CN114288305B - Skin repair composition and preparation method thereof - Google Patents

Skin repair composition and preparation method thereof Download PDF

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CN114288305B
CN114288305B CN202111617732.1A CN202111617732A CN114288305B CN 114288305 B CN114288305 B CN 114288305B CN 202111617732 A CN202111617732 A CN 202111617732A CN 114288305 B CN114288305 B CN 114288305B
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CN114288305A (en
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王俊婷
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Yuekang Yueliya Beijing Technology Co ltd
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Abstract

The invention particularly discloses a skin repair composition and a preparation method thereof. A skin repairing composition comprises (by weight) quercetin 1-3%, ceramide 5-15%, cholesterol 4-10%, fatty acid 2-4%, and organic amine 0.05-1%; the preparation method comprises the following steps: preparation of phase A: mixing quercetin, ceramide, cholesterol, fatty acid, organic amine, grease, emulsifier and thickener, and stirring; preparing a phase B: mixing water, regulator and sodium carboxymethyl cellulose, and stirring; blending: and (3) blending the phase A and the phase B in a vacuum environment, and homogenizing and stirring to obtain the product. The composition has the advantages of promoting skin wound healing, promoting skin repair and reducing skin allergy.

Description

Skin repair composition and preparation method thereof
Technical Field
The application relates to the field of skin repair, in particular to a skin repair composition and a preparation method thereof
Background
After some medical operations (such as laser treatment, tartaric acid skin changing, burn treatment, etc.), the skin of a patient is in a very sensitive and fragile state because of minimal trauma, and if the skin is not cared properly, external stimulation can also cause the skin to release inflammatory factors, so that the skin is red, swollen, itchy, and the like. And most of medical cosmetic operations leave wounds, and the wounds can be repaired within a certain time.
The existing nursing mode generally adopts a skin care product for moisturizing to be smeared on the surface of sensitive skin or ice compress to contract subcutaneous blood vessels, reduce blood flow, reduce vascular permeability and reduce exudation and edema of tissue fluid.
However, such treatment methods can only relieve the sensitive state of the skin, but cannot improve the sensitive state of the skin and promote skin repair.
Therefore, there is a need for an inventive composition that promotes repair of sensitive skin.
Disclosure of Invention
In order to protect wounds, accelerate wound healing and improve skin sensitivity, the application provides a skin repair composition and a preparation method thereof.
In a first aspect, the present application provides a skin repair composition, which adopts the following technical scheme:
a skin repairing composition comprises (by weight) quercetin 1-3%, ceramide 5-15%, cholesterol 4-10%, fatty acid 2-4%, and organic amine or organic ammonium salt 0.05-1%.
By adopting the technical scheme, the dosage ratios of the five components are respectively adjusted by selecting quercetin, cholesterol, ceramide, cholesterol, organic amine or organic ammonium salt. Therefore, the prepared composition can be used for promoting skin repair, accelerating skin wound healing and reducing scar generation. The skin rejuvenating composition also reduces skin sensitivity and skin redness, itching, molting caused by external irritants such as ultraviolet light, irritant solvents, and needle stick abrasion.
In several embodiments of the present application, quercetin may be used in an amount of 1wt%, 2wt%, 3wt%;
preferably, the weight percentage of quercetin is 2wt%.
In several embodiments herein, cholesterol may be used in an amount of 4wt%, 5wt%, 6wt%, 8wt%, 10wt%;
preferably, cholesterol may be used in an amount of 5wt%.
In several embodiments herein, the amount of ceramide may be 5wt%, 8wt%, 10wt%, 12wt%, 15wt%; preferably, the amount of ceramide may be 10wt%.
When the dosage of the quercetin is controlled to be 1-3wt%, the occurrence of inflammatory infection of wounds can be obviously reduced, when the dosage of the quercetin is less than 1wt%, the efficacy of the quercetin is not obvious, and when the dosage of the quercetin is excessive, such as more than 3%, the skin is easy to be sensitive.
When the quercetin and the ceramide are compounded for use, the skin repair can be promoted, the sensitive skin is improved, and the effects of promoting the skin wound healing and relieving the wound sensitivity of the composition can be further improved by adding cholesterol, fatty acid, organic amine or organic ammonium salt.
Preferably, the weight ratio of the quercetin to the ceramide is 2 (5-15).
