 36%, hydroxypropyl methylcellulose 26%, chitosan 10%, dipotassium glycyrrhizinate 10%, tremella heteropolysaccharide 9%, euglena gracilis polysaccharide 3.5%, hydrolyzed collagen 3.5%, sodium hyaluronate 1%, and carnosine 1%.
The further technical scheme is that the essence comprises the following components in parts by mass: 35% of trehalose, 25.5% of hydroxypropyl methylcellulose, 11% of chitosan, 10% of dipotassium glycyrrhizinate, 9.5% of tremella heteropolysaccharide, 3% of euglena gracilis polysaccharide, 3.5% of hydrolyzed collagen, 1.5% of sodium hyaluronate and 1% of carnosine.
The further technical scheme is that the water content of the solid facial mask prepared by the method is lower than 5% at 35 +/-1 ℃.
When the facial mask is used, the sterile water matched with the facial mask is poured into the container, and the facial mask is taken out after being soaked in the water and is applied to the face.
The beneficial effect of this application lies in:
(1) this application utilizes the low temperature drying technique, and protection bioactive factor maintains the optimum, reduces the probability that bacterial growing when making it easily preserve, need not add antiseptic, ensures that the user's skin is healthy.
(2) Trehalose is a natural saccharide, can slow down the evaporation of keratin water, increases the amount of bound water between lipid bilayers of the horny layer, and has excellent moisture retention; the hydroxypropyl methyl cellulose has the characteristics of thickening capability, excellent film forming property, wide enzyme resistance, dispersibility, cohesiveness and the like; the chitosan has excellent biocompatibility and film-forming property, moisture retention, wettability and antistatic effect, and has no irritation and no toxicity to skin; the dipotassium glycyrrhizinate has the functions of anti-inflammation, anti-stimulation, oil control, red swelling reduction, inflammation reduction and healing; the tremella heteropolysaccharide has moisturizing performance superior to hyaluronic acid, can enhance cellular immune function, remove free radicals, and has the effects of resisting oxidation and aging, supplementing nutrition, increasing skin elasticity, and reducing skin texture; the Euglena gracilis polysaccharide has anti-inflammatory, immunity enhancing, moisture keeping, antioxidant and skin caring effects; the hydrolyzed collagen can increase the firmness and elasticity of skin, relieve the problems of wrinkling and aging, and can be used as a moisturizing agent to absorb and retain moisture in the air for the skin; the sodium hyaluronate has higher moisturizing effect than the traditional moisturizing agent, and has no defects of greasy feeling, blockage of skin pores and the like; carnosine is a dipeptide composed of beta-alanine and L-histidine, naturally exists in various tissues of an organism, can resist free radical damage, eliminates free radicals, and achieves the effect of resisting oxidation.
The raw materials are matched, and under the action of hydroxypropyl methyl cellulose, trehalose, chitosan, dipotassium glycyrrhizinate, tremella heteropolysaccharide, euglena gracilis polysaccharide, hydrolyzed collagen, sodium hyaluronate and carnosine can be better combined and uniformly mixed. This application needs to soak the facial mask in supporting aseptic aquatic, and at the in-process that absorbs water, the polysaccharide molecule takes place the swelling effect, and hydroxypropyl methyl cellulose forms the hydrogen bond with the polysaccharide molecule simultaneously, combines a large amount of moisture, and after applying in user's face, for the skin absorbs and remain moisture, increase the compactness and the elasticity of skin, play positive regulatory action to skin microorganism attitude. The sodium hyaluronate can also permeate into the dermis to regulate the metabolism of the skin, thereby achieving the effects of wrinkle resistance, beauty and health care.
(3) The skin care cream is not added with a thickening agent, a preservative, essence and other additives, is good in safety and has no stimulation to skin.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1
The moisture-preserving and water-locking solid facial mask is prepared from the following raw materials in parts by mass: trehalose 36%, hydroxypropyl methylcellulose 26%, chitosan 10%, dipotassium glycyrrhizinate 10%, tremella heteropolysaccharide 9%, euglena gracilis polysaccharide 3.5%, hydrolyzed collagen 3.5%, sodium hyaluronate 1%, and carnosine 1%.
