CN111631966A - Essence for moistening and tendering skin and preparation method thereof - Google Patents
Essence for moistening and tendering skin and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a moistening and skin-tendering essence and a preparation method thereof, the moistening and skin-tendering essence adopts lavender flower water, licorice root extract, bilberry root extract, centella extract, polygonum cuspidatum root extract, scutellaria root extract, chamomile flower extract, rosemary leaf extract, lemon extract, jasmine extract, angelica extract and the like as active ingredients and is mixed with other auxiliary materials in a proper weight ratio, and the prepared moistening and skin-tendering essence can effectively supplement and maintain the moisture and the grease of skin, so that the skin keeps a glittering and translucent state. The product disclosed by the invention is added with various plant extracts to enhance the moisturizing effect, and is prepared by a specific preparation method, so that the skin nourishing capability of the essence is further improved. The product has the advantage of high moisture retention, can promote the absorption of active ingredients of other skin care products, makes the skin smooth and fine, is safe, purely natural, free of additives and soft and non-irritant to the skin.
Description
Technical Field
The invention belongs to the technical field of skin care products, and particularly relates to essence for moistening and tendering skin and a preparation method thereof.
Background
The skin is the natural outer coat of the human body, the stratum corneum, the outermost layer of the skin, plays an important role in the integrity of the skin barrier function. A sebum membrane is formed on the horny layer, and is a semitransparent milky membrane formed by emulsifying sebum, sweat and epidermal cell secretion, and free fatty acid, lactate, urea and uric acid in the sebum membrane are natural moisturizing factors and play a role in moisturizing the skin. The stratum corneum and sebaceous membrane prevent the loss of water from the skin. Normally, the water content of the stratum corneum should be around 10%, below which level, the skin is water-deficient. In the latest investigation, 70% of women in winter think that their own body skin is dry, and 40% of their face skin is dry; in the summer, the ratio is 34% and 15%, respectively. In clinical skin moisture tests, normal epidermal moisture content should be 25%, but today urban female skin moisture content has dropped to around 15%. As such, 60% of women today focus skin care on skin moisturization. The existing low-price moisturizing products in the market have little effect, and a skin care product with strong moisturizing effect and reasonable price is urgently needed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides essence for moistening and tendering skin and a preparation method thereof. The essence for moistening and tendering skin can effectively supplement and maintain moisture and grease of the skin, so that the skin keeps a glittering and exquisite state. The product disclosed by the invention is added with various plant extracts to enhance the moisturizing effect, and is prepared by a specific preparation method, so that the skin nourishing capability of the essence is further improved.
The technical scheme adopted by the invention is as follows:
the essence for moistening and tendering skin comprises the following raw material components:
1-3 parts by weight of water, 0.1-2 parts by weight of butylene glycol, 0.5-1 part by weight of glycerin, 0.1-0.2 part by weight of trehalose, 0.5-1 part by weight of betaine, 0.3-2 parts by weight of lavender (LAVANDULA ANGUSTIFOLIA) flower water, 0.1-4 parts by weight of licorice (GLYCYRRHIZA URALENSIS) root extract, 0.5-1.5 parts by weight of ginkgo alkanna tinctoria root extract, 0.1-2 parts by weight of centella asiatica (CENTELLA ASIATICA) extract, 0.5-1.5 parts by weight of POLYGONUM CUSPIDATUM (POLYGONUM CUSPIDATUM) root extract, 0.5-1 part by weight of SCUTELLARIA BAICALENSIS (sculelellaria BAICALENSIS) root extract, 0.1-0.5 parts by weight of chamomilla OFFICINALIS (chamomilla OFFICINALIS) flower extract, 0.1-0.5 parts by weight of rosemary (ROSMARINUS OFFICINALIS) leaf extract, 0.8-0.5 parts by weight of jasmine extract, 0.5-0.1.5 parts by weight of jasmine extract, 0.5-2 parts by weight of p-2 parts by weight of ginseng flower extract, 0.5 parts by weight of jasmine extract, 0.5-1.5 parts by weight of ginseng extract, 0.5 parts by weight of, 0.5-1 part of hydrolyzed glycosaminoglycans, 0.1-0.3 part of 1, 2-hexanediol, 0.1-0.8 part of panthenol, 0.1-0.2 part of dipotassium glycyrrhizinate, 1-2 parts of nicotinamide, 0.1-0.2 part of EDTA disodium, 0.1-0.5 part of sodium hyaluronate and 0.1-0.2 part of sodium citrate.