More preferably, when quercetin is used in an amount of 2wt%, the amount of ceramide may be selected to be 5-15%.
In one embodiment of the present application, the quercetin is present in an amount of 2% by weight and the ceramide is present in an amount of 10% by weight.
Preferably, when the weight percentage of quercetin is 2%, the weight percentage of cholesterol is 4-10%.
In one embodiment of the present application, quercetin is present in an amount of 2wt% and cholesterol is present in an amount of 5wt%.
Preferably, the weight ratio of the ceramide, the cholesterol and the fatty acid is 10 (4-6) to (2-4).
More preferably, the weight ratio of ceramide, cholesterol and fatty acid is 10.
In one embodiment of the present application, the ceramide is present in the composition at 10% by weight, the cholesterol at 5% by weight, and the fatty acid at 3% by weight.
Preferably, the organic amine or organic ammonium salt has 8 or more carbon atoms.
Preferably, the organic ammonium salt is a quaternary ammonium salt having 10 or more carbon atoms.
Still more preferably, the organic ammonium salt is selected from: c8-C22Alkyl trimethyl ammonium chloride, C8-C22At least one of alkyl trimethyl ammonium bromide or polyquaternium.
More preferably, the organic ammonium salt is at least one of cetyltrimethylammonium chloride and octadecyltrimethylammonium chloride.
Preferably, the fatty acid is a free fatty acid having 12 to 28 carbon atoms.
Preferably, the skin repair composition further comprises 2-5% of an emulsifier, 0.1-0.3% of a thickener, 4-6.5% of a regulator, 0.1-1% of sodium carboxymethylcellulose and 5-10% of oil and fat in percentage by weight.
In one or more embodiments of the present application, the skin rejuvenation composition includes, by weight, 1-3% quercetin, 5-15% ceramide, 4-10% cholesterol, 2-4% fatty acid, 0.05-1% organic amine or organic ammonium salt, 2-5% emulsifier, 0.1-0.3% thickener, 4-6.5% regulator, 0.1-1% sodium carboxymethylcellulose, and 5-10% oil and fat.
By adopting the technical scheme, the emulsifier, the thickener, the regulator, the sodium carboxymethyl cellulose, the grease and the like are added into the composition, so that the shape of the composition can be improved, the composition is uniform and smooth in texture, high in stability and easy to store. After the regulator, the sodium carboxymethyl cellulose and the grease are added, the water loss of the composition is reduced, so that the composition can keep skin moist after being coated on the surface of the skin, the water loss of the skin is reduced, and the skin repair is promoted. The addition of the sodium carboxymethyl cellulose can improve the dynamic regulation of the composition on moisture, on one hand, the viscosity of the composition in the form of emulsion is improved, so that the adhesive force of the composition on the skin surface is improved, on the other hand, the composition and the regulator are matched with each other, so that the effect of free water in the composition can be dynamically regulated, and therefore, when a skin wound oozes tissue fluid, the skin wound can be absorbed in time, the wound environment is kept moist, and an environment is provided for wound repair. On the other hand, sodium carboxymethyl cellulose and a conditioning agent can release bound water when the surface of the composition loses water due to exposure, thereby reducing cracking of the composition due to surface drying.
Preferably, the skin repair composition consists of the following components in percentage by weight: 1-3% of quercetin, 5-15% of ceramide, 4-10% of cholesterol, 2-4% of fatty acid, 0.05-1% of organic amine or organic ammonium salt, 2-5% of emulsifier, 0.1-0.3% of thickener, 4-6.5% of regulator, 0.1-1% of sodium carboxymethylcellulose, 5-10% of grease and the balance of water.
More preferably, the skin repair composition comprises, by weight, 2% of quercetin, 10% of ceramide, 5% of cholesterol, 3% of fatty acid, 0.5% of organic amine or organic ammonium salt, 3% of emulsifier, 0.2% of thickener, 5.5% of regulator, 0.6% of sodium carboxymethylcellulose, 8% of grease and the balance of water.
Preferably, the emulsifier is at least one of polyglycerol-3 distearate, glycerol stearate and citric acid ester.
More preferably, the emulsifier is selected from polyglyceryl-3 distearate.
By adopting the technical scheme, at least one of polyglycerol-3 distearate, glycerol stearate and citric acid ester is selected as an emulsifier, so that an oil phase in the raw materials, such as quercetin, cholesterol and a ceramide water phase, such as water, and sodium carboxymethylcellulose are uniformly mixed to prepare an emulsion; and the prepared emulsion has uniform texture, can be stored for a long time and is not easy to separate.