A solid mask prepared by the steps of:
(1) mixing trehalose, hydroxypropyl methylcellulose, chitosan, dipotassium glycyrrhizinate, Tremella heteropolysaccharide, Euglena gracilis polysaccharide, hydrolyzed collagen, sodium hyaluronate and carnosine according to a certain proportion, stirring uniformly, and homogenizing to obtain essence;
(2) soaking cellulose facial mask paper into the essence obtained in the step (1) for 7 hours; then cooling to-40 ℃ through liquid nitrogen, and preserving heat until the product is completely frozen;
(3) vacuumizing the essence completely frozen in the step (2), gradually sublimating and drying the product until the essence is transparent; the vacuum degree is 150 Pa;
(4) and (4) heating the transparent purifying liquid obtained in the step (3) to 35 ℃ to obtain the solid facial mask.
Example 2
The moisture-preserving and water-locking solid facial mask is prepared from the following raw materials in parts by mass: 35% of trehalose, 25.5% of hydroxypropyl methylcellulose, 11% of chitosan, 10% of dipotassium glycyrrhizinate, 9.5% of tremella heteropolysaccharide, 3% of euglena gracilis polysaccharide, 3.5% of hydrolyzed collagen, 1.5% of sodium hyaluronate and 1% of carnosine.
A solid mask prepared by the steps of:
(1) mixing trehalose, hydroxypropyl methylcellulose, chitosan, dipotassium glycyrrhizinate, Tremella heteropolysaccharide, Euglena gracilis polysaccharide, hydrolyzed collagen, sodium hyaluronate and carnosine according to a certain proportion, stirring uniformly, and homogenizing to obtain essence;
(2) soaking cellulose facial mask paper into the essence obtained in the step (1) for 6.5 hours; then cooling to-41 ℃ through liquid nitrogen, and preserving heat until the product is completely frozen;
(3) vacuumizing the essence completely frozen in the step (2), gradually sublimating and drying the product until the essence is transparent; the vacuum degree is 165 Pa;
(4) and (4) heating the transparent purifying liquid obtained in the step (3) to 35.5 ℃ to obtain the solid facial mask.
Comparative example 1
The moisture-preserving and water-locking solid facial mask is prepared from the following raw materials in parts by mass: trehalose 36%, hydroxypropyl methylcellulose 26%, chitosan 10%, dipotassium glycyrrhizinate 10%, tremella heteropolysaccharide 9%, euglena gracilis polysaccharide 3.5%, hydrolyzed collagen 3.5%, sodium hyaluronate 1%, and carnosine 1%.
A solid mask prepared by the steps of:
(1) mixing trehalose, hydroxypropyl methylcellulose, chitosan, dipotassium glycyrrhizinate, Tremella heteropolysaccharide, Euglena gracilis polysaccharide, hydrolyzed collagen, sodium hyaluronate and carnosine according to a certain proportion, stirring uniformly, and homogenizing to obtain essence;
(2) soaking cellulose facial mask paper into the essence obtained in the step (1) for 7 hours; then drying the facial mask at 50 ℃ for 24 hours;
(3) and (3) sterilizing the facial mask obtained in the step (2) at 70 ℃ for 1 hour to obtain the solid facial mask.
Comparative example 2
The moisture-preserving and water-locking solid facial mask is prepared from the following raw materials in parts by mass: 35% of trehalose, 25.5% of hydroxypropyl methylcellulose, 11% of chitosan, 10% of dipotassium glycyrrhizinate, 9.5% of tremella heteropolysaccharide, 3% of euglena gracilis polysaccharide, 3.5% of hydrolyzed collagen, 1.5% of sodium hyaluronate and 1% of carnosine.
A solid mask prepared by the steps of:
(1) mixing trehalose, hydroxypropyl methylcellulose, chitosan, dipotassium glycyrrhizinate, Tremella heteropolysaccharide, Euglena gracilis polysaccharide, hydrolyzed collagen, sodium hyaluronate and carnosine according to a certain proportion, stirring uniformly, and homogenizing to obtain essence;
(2) soaking cellulose facial mask paper into the essence obtained in the step (1) for 6.5 hours; then, drying the facial mask at 55 ℃ for 16 hours;
(3) and (3) sterilizing the facial mask obtained in the step (2) at 70 ℃ for 1 hour to obtain the solid facial mask.