The licorice root extract is prepared by the following method:
(A1) sequentially removing impurities from licorice root, cleaning, drying, crushing, adding water which is 2-3 times of the mass of the licorice root, mixing and grinding, adding malic acid which is 10-30% of the mass of the licorice root, and acidifying for 6-7h to obtain an acidified raw material;
(A2) adding yeast with the mass of 1% -3% of that of the licorice root into the acidified raw materials, fermenting for 20-30 days at 36-38 ℃, and filtering to obtain filtrate, namely the licorice root extract.
The preparation method of the alkannin ginkgo root extract and the angelica sinensis extract is the same as that of the licorice root extract.
The centella asiatica extract is prepared by the following method:
(B1) drying and crushing centella to obtain fine centella powder;
(B2) adding ethanol into the fine powder of the centella asiatica in the step (B1) for the first time, performing reflux extraction at 60-70 ℃ for 2-3h, centrifuging, and filtering to obtain a first filtrate and a first filter residue; adding ethanol into the first filter residue for the second time, performing heat preservation extraction at 50-60 ℃ for 3-5h, centrifuging, and filtering to obtain a second filtrate and a second filter residue; and combining the first filtrate and the second filtrate, concentrating to remove ethanol, and filtering to obtain the asiatic pennywort herb extract.
In the step (B2), the volume concentration of the ethanol added twice is 70-90%; the ratio of the mass of the centella fine powder to the volume of the ethanol added for the first time is 1:10-1:14g/ml, and the ratio of the mass of the first filter residue to the volume of the ethanol added for the second time is 1:10-1:14 g/ml; the concentration is water bath concentration, and the temperature of the concentration is 48-52 ℃.
The preparation method of the rosemary extract and the lemon extract is the same as that of the asiatic pennywort herb extract.
The lavender flower water is prepared by the following method:
(C1) drying and crushing lavender flowers to obtain lavender flower fine powder;
(C2) adding distilled water into the lavender flower fine powder for the first time, soaking, performing heat preservation extraction at 80-85 ℃ for 2-4h, centrifuging, and filtering to obtain a first filtrate and a first filter residue; adding distilled water into the first filter residue for the second time, performing heat preservation extraction at 80-85 ℃ for 1-2h, centrifuging, and filtering to obtain a second filtrate and a second filter residue; and combining the first filtrate and the second filtrate, concentrating and filtering to obtain the lavender flower water.
In the step (C2), the mass ratio of the lavender flower fine powder to the first-time added distilled water is 1:4-1: 6; the mass ratio of the first filter residue to the second addition of distilled water is 1:4-1: 6; the concentration is water bath concentration, and the temperature of the concentration is 85-95 ℃.
The preparation method of the jasmine extract is the same as that of the lavender flower water.
The chamomile extract is prepared by the following method:
(D1) taking chamomile, drying and crushing to obtain chamomile fine powder;
(D2) adding distilled water into the fine powder of the mother chrysanthemum in the step (D1) for the first time, soaking, performing reflux extraction at 60-65 ℃ for 2-3h, centrifuging, and filtering to obtain a first filtrate and a first filter residue; adding distilled water into the first filter residue and the second filter residue, performing heat preservation extraction at 60-65 ℃ for 1-2h, centrifuging, and filtering to obtain a second filtrate and a second filter residue; and combining the first filtrate and the second filtrate, concentrating to remove distilled water, and filtering to obtain the chamomile flower extract.
In the step (D2), the mass ratio of the fine powder of the chamomile to the first addition of distilled water is 1 (8-10); the mass ratio of the first filter residue to the second addition of distilled water is 1 (8-10); the concentration is water bath concentration, and the temperature of the concentration is 80-82 ℃.
The preparation method of the radix scutellariae extract and the rhizoma polygoni cuspidati extract is the same as that of the chamomile extract.
The preparation method of the essence for moistening and tendering skin comprises the following specific steps:
mixing butanediol, glycerol, sodium hyaluronate, trehalose, betaine, sodium citrate, hydrolyzed glycosaminoglycans and water, and then stirring and homogenizing in sequence to obtain a homogenized raw material; and adding the rest raw materials into the homogenized raw materials, uniformly stirring, subpackaging and homogenizing to obtain the skin moistening and tendering essence.
The two homogenization times are both 70-110 s.