Preferably, the thickener is a copolymer of hydroxyethyl acrylate and sodium acryloyldimethyl taurate.
Preferably, the regulator comprises xanthan gum, carbomer; wherein the weight ratio of the xanthan gum to the carbomer is 1.
More preferably, the weight ratio of xanthan gum to carbomer is 1
By adopting the technical scheme, the combination of the xanthan gum and the carbomer can improve the dispersibility and viscosity of each component in the composition, so that the layering of the composition is reduced, the carbomer has certain anti-inflammatory and antiviral effects, and the antibacterial capability after the combination is added is further improved, so that the skin inflammation condition is reduced.
After the xanthan gum and the carbomer are compounded in proportion, the composition also has the following effects
When the weight ratio of the xanthan gum to the carbomer is more than 1 and is 40-60, the obtained composition can remarkably accelerate the healing speed of the early wound healing period; and when the weight ratio of the xanthan gum to the carbomer is less than 1, the collagen can be used for promoting the healing of the later period of the wound, wherein the weight ratio of the xanthan gum to the carbomer is 40-60. By combining the two conditions, when the weight ratio of the xanthan gum to the carbomer is 1-60, the speed of the whole process of wound healing is accelerated more favorably.
In one embodiment of the present application, the weight ratio of xanthan gum, carbomer and sodium carboxymethylcellulose is 1.
More preferably, the weight ratio of the xanthan gum, the carbomer and the sodium carboxymethyl cellulose is 1.
The xanthan gum, the carbomer and the sodium carboxymethylcellulose are mixed according to a certain proportion and then added into the composition to form hydrogel, and the hydrogel can dynamically regulate free water in the composition. When the composition is applied to the surface of a wound and the wound exudes a large amount of tissue fluid in the early healing period, the hydrogel absorbs excessive tissue fluid, so that the effect of influencing the adhesion stability of the composition on the skin surface due to the excessive amount of the extravasated tissue fluid is reduced, and when the composition is applied for a long time and the outer side of the composition is dehydrated and dried, the hydrogel replenishes water to the exposed surface of the composition, so that the moisture and flexibility of the composition are maintained, and the cracking of the composition is reduced.
Preferably, the oil or fat is any one selected from caprylic triglyceride, capric triglyceride and squalane.
More preferably, the oil or fat is caprylic triglyceride.
Preferably, the thickener is a copolymer of hydroxyethyl acrylate and sodium acryloyldimethyl taurate.
In a second aspect, the present application provides a method for preparing a skin repair composition, which adopts the following technical scheme:
a method of preparing a skin rejuvenation composition comprising the steps of:
preparation of phase A: mixing quercetin, ceramide, cholesterol, fatty acid, organic amine salt, emulsifier, thickener and oil according to formula ratio, stirring and heating to 80-85 deg.C, and stirring at constant temperature for 15-20min;
preparation of phase B: blending the water, the regulator and the sodium carboxymethylcellulose according to the formula ratio, stirring and heating to 85-90 ℃, and stirring for 15-20min;
blending: mixing the A phase and the B phase under vacuum, homogenizing at 75-85 deg.C for 5-8min at a homogenizing speed of 45-50 times/min, and stirring to obtain the final product.
Preferably, the vacuum degree of the vacuum environment in the blending step is-0.03 MPa.
By adopting the technical scheme, the A phase and the B phase are respectively and uniformly mixed and then are blended and homogenized, so that the dispersibility of each effective component in the prepared emulsion is better, the stability of each component in the emulsion is better, and the prepared emulsion is not easy to layer.
In summary, the present application has the following beneficial effects:
1. by selecting quercetin, ceramide, cholesterol, fatty acid, organic amine or organic ammonium salt and limiting the dosage of the 5 raw materials, the prepared composition can promote wound healing, reduce skin sensitivity, protect skin and promote skin repair after being smeared on the surface of the skin.
2. By adding the regulator into the composition and limiting the dosage ratio of the xanthan gum to the carbomer in the regulator, the repair speed of the composition to wounds in different periods is improved, and the adhesiveness of the composition on the skin surface and the storage stability of the composition can be improved.