The moisture absorption and retention properties of the masks prepared in examples and comparative examples were measured
(1) Moisture absorption test: the solid masks prepared in examples 1 to 2 and comparative examples 1 to 2 were placed in incubators respectively at a relative humidity of 41% RH and 80% RH at a constant temperature of 20 ℃, and the mass of each sample was weighed at regular intervals, and the moisture absorption rate was calculated as (Gn-Go)/Go, wherein: go is the mass of the sample after it has been removed from the package, and Gn is the mass of the sample after it has been wetted for a certain period of time. The time required for moisture absorption to reach saturation was calculated by model analysis.
(2) Moisture retention test: and (3) continuously placing the solid mask sample with saturated moisture absorption in a constant-temperature constant-humidity drying oven (the temperature is 20 ℃, the relative humidity is RH (41%) and RH (80%) for 24h, weighing the mass of each sample after 24h, and calculating the moisture retention rate Wn/Wo. In the formula: wo is the mass of the sample when the sample reaches saturation by moisture absorption, and Wn is the mass of the sample after being placed for 24 h.
The measurement results are shown in table 1:
TABLE 1 values of moisture absorption and retention tests
Figure BDA0003395626150000061
As shown in table 1, the solid mask of the present application has excellent water absorption and moisture retention properties because the present application maintains bioactive factors in an optimal state by using a low-temperature drying technology, absorbs less moisture from the outside during use, and swells polysaccharide molecules during water absorption, and at the same time, hydroxypropylmethylcellulose forms hydrogen bonds with the polysaccharide molecules to combine a large amount of moisture, thereby playing a strong role in water retention and actively regulating the microbial state of skin.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the present application, and all equivalent variations and modifications within the scope of the present application are intended to be covered by the present application. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A moisture-preserving and water-locking solid mask is characterized by being prepared by the following steps:
(1) mixing and stirring raw materials of the essence uniformly, and homogenizing to obtain the essence; the essence comprises the following components in parts by mass: 33-38% of trehalose, 24-27% of hydroxypropyl methylcellulose, 9-12% of chitosan, 8-12% of dipotassium glycyrrhizinate, 6-11% of tremella heteropolysaccharide, 2.5-4% of euglena gracilis polysaccharide, 3-4% of hydrolyzed collagen, 0.5-2% of sodium hyaluronate and 0.5-2% of carnosine;
(2) soaking the membrane material into the essence obtained in the step (1), then cooling to-35-50 ℃, and preserving heat until the product is completely frozen;
(3) vacuumizing the essence completely frozen in the step (2), gradually sublimating and drying the product until the essence is transparent;
(4) and (4) heating the transparent purifying liquid obtained in the step (3) to 30-40 ℃ to obtain the solid facial mask.
2. The moisture-retaining and water-retaining solid mask as set forth in claim 1, wherein: the dipping conditions in the step (2) are as follows: and soaking for 6-8 hours in a sterile environment.
3. The moisture-retaining and water-retaining solid mask as set forth in claim 1, wherein: in the step (2), the membrane material is one of cellulose facial membrane paper, silk facial membrane paper, all-cotton facial membrane paper and polyester facial membrane paper.
4. The moisture-retaining and water-retaining solid mask as set forth in claim 1, wherein: the vacuum degree of the vacuum pumping in the step (3) is 150 +/-20 Pa.
5. The moisture-retaining and water-retaining solid mask as set forth in claim 1, wherein: the essence comprises the following components in parts by mass: trehalose 36%, hydroxypropyl methylcellulose 26%, chitosan 10%, dipotassium glycyrrhizinate 10%, tremella heteropolysaccharide 9%, euglena gracilis polysaccharide 3.5%, hydrolyzed collagen 3.5%, sodium hyaluronate 1%, and carnosine 1%.
6. The moisture-retaining and water-retaining solid mask as set forth in claim 1, wherein: the essence comprises the following components in parts by mass: 35% of trehalose, 25.5% of hydroxypropyl methylcellulose, 11% of chitosan, 10% of dipotassium glycyrrhizinate, 9.5% of tremella heteropolysaccharide, 3% of euglena gracilis polysaccharide, 3.5% of hydrolyzed collagen, 1.5% of sodium hyaluronate and 1% of carnosine.
7. A moisture-retaining and water-retaining solid mask as claimed in any one of claims 1 to 6, wherein: the prepared solid facial mask has water content of less than 5% at 35 + -1 deg.C.
CN202111483044.0A 2021-12-07 2021-12-07 Moisture-preserving and water-locking solid mask and preparation method thereof Pending CN114053170A (en)

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