The raw materials of the alkannin ginkgo root extract, the giant knotweed rhizome extract and the lemon extract are all absent, and the components have mutual synergistic effect and jointly play the effects of moisturizing and moisturizing the skin; only the licorice extract obtained by the preparation method of the invention interacts with other components, so that the licorice extract has better moisturizing effect
The invention has the beneficial effects that:
according to the essence for moistening and tendering skin, lavender flower water, licorice root extract, alkanna tinctoria root extract, centella asiatica extract, polygonum cuspidatum root extract, scutellaria baicalensis root extract, chamomile flower extract, rosemary leaf extract, lemon extract, jasmine extract, Chinese angelica extract and the like are used as effective components and are mixed with other auxiliary materials in a proper weight ratio, so that the prepared essence for moistening and tendering skin can effectively supplement and maintain the moisture and grease of the skin, and the skin is kept in a glittering and translucent state; meanwhile, the essence disclosed by the invention can effectively improve acne closure, pore contraction and skin tightening; the skin pigmentation is eliminated, and the contained unique fruit acid component can soften old cutin and promote metabolism and regeneration; improving the sub-health state of the skin, balancing the secretion of grease, having good anti-inflammatory and bactericidal effects on acne skin, calming the skin and mildly astringing. The product disclosed by the invention is added with various plant extracts to enhance the moisturizing effect, and is prepared by a specific preparation method, so that the effects of nourishing skin, moisturizing water and the like of the essence are further improved. The product has the advantage of high moisture retention, can promote the absorption of active ingredients of other skin care products, makes the skin smooth and fine, is safe, purely natural, free of additives and soft and non-irritant to the skin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the following examples 1mg is represented by 1 part by weight.
Example 1
The embodiment provides an essence for moistening and tendering skin, which comprises the following raw material components:
1 part by weight of water, 0.1 part by weight of butylene glycol, 0.5 part by weight of glycerin, 0.1 part by weight of trehalose, 0.5 part by weight of betaine, 0.1 part by weight of lavender flower water, 0.5 part by weight of licorice root extract, 0.3 part by weight of ginkgo alkanna tinctoria root extract, 0.1 part by weight of centella asiatica extract, 0.5 part by weight of giant knotweed root extract, 0.5 part by weight of scutellaria root extract, 0.1 part by weight of chamomile flower extract, 0.2 part by weight of rosemary leaf extract, 0.2 part by weight of lemon extract, 0.5 part by weight of jasmine extract, 0.2 part by weight of angelica sinensis extract, 0.1 part by weight of p-hydroxyacetophenone, 0.5 part by weight of hydrolyzed glycosaminoglycans, 0.1 part by weight of 1, 2-hexanediol, 0.1 part by weight of panthenol, 0.1 part by weight of dipotassium glycyrrhizinate, 1 part by weight of nicotinamide, 0.1 part by weight of disodium EDTA, 0.1 part by weight of sodium hyaluronate.
Further, the preparation method of the essence for moistening and tendering skin comprises the following specific steps:
(1) preparing Glycyrrhrizae radix extract, radix Arnebiae extract and radix Angelicae sinensis extract
(A1) Taking licorice root, ginkgo alkannin root and angelica, sequentially and respectively removing impurities, cleaning, drying and crushing, respectively adding water which is 2 times of the mass of each raw material, mixing and grinding, and respectively adding malic acid which is 10% of the mass of each raw material for acidification for 7 hours to obtain each acidified raw material;
(A2) adding yeast accounting for 1% of the mass of each material into the acidified materials, fermenting at 38 deg.C for 30 days, and filtering to obtain filtrate, i.e. Glycyrrhrizae radix extract;
(2) preparing herba Centellae extract, herba Rosmarini officinalis extract and fructus Citri Limoniae extract
(B1) Respectively drying and crushing centella, rosemary and lemon to obtain fine powder of each raw material;