3. According to the preparation method, the phase A and the phase B are respectively and uniformly mixed, and then the phase A and the phase B are blended and homogenized, so that the dispersibility of each effective component in the prepared emulsion is better, the stability of each component in the emulsion is better, and the prepared emulsion is not easy to layer.
Detailed Description
The starting materials for this embodiment are all commercially available.
Quercetin, a 98% extract of Sophora japonica, quercetin, produced by biosciences, inc., of Simian Ashland.
Cholesterol, purchased from Merck, product number c8667.
The fatty acid, selected as Oleic acid (CAS number 112-80-1), was purchased from Ji Shanghai to Biochemical technology, inc.
Ceramide, commercially available from Jiangsu, xinjiang Biotechnology, inc.
An organic amine salt, selected as cetyltrimethylammonium chloride, was purchased from Merck.
The thickener is a copolymer of hydroxyethyl acrylate and sodium acryloyldimethyl taurate, which is a copolymer of hydroxyethyl acrylate sodium acryloyldimethyl taurate purchased from Gandong Gaoyang science and technology Limited.
And the grease is selected from caprylic triglyceride.
Polyglycerol-3 distearate was purchased from gayoto gaiche technologies ltd.
Glycerol stearate citrate was purchased from Simeiquan Biotech, inc. of Shenzhen.
The thickener was a copolymer of hydroxyethyl acrylate and sodium acryloyldimethyl taurate, purchased from sebick EMT10, france.
Xanthan gum was purchased from jungbunzlauer, switzerland.
Carbomer was purchased from carbomer 940, manufactured by shanghai aerial biotechnology, inc.
Sodium carboxymethylcellulose was purchased from food grade CMC (sodium carboxymethylcellulose) model FH9 manufactured by doupino food ingredients ltd, zhejiang.
A skin rejuvenation composition prepared by:
preparation of phase A: the preparation method comprises the following steps of blending quercetin, ceramide, cholesterol, oleic acid, hexadecyl trimethyl ammonium chloride, polyglycerol-3 distearate (or glyceryl stearate citrate serving as an emulsifier), hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer (serving as a thickening agent) and caprylic acid/capric acid triglyceride (serving as grease) according to formula ratio, stirring and heating to 82 ℃, then stirring at constant temperature for 18min, and stirring at the speed of 25 times/min.
Preparation of phase B: mixing water, regulator (xanthan gum and/or carbomer), and sodium carboxymethylcellulose, stirring, heating to 88 deg.C, and stirring for 18min at 25 times/min.
Blending: mixing the A phase and the B phase under the vacuum degree of-0.03 MPa, homogenizing at 80 deg.C at a homogenizing speed of 50 times/min for 6min, stirring at 25 times/min for 12min. And cooling to 45 ℃ to obtain the product.
Examples
The raw material formulation of examples 1-12 is shown in Table 1, and examples 1-12 were prepared using the above-described preparation method.
TABLE 1, examples 1-12 raw material ratios (g)
Figure BDA0003435483330000061
Note: the emulsifier is polyglycerol-3 distearate;
the thickening agent is a copolymer of hydroxyethyl acrylate and acryloyl dimethyl sodium taurate;
the oil is caprylic triglyceride;
the balance is the total weight of the system adjusted to 100g by water.
Comparative example
The raw material formulation of comparative examples 1 to 7 is shown in Table 2, and the production methods of comparative examples 1 to 7 are the same as those of the examples.
TABLE 2
Figure BDA0003435483330000062
Figure BDA0003435483330000071
Note: the emulsifier is polyglycerol-3 distearate;
the thickening agent is a copolymer of hydroxyethyl acrylate and acryloyl dimethyl sodium taurate;
the oil is caprylic triglyceride;
the balance is water for adjusting the total weight of the system to 100g;
means that the starting material is not added;
comparative example 4 was prepared by replacing quercetin with equal weight of kaempferol;
comparative example 7 is the replacement of cetyltrimethylammonium chloride with an equal weight of ethanolamine.
Performance test
1. Detection of wound healing promoting performance of skin repair composition
1.1 test animals: 8 week old rats, weighing 200 + -20 g, were randomly divided into 19 groups of 4 rats each, and the rats were housed in a single cage during the test period.