(B2) adding ethanol into the fine powder of each raw material in the step (B1) for the first time, performing reflux extraction at 60 ℃ for 3 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue of each raw material; adding ethanol into the first filter residue for the second time, performing heat preservation extraction at 50 ℃ for 5 hours, centrifuging, and filtering to obtain a second filtrate and a second filter residue of each raw material; mixing the first filtrate and the second filtrate of the raw materials, concentrating to remove ethanol, and filtering to obtain the centella extract, the rosemary extract and the lemon extract;
the volume concentration of ethanol added twice is 70 percent; the ratio of the mass of the raw material fine powder to the volume of the first ethanol addition is 1:10g/ml, and the ratio of the mass of the first filter residue to the volume of the second ethanol addition is 1:10 g/ml; the concentration is water bath concentration, and the temperature of the concentration is 48 ℃;
(3) preparing Lavender flower water and flos Jasmini sambac extract
(C1) Drying and pulverizing Lavender flower and flos Jasmini sambac respectively to obtain Lavender flower fine powder and flos Jasmini sambac fine powder;
(C2) adding distilled water into the lavender flower fine powder and the jasmine fine powder for the first time respectively, soaking, performing heat preservation extraction at 80 ℃ for 4 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue; respectively adding distilled water into the first filter residue for the second time, performing heat preservation extraction at 80 ℃ for 2 hours, centrifuging, and filtering to obtain a second filtrate and a second filter residue; mixing the first filtrate and the second filtrate, concentrating, and filtering to obtain lavender flower water and jasmine extract;
the mass ratio of the raw material fine powder to the first-time added distilled water is 1: 4; the mass ratio of the first filter residue to the second distilled water is 1: 4; the concentration is water bath concentration, and the temperature of the concentration is 85 ℃;
(4) preparing flos Matricariae Chamomillae extract, Scutellariae radix extract and rhizoma Polygoni Cuspidati extract
(D1) Taking chamomile, radix scutellariae and rhizoma polygoni cuspidati, respectively drying and crushing to obtain fine powder of each raw material;
(D2) adding distilled water into the raw material fine powder obtained in the step (D1) for the first time, soaking, performing reflux extraction at 60 ℃ for 2 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue of each raw material; adding distilled water into the first filter residue and the second filter residue of each raw material respectively, performing heat preservation extraction at 60 ℃ for 2 hours, centrifuging and filtering to obtain a second filtrate and a second filter residue of each raw material; mixing the first filtrate and the second filtrate, concentrating to remove distilled water, and filtering to obtain flos Matricariae Chamomillae extract, Scutellariae radix extract and rhizoma Polygoni Cuspidati extract;
the mass ratio of the raw material fine powder to the first-time added distilled water is 1: 8; the mass ratio of the first filter residue to the second distilled water is 1: 8; the concentration is water bath concentration, and the temperature of the concentration is 80 ℃;
(5) mixing butanediol, glycerol, sodium hyaluronate, trehalose, betaine, sodium citrate, hydrolyzed glycosaminoglycans and water, and then stirring and homogenizing in sequence to obtain a homogenized raw material; and adding the rest raw materials into the homogenized raw materials, uniformly stirring, subpackaging and homogenizing to obtain the skin moistening and tendering essence.
Example 2
The embodiment provides an essence for moistening and tendering skin, which comprises the following raw material components:
3 parts by weight of water, 2 parts by weight of butanediol, 1 part by weight of glycerol, 0.2 part by weight of trehalose, 1 part by weight of betaine, 4 parts by weight of lavender flower water, 1.5 parts by weight of licorice root extract, 2 parts by weight of lithospermum ginkgo root extract, 2 parts by weight of centella asiatica extract, 1.5 parts by weight of polygonum cuspidatum root extract, 1 part by weight of scutellaria baicalensis root extract, 0.5 part by weight of chamomile flower extract, 0.8 part by weight of rosemary leaf extract, 0.3 part by weight of lemon extract, 0.7 part by weight of jasmine extract, 0.5 part by weight of angelica sinensis extract, 1 part by weight of p-hydroxyacetophenone, 1 part by weight of hydrolyzed glycosaminoglycan, 0.3 part by weight of 1, 2-hexanediol, 0.8 part by weight of panthenol, 0.2 part by weight of dipotassium glycyrrhizinate, 2 parts by weight of nicotinamide, 0.2 part by weight of disodium EDTA, 0.5 part by weight of sodium hyaluronate.
Further, the preparation method of the essence for moistening and tendering skin comprises the following specific steps:
(1) preparing Glycyrrhrizae radix extract, radix Arnebiae extract and radix Angelicae sinensis extract
(A1) Taking licorice root, ginkgo alkannin root and angelica, sequentially and respectively removing impurities, cleaning, drying and crushing, respectively adding water which is 3 times of the mass of each raw material, mixing and grinding, and respectively adding malic acid which is 30% of the mass of each raw material for acidification for 6 hours to obtain each acidified raw material;
(A2) adding yeast with the mass of 3% of the raw materials into the acidified raw materials, fermenting at 36 ℃ for 20 days, and filtering to obtain filtrate, namely the licorice root extract;
(2) preparing herba Centellae extract, herba Rosmarini officinalis extract and fructus Citri Limoniae extract
(B1) Respectively drying and crushing centella, rosemary and lemon to obtain fine powder of each raw material;
(B2) adding ethanol into the fine powder of each raw material in the step (B1) for the first time, performing reflux extraction at 70 ℃ for 2 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue of each raw material; adding ethanol into the first filter residue for the second time, performing heat preservation extraction at 60 ℃ for 3 hours, centrifuging, and filtering to obtain a second filtrate and a second filter residue of each raw material; mixing the first filtrate and the second filtrate of the raw materials, concentrating to remove ethanol, and filtering to obtain the centella extract, the rosemary extract and the lemon extract;
the volume concentration of ethanol added twice is 90 percent; the ratio of the mass of the raw material fine powder to the volume of the first ethanol addition is 1:14g/ml, and the ratio of the mass of the first filter residue to the volume of the second ethanol addition is 1:14 g/ml; the concentration is water bath concentration, and the temperature of the concentration is 52 ℃;
(3) preparing Lavender flower water and flos Jasmini sambac extract
(C1) Drying and pulverizing Lavender flower and flos Jasmini sambac respectively to obtain Lavender flower fine powder and flos Jasmini sambac fine powder;
(C2) adding distilled water into the lavender flower fine powder and the jasmine fine powder for the first time respectively, soaking, performing heat preservation extraction at 85 ℃ for 2 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue; respectively adding distilled water into the first filter residue for the second time, performing heat preservation extraction at 85 ℃ for 1h, centrifuging, and filtering to obtain a second filtrate and a second filter residue; mixing the first filtrate and the second filtrate, concentrating, and filtering to obtain lavender flower water and jasmine extract;
the mass ratio of the raw material fine powder to the first-time added distilled water is 1: 6; the mass ratio of the first filter residue to the second distilled water is 1: 6; the concentration is water bath concentration, and the temperature of the concentration is 95 ℃;
(4) preparing flos Matricariae Chamomillae extract, Scutellariae radix extract and rhizoma Polygoni Cuspidati extract
(D1) Taking chamomile, radix scutellariae and rhizoma polygoni cuspidati, respectively drying and crushing to obtain fine powder of each raw material;
(D2) adding distilled water into the raw material fine powder obtained in the step (D1) for the first time, soaking, performing reflux extraction at 65 ℃ for 2 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue of each raw material; adding distilled water into the first filter residue and the second filter residue of each raw material respectively, performing heat preservation extraction at 65 ℃ for 1h, centrifuging and filtering to obtain a second filtrate and a second filter residue of each raw material; mixing the first filtrate and the second filtrate, concentrating to remove distilled water, and filtering to obtain flos Matricariae Chamomillae extract, Scutellariae radix extract and rhizoma Polygoni Cuspidati extract;
the mass ratio of the raw material fine powder to the first-time added distilled water is 1: 10; the mass ratio of the first filter residue to the second distilled water is 1: 10; the concentration is water bath concentration, and the temperature of the concentration is 82 ℃;
(5) mixing butanediol, glycerol, sodium hyaluronate, trehalose, betaine, sodium citrate, hydrolyzed glycosaminoglycans and water, and then stirring and homogenizing in sequence to obtain a homogenized raw material; and adding the rest raw materials into the homogenized raw materials, uniformly stirring, subpackaging and homogenizing to obtain the skin moistening and tendering essence.
Example 3
The embodiment provides an essence for moistening and tendering skin, which comprises the following raw material components:
2 parts by weight of water, 1.05 parts by weight of butylene glycol, 0.75 part by weight of glycerin, 0.15 part by weight of trehalose, 0.75 part by weight of betaine, 2.05 parts by weight of lavender flower water, 1 part by weight of licorice root extract, 1.15 parts by weight of ginkgo alkanna tinctoria root extract, 1.05 parts by weight of centella asiatica extract, 1 part by weight of giant knotweed root extract, 0.75 part by weight of scutellaria baicalensis root extract, 0.3 part by weight of chamomile flower extract, 0.5 part by weight of rosemary leaf extract, 0.25 part by weight of lemon extract, 0.6 part by weight of jasmine extract, 0.35 part by weight of angelica sinensis extract, 0.55 part by weight of p-hydroxyacetophenone, 0.75 part by weight of hydrolyzed glycosaminoglycans, 0.2 part by weight of 1, 2-hexanediol, 0.45 part by weight of panthenol, 0.15 part by weight of dipotassium glycyrrhizinate, 1.5 part by weight of nicotinamide disodium EDTA, 0.3 part by weight of sodium hyaluronate, 0.15 part by.