1.2 test methods
1.2.1 rat wound model construction: the back of the rat was shaved and skin prepared one day before molding using an animal shaver and animal shaving cream. On the day of modeling, the rats were anesthetized by intraperitoneal injection using 3% sodium pentobarbital at a dose of 45mg/kg of the body weight of the rats. The rat dorsal skin preparation area was disinfected with 75% medical alcohol. Then, holes are symmetrically formed on two sides of the back of the rat respectively, the diameter of each hole is 10mm, then the circular hole endothelium lower fascia layer is subtracted from the operation scissors and the operation forceps along the hole forming mark, the skin in the hole is peeled off, and sterile gauze is used for compression hemostasis.
1.2.2 rat wound administration: the day of molding was recorded as the test day 1, and the skin-repairing composition obtained in example or comparative example was applied to a wound on one side of the rat and recorded as the application side; the other side is marked as blank side without processing. Experimental days 3, 5, 7, 9, 11, 13 rats were dressing changes with skin repair compositions: the original composition was wiped off with tweezers and a cotton swab, the surface cleaned, and the skin repair composition reapplied.
1.3 test record: wound image acquisition and wound healing degree calculation
When changing dressings on the 5 th, 9 th and 13 th days of the experiment, the crust skin on the surface of the wound is uncovered, the wound is photographed, and the graduated scale is placed in the photographing picture. The wound area was calculated according to the scale readings taken in the picture.
The degree of wound healing is calculated according to the following formula:
degree of wound healing (%) = (S)1-Sn)/S1×100%;
Wherein S is1For the wound area in the first day of the experiment, SnThe area of the wound on the nth day of the experiment.
The results of the measurements are shown in Table 3
TABLE 3 test of the wound healing promoting Performance of the compositions of examples 1-12 and comparative examples 1-7
Figure BDA0003435483330000081
Note: mean wound healing the mean of the wound healing of four rats in the group was taken.
As can be seen from table 3, in combination with examples 1 to 3 and comparative examples 1 to 7, the skin wound healing can be effectively accelerated by adding quercetin, ceramide, cholesterol, fatty acid, and organic ammonium salt, and combining these 5 components, and particularly, when the amount of quercetin is 2%, the amount of ceramide is 10%, the amount of cholesterol is 5%, the amount of fatty acid is 3%, and the amount of organic ammonium salt is 0.5%, the skin healing composition has a particularly significant effect in promoting wound healing. In combination with comparative examples 1-5, it can be seen that the extent of wound healing is significantly reduced in the absence of any of the 5 components. When quercetin is replaced with kaempferol of equal weight, the composition has reduced wound repair promoting effect.
When the ratio of the dosage of the quercetin to the dosage of the cholesterol is 2-15, the composition has a remarkable effect on promoting wound healing, particularly when the dosage of the quercetin is 2%, the composition has a remarkable effect on promoting wound healing, and further when the dosage of the quercetin is 2%, the dosage of the cholesterol is 10%, the composition has a remarkable effect on promoting wound healing.
In combination with examples 2, 10, 11 and 12, it can be seen that the wound healing effect of the composition can be further optimized by adjusting the ratio of xanthan gum to carbomer in the composition, the healing speed of the wound healing in 0-5 days can be accelerated when the dosage ratio of xanthan gum to carbomer is increased, and the healing speed of the wound healing in 5-9 days and 9-13 days can be accelerated when the dosage ratio of xanthan gum to carbomer is decreased. By combining the two conditions, when the dosage ratio of the xanthan gum to the carbomer is 1; on day 13, the average degree of wound healing in the mouse could reach 92.5%.
In view of the above, the compositions of the present application, when used to promote wound healing, may be applied with a composition having a xanthan gum to carbomer ratio higher than 1.
In combination with example 2, comparative example 2 and comparative example 7, it can be seen that the repair speed of the skin repair composition on the wound can be accelerated by selectively adding the organic ammonium salt, and particularly, when the organic ammonium salt is selected to be quaternary ammonium salt with the carbon number of more than 8, for example, when the organic ammonium salt is selected to be hexadecyl trimethyl ammonium chloride, the effect of the skin repair composition on promoting wound healing can be remarkably improved.
2. anti-UV damage detection
2.1 test animals: 8 weeks old rats 44, 200 + -20 g in weight, were divided into 11 groups of 4 rats each. The backs of the rats were shaved and skin prepared using an animal shaver and animal shaving cream.