Further, the preparation method of the essence for moistening and tendering skin comprises the following specific steps:
(1) preparing Glycyrrhrizae radix extract, radix Arnebiae extract and radix Angelicae sinensis extract
(A1) Taking licorice root, ginkgo alkannin root and angelica, sequentially and respectively removing impurities, cleaning, drying and crushing, respectively adding water which is 2.5 times of the mass of each raw material, mixing and grinding, and respectively adding malic acid which is 20% of the mass of each raw material for acidification for 6.5 hours to obtain each acidified raw material;
(A2) adding yeast 2% of the material mass into the acidified materials, fermenting at 37 deg.C for 25 days, and filtering to obtain filtrate, i.e. Glycyrrhrizae radix extract;
(2) preparing herba Centellae extract, herba Rosmarini officinalis extract and fructus Citri Limoniae extract
(B1) Respectively drying and crushing centella, rosemary and lemon to obtain fine powder of each raw material;
(B2) adding ethanol into the fine powder of each raw material in the step (B1) for the first time, performing reflux extraction at 65 ℃ for 2.5 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue of each raw material; adding ethanol into the first filter residue for the second time, performing heat preservation extraction at 55 ℃ for 4 hours, centrifuging and filtering to obtain a second filtrate and a second filter residue of each raw material; mixing the first filtrate and the second filtrate of the raw materials, concentrating to remove ethanol, and filtering to obtain the centella extract, the rosemary extract and the lemon extract;
the volume concentration of ethanol added twice is 80 percent; the ratio of the mass of the raw material fine powder to the volume of the first ethanol addition is 1:12g/ml, and the ratio of the mass of the first filter residue to the volume of the second ethanol addition is 1:12 g/ml; the concentration is water bath concentration, and the temperature of the concentration is 50 ℃;
(3) preparing Lavender flower water and flos Jasmini sambac extract
(C1) Drying and pulverizing Lavender flower and flos Jasmini sambac respectively to obtain Lavender flower fine powder and flos Jasmini sambac fine powder;
(C2) adding distilled water into the lavender flower fine powder and the jasmine fine powder for the first time respectively, soaking, performing heat preservation extraction at 82.5 ℃ for 3 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue; respectively adding distilled water into the first filter residue for the second time, performing heat preservation extraction at 82.5 ℃ for 1.5h, centrifuging, and filtering to obtain a second filtrate and a second filter residue; mixing the first filtrate and the second filtrate, concentrating, and filtering to obtain lavender flower water and jasmine extract;
the mass ratio of the raw material fine powder to the first-time added distilled water is 1: 5; the mass ratio of the first filter residue to the second distilled water is 1: 5; the concentration is water bath concentration, and the temperature of the concentration is 90 ℃;
(4) preparing flos Matricariae Chamomillae extract, Scutellariae radix extract and rhizoma Polygoni Cuspidati extract
(D1) Taking chamomile, radix scutellariae and rhizoma polygoni cuspidati, respectively drying and crushing to obtain fine powder of each raw material;
(D2) adding distilled water into the raw material fine powder obtained in the step (D1) for the first time, soaking, performing reflux extraction at 62.5 ℃ for 2.5 hours, centrifuging, and filtering to obtain a first filtrate and a first filter residue of each raw material; adding distilled water into the first filter residue and the second filter residue of each raw material respectively, performing heat preservation extraction at 62.5 ℃ for 1.5h, centrifuging and filtering to obtain a second filtrate and a second filter residue of each raw material; mixing the first filtrate and the second filtrate, concentrating to remove distilled water, and filtering to obtain flos Matricariae Chamomillae extract, Scutellariae radix extract and rhizoma Polygoni Cuspidati extract;
the mass ratio of the raw material fine powder to the first-time added distilled water is 1: 9; the mass ratio of the first filter residue to the second distilled water is 1: 9; the concentration is water bath concentration, and the temperature of the concentration is 81 ℃;
(5) mixing butanediol, glycerol, sodium hyaluronate, trehalose, betaine, sodium citrate, hydrolyzed glycosaminoglycans and water, and then stirring and homogenizing in sequence to obtain a homogenized raw material; and adding the rest raw materials into the homogenized raw materials, uniformly stirring, subpackaging and homogenizing to obtain the skin moistening and tendering essence.
Comparative example 1
The comparative example is different from example 3 only in that the raw material components of the comparative example do not contain the alkannin ginkgo root extract, and the other operations are the same as example 3.
Comparative example 2
The comparative example is different from example 3 only in that the raw material components of the comparative example do not contain the polygonum cuspidatum root extract, and the other operations are the same as example 3.
Comparative example 3
The comparative example is different from example 3 only in that the raw material components of the comparative example do not contain lemon extract, and the other operations are the same as example 3.
Comparative example 4
The comparative example is different from example 3 only in that the preparation method of the licorice extract in the raw material components of the comparative example is as follows: adding 5 times of water by mass into the liquorice in parts by weight, decocting for 2 hours, collecting filtrate and concentrating to obtain the liquorice extract; the other operations were the same as in example 3.
Examples of the experiments
Verification of moisturizing effect of essence obtained in example 3 and comparative examples 1 to 4
160 subjects with dry skin and water shortage are selected and divided into 5 groups according to age and sex, each group comprises 32 persons, namely an experimental group (corresponding to example 3) and a control group 1-4 (corresponding to comparative examples 1-4), the subjects use the corresponding test essence respectively, and the skin moisture content of the skin of each subject after each group of essence is used in different time periods is measured after one month (the test conditions are shown in table 1).
TABLE 1 test results of skin moisture content over time using the serum
| Time of day | Experimental group | Control group 1 | Control group 2 | Control group 3 | Control group 4 |
| 30min | 55.3％ | 30.1％ | 28.7％ | 33.4％ | 38.6％ |
| 60min | 50.4％ | 22.6％ | 23.7％ | 26.3％ | 26.4％ |
| 120min | 49.1％ | 15.6％ | 16.5％ | 21.4％ | 19.4％ |
| 240min | 44.6％ | 15.3％ | 15.4％ | 18.4％ | 15.2％ |
| 480min | 39.1％ | 15.1％ | 14.6％ | 15.4％ | 13.7％ |
The above results show that the essence disclosed in embodiment 3 of the invention has a remarkably improved moisture content and a lasting moisturizing effect, and shows that the essence disclosed in the invention can deeply nourish skin, durably moisturize skin and improve skin quality, the effect is obviously superior to that of the essences in control groups 1-3, and the removal of the alkanna tinctoria root extract, the polygonum cuspidatum root extract or the lemon extract from the essence results in a remarkably reduced moisturizing effect, which indicates that the alkanna tinctoria root extract, the polygonum cuspidatum root extract and the lemon extract have a synergistic effect and are absent from each other, and the moisturizing effect is achieved on skin together; in addition, the essence obtained in the control group 4 has much lower moisturizing and moisturizing effects than the essence obtained in the embodiment 3, which shows that only the licorice extract obtained by the preparation method described in the embodiment 3 of the present invention interacts with other components, so that the essence has better moisturizing and moisturizing effects.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The essence for moistening and tendering skin is characterized by comprising the following raw materials:
1-3 parts of water, 0.1-2 parts of butanediol, 0.5-1 part of glycerol, 0.1-0.2 part of trehalose, 0.5-1 part of betaine, 0.1-4 parts of lavender flower water, 0.5-1.5 parts of licorice root extract, 0.3-2 parts of bilobae alkanna tinctoria root extract, 0.1-2 parts of centella asiatica extract, 0.5-1.5 parts of polygonum cuspidatum root extract, 0.5-1 part of scutellaria baicalensis root extract, 0.1-0.5 part of chamomile flower extract, 0.2-0.8 part of rosemary leaf extract, 0.2-0.3 part of lemon extract, 0.5-0.7 part of jasmine extract, 0.2-0.5 part of angelica sinensis extract, 0.1-1 part of p-hydroxyacetophenone, 0.5-1 part of hydrolyzed glycosaminoglycans, 0.1-0.3 part of 1, 2-hexanediol, 0.1-0.8 part of panthenol, 0.1-0.2 part of dipotassium glycyrrhizinate, 1-2 parts of nicotinamide, 0.1-0.2 part of disodium EDTA, 0.1-0.5 part of sodium hyaluronate and 0.1-0.2 part of sodium citrate.