2.2 test methods: coating a skin repairing composition by taking rat vertebra as a central axis and one side as a treatment area; the other side is blank and is not processed. 11 groups of rats, to which the skin-repairing compositions obtained in examples 1 to 5 and comparative examples 1 to 7 were applied, respectively, were treated dailyIrradiating for 18 hours at 0.3J/cm2The skin condition of the back of the rat was observed on the sixth day after 5 consecutive days to check whether skin problems such as erythema, molting, and chapping occurred.
2.3 Experimental results are shown in Table 2
TABLE 4 Back injury in rats irradiated with UV light
Figure BDA0003435483330000091
Figure BDA0003435483330000101
In combination with the examples 1-5 and the comparative examples 1-7, the quercetin, ceramide, cholesterol, fatty acid, and organic ammonium salt can be used for reducing the damage of the skin caused by ultraviolet rays after being combined and proportioned, after the skin is irradiated by ultraviolet rays for 18 hours every day for 5 consecutive days, the back skin of the rat coated with the examples 1-5 has no other obvious change except for the darkening of the color, while the rats of the comparative examples 1-7 have different degrees of erythema, moulting cracking and the like. It is demonstrated that the skin rejuvenation composition prepared in this application has the effect of reducing the exposure of the skin to uv light.
3. Basophil degranulation inhibition capability test
3.1 Experimental animals
20 normal rabbits were treated by skin preparation on the backs of the rabbits.
3.2 construction of Rabbit allergy model
On the 0 th day of the experiment, 1ml of a 50wt% ovalbumin aqueous solution was injected subcutaneously into the back of the rabbit, and the injection was performed once more on the 2 nd and 4 th days of the experiment.
3.3 test methods
Preparation of the reagent:
EDTA Na solution: EDTA Na is dissolved in physiological saline, and the weight percentage of the EDTA Na in the EDTA Na solution is 0.1%.
Toluidine blue solution, toluidine blue was dissolved in 5% by weight of aluminum sulfate solution, and the toluidine blue was 0.8% by weight in the toluidine blue solution.
Before injection on the 0 th day of the experiment, the rabbit was punctured subcutaneously to take 2ml of blood, heparin was anticoagulated, serum was centrifugally separated (2000 r/min,30 min), 10. Mu.L of serum was taken and placed in a 37 ℃ incubator for 5min, then 40. Mu.L of EDTA Na solution and 50. Mu.L of toluidine blue solution were added dropwise, after shaking, the rabbit was placed in a 37 ℃ incubator for 40min, and then the rabbit was taken out for aspiration of cell sap, and a hemocyte counting plate was added dropwise, and the number of basophilic cells in 9 large cells was counted by low power microscope (10X 8) and recorded as a control group.
From the 3 rd day of the experiment, 19 rabbits were applied with the skin-repairing compositions obtained in examples 1 to 12 and comparative examples 1 to 7, respectively, and the composition applied on the previous day was wiped off every day, and the application was resumed, while another rabbit was a blank control without the application of the composition.
On the 18 th day of the experiment, 2ml of blood is obtained by subcutaneous puncture on the back of the rabbit, heparin is used for anticoagulation, serum is centrifugally separated (2000 r/min,30 min),
and (3) taking 10 mu L of serum, placing the serum in a 37 ℃ thermostat for standing for 5min, then dropwise adding 40 mu L of EDTA Na solution and 50 mu L of toluidine blue solution, placing the serum in the 37 ℃ thermostat for standing for 40min after oscillation, sucking cell sap, dropwise adding a blood counting plate, detecting by using a low-power microscope (10 multiplied by 8), counting the number of basophilic cells in 9 big grids, and marking as an experimental group.
3.4 evaluation of test results
Basophil degranulation re-fraction (%) = (number of basophils in control group-number of basophils in experimental group)/number of basophils in control group
The practical results are shown in the table
TABLE 5 Degranulation and Re-fraction of basophils in example 1 and comparative examples 1 to 4
Figure BDA0003435483330000111
Combining examples 1-12 with comparative examples 1-7, it can be seen that the basophil degranulation fraction after the skin repair composition is applied to the back of the allergic rabbit is significantly lower than that of comparative examples 1-7 and the blank example, which shows that the compositions prepared in examples 1-12 of the present application can reduce the skin sensitivity and reduce the occurrence of skin allergy. In examples 2, 10, 11 and 12 in which the ratio of xanthan gum to carbomer was adjusted, the basophil degranulation fraction of example 2 was 17.8%, indicating that the composition had the best effect of reducing skin irritation when the adjusting agent was a mixture of xanthan gum and carbomer, and the weight ratio of xanthan gum to carbomer was 1.
4. The anti-sensitivity capability detection test method comprises the following steps: 30 healthy volunteers without allergy history are recruited, the back skin of the volunteers is disinfected and divided into 8 experimental areas, and the area of each experimental area is 9cm2The skin repair compositions of example 2 and comparative examples 1-7 were applied to the cellulite-producing surface of 7 test areas of volunteers' backs after 5 minutes by puncturing the skin with a sterile intradermal needle and withdrawing the skin from the test areas, respectively, and the other test area was used as a blank control without any treatment.
And measuring the area of the wheal when the needle is punched for 5min, 10min and 30min, and calculating the reduction rate of the area of the wheal for 10min and 30 min.
Windage area reduction rate (%) = (S)0-Sn)/S0
Wherein,
S0the area of the wheal when the needle is pricked for 5 min;
Snthe area of the wheal when the needle is punctured for 10min or 30 min.
The test results are shown in Table 6
TABLE 6 Histamine test by acupuncture
Figure BDA0003435483330000121
It can be seen from example 2, comparative examples 1-7, and table 6 that the composition prepared by the present application can reduce skin sensitivity and accelerate the dissipation of wheal by selecting and blending quercetin, ceramide, cholesterol, fatty acid, and organic ammonium salt in a certain ratio.
The composition prepared by the application can be applied to sensitive skin after medical and art, reduces the probability of skin allergy, promotes volatilization of wounds in medical and art, and reduces symptoms such as skin redness and swelling and pruritus caused by postoperative skin sensitivity.
The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.

Claims (10)

1. The skin repair composition is characterized by comprising 1-3wt% of quercetin, 5-15 wt% of ceramide, 5wt% of cholesterol, 3wt% of fatty acid, 0.5 wt% of organic amine or organic ammonium salt, 3wt% of emulsifier, 0.2 wt% of thickener, 5.5 wt% of regulator, 0.6 wt% of sodium carboxymethylcellulose, 8wt% of grease and the balance of water; the regulator is a composition of xanthan gum and carbomer; wherein the weight ratio of the xanthan gum to the carbomer is 1.
2. The skin rejuvenation composition as defined in claim 1 wherein said organic amine or ammonium salt has 8 or more carbon atoms.
3. The skin rejuvenation composition as defined in claim 2 wherein said organic ammonium salt is a quaternary ammonium salt having 10 or more carbon atoms.
4. A skin rejuvenation composition according to claim 3 wherein said organic ammonium salt is selected from the group consisting of: c8-C22Alkyl trimethyl ammonium chloride, C8-C22At least one of alkyl trimethyl ammonium bromide or polyquaternium.
5. The skin rejuvenation composition as defined in claim 4 wherein said organic ammonium salt is at least one of cetyltrimethylammonium chloride and octadecyltrimethylammonium chloride.
6. The skin rejuvenation composition as claimed in claim 1 wherein said fatty acid is a free fatty acid having from 12 to 28 carbon atoms.
7. A skin rejuvenation composition as claimed in claim 1 wherein: the emulsifier is at least one of polyglycerol-3 distearate, glycerol stearate and citrate.
8. A skin rejuvenation composition as claimed in claim 1 wherein: the thickening agent is a copolymer of hydroxyethyl acrylate and sodium acryloyl dimethyl taurate.
9. A skin rejuvenation composition as claimed in claim 1 wherein: the oil is selected from caprylic triglyceride, capric triglyceride and squalane.
10. A method of preparing a skin rejuvenating composition as defined in any one of claims 1 to 9 which comprises: the method comprises the following steps:
preparation of phase A: blending quercetin, ceramide, cholesterol, fatty acid, organic amine salt, emulsifier, thickener and oil according to formula ratio, stirring and heating to 80-85 deg.C, and stirring at constant temperature for 15-20min;
preparation of phase B: mixing the water, the regulator and the sodium carboxymethylcellulose according to the formula ratio, stirring and heating to 85-90 ℃, and stirring for 15-20min;
blending: mixing the A phase and the B phase under vacuum, homogenizing at 75-85 deg.C for 5-8min at a homogenizing speed of 45-50 times/min, and stirring to obtain the final product.
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