2. The essence for moisturizing and tendering skin according to claim 1, wherein the licorice root extract is prepared by the following method:
(A1) sequentially removing impurities from licorice root, cleaning, drying, crushing, adding water which is 2-3 times of the mass of the licorice root, mixing and grinding, adding malic acid which is 10-30% of the mass of the licorice root, and acidifying for 6-7h to obtain an acidified raw material;
(A2) adding yeast with the mass of 1% -3% of that of the licorice root into the acidified raw materials, fermenting for 20-30 days at 36-38 ℃, and filtering to obtain filtrate, namely the licorice root extract.
3. The essence of claim 1, wherein the centella asiatica extract is prepared by the following method:
(B1) drying and crushing centella to obtain fine centella powder;
(B2) adding ethanol into the fine powder of the centella asiatica in the step (B1) for the first time, performing reflux extraction at 60-70 ℃ for 2-3h, centrifuging, and filtering to obtain a first filtrate and a first filter residue; adding ethanol into the first filter residue for the second time, performing heat preservation extraction at 50-60 ℃ for 3-5h, centrifuging, and filtering to obtain a second filtrate and a second filter residue; and combining the first filtrate and the second filtrate, concentrating to remove ethanol, and filtering to obtain the asiatic pennywort herb extract.
4. The essence according to claim 3, wherein in step (B2), the volume concentration of ethanol added twice is 70-90%; the ratio of the mass of the centella fine powder to the volume of the ethanol added for the first time is 1:10-1:14g/ml, and the ratio of the mass of the first filter residue to the volume of the ethanol added for the second time is 1:10-1:14 g/ml; the concentration is water bath concentration, and the temperature of the concentration is 48-52 ℃.
5. The essence for moistening and tendering skin according to claim 1, characterized in that the lavender flower water is prepared by the following method:
(C1) drying and crushing lavender flowers to obtain lavender flower fine powder;
(C2) adding distilled water into the lavender flower fine powder for the first time, soaking, performing heat preservation extraction at 80-85 ℃ for 2-4h, centrifuging, and filtering to obtain a first filtrate and a first filter residue; adding distilled water into the first filter residue for the second time, performing heat preservation extraction at 80-85 ℃ for 1-2h, centrifuging, and filtering to obtain a second filtrate and a second filter residue; and combining the first filtrate and the second filtrate, concentrating and filtering to obtain the lavender flower water.
6. The essence for moisturizing and tendering skin as claimed in claim 5, wherein in the step (C2), the mass ratio of the lavender flower fine powder to the first-time added distilled water is 1:4-1: 6; the mass ratio of the first filter residue to the second addition of distilled water is 1:4-1: 6; the concentration is water bath concentration, and the temperature of the concentration is 85-95 ℃.
7. The essence for moistening and tendering skin according to claim 1, wherein the chamomile extract is prepared by the following method:
(D1) taking chamomile, drying and crushing to obtain chamomile fine powder;
(D2) adding distilled water into the fine powder of the mother chrysanthemum in the step (D1) for the first time, soaking, performing reflux extraction at 60-65 ℃ for 2-3h, centrifuging, and filtering to obtain a first filtrate and a first filter residue; adding distilled water into the first filter residue and the second filter residue, performing heat preservation extraction at 60-65 ℃ for 1-2h, centrifuging, and filtering to obtain a second filtrate and a second filter residue; and combining the first filtrate and the second filtrate, concentrating to remove distilled water, and filtering to obtain the chamomile flower extract.
8. The essence of claim 7, wherein in the step (D2), the mass ratio of the chamomile fine powder to the first distilled water is 1 (8-10); the mass ratio of the first filter residue to the second addition of distilled water is 1 (8-10); the concentration is water bath concentration, and the temperature of the concentration is 80-82 ℃.
9. The preparation method of the essence for moisturizing and tendering skin as defined in any one of claims 1-8, which is characterized by comprising the following specific steps:
mixing butanediol, glycerol, sodium hyaluronate, trehalose, betaine, sodium citrate, hydrolyzed glycosaminoglycans and water, and then stirring and homogenizing in sequence to obtain a homogenized raw material; and adding the rest raw materials into the homogenized raw materials, uniformly stirring, subpackaging and homogenizing to obtain the skin moistening and tendering essence.
10. The method of claim 9, wherein the two homogenization times are both 70-110 s.
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