CN111012707A - Oil-in-water no-wash hair care emulsion containing hemp seed oil composite preparation - Google Patents
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Abstract
The invention belongs to the field of daily chemicals, and particularly relates to an oil-in-water leave-in hair care emulsion containing a hemp seed oil composite preparation. The hair care cream of the invention contains the following components except essence, preservative, chelating agent and water: (A) higher fatty alcohol accounting for 1.0-20% of the hair care emulsion; (B) hair care grease accounting for 1.0-20% of the weight of the hair care cream; (C) lecithin type oil-in-water emulsifier accounting for 1.0-10% of the hair care emulsion; (D) a thickener in an amount of 0.1 to 3% by weight of the hair care cream; (E) hemp seed oil composite preparation accounting for 0.5-15% of the hair care emulsion; (F) the skin-friendly sodium hyaluronate accounts for 0.05 to 3.0 percent of the weight of the hair care cream, and the balance of water. The invention can effectively repair the barrier function of skin (scalp), relieve the skin and the scalp and has obvious effect of removing scalp pruritus and dandruff.
Description
Technical Field
The invention belongs to the field of daily chemicals, and particularly relates to an oil-in-water leave-in hair care emulsion containing a hemp seed oil composite preparation.
Background
Cannabis sativa (Cannabis sativa L., Hemp) is an annual plant of Moraceae, also known as Hemp, quebracho, etc., and is divided into three types for fiber, medicinal and seed. Has the planting in various places in China. Historical literature and ancient research data prove that China is the first region for planting and processing marijuana and has a history of more than 3000 years to date. Large hemp plays an important role in human history, and is an important raw material for manufacturing clothes, paper, food, ropes and the like. Cannabis is once prohibited from planting because it contains Tetrahydrocannabinol (THC), a characteristic psychoactive substance. In recent years, non-toxic Industrial Hemp (Industrial Hemp) has been cultivated successively in various countries, and in addition, the Industrial Hemp has come to be revived because of the importance of sustainable development of resources. Canada, australia, european union countries, russia and asian regions currently allow the growing of industrial hemp. Since cannabinols (Cannab inoids) is a unique class of chemical substances of the cannabis plant, Tetrahydrocannabinol (THC) is one of them, and THC is also a major source of psychotropic activity, a variety of cannabis with a THC content of less than 0.3% is internationally referred to as Industrial cannabis (Industrial Hemp), and a variety of cannabis with a THC content of more than 0.3% is referred to as pharmaceutical or psychotropic cannabis (M arijuana, Hashishi).
A cannabidiol CBD can be extracted from industrial cannabis sativa. In contrast to Tetrahydrocannabinol (THC), cannabidiolCBD not only has no obvious mental activity, but also can offset the mental (mental) activity brought by THC, and does not generate uneasy and dysphoric mood. The folium Cannabis extract such as crystalline CBD is powder, and is obtained from industrial Cannabis sativa and contains 99% purity CBD of cannabidiol. According to the literature, CBD has a remarkable medical benefit, relieves the problems of inflammation, pain, anxiety and the like, acts in the human body by attaching to a receptor, and the human body itself has an endocannabinoid system (ECS) which contributes to the regulation of sleep, the reaction of the immune system and pain and the like, and the endocannabinoid system of the human body itself can receive and convert signals from cannabinoids, thereby enabling CBD to act in the human body. In addition, research and application of industrial hemp is well established in countries where industrial hemp was developed earlier, such as the united states, and many cosmetics containing hemp leaf extract, hemp seed oil and CBD are present. The hemp leaf extract has good effects of relieving, caring skin, relieving muscle pain, removing scar, caring scalp, preventing alopecia, caring hair, etc. Even some large brand foreign cosmetic companies believe that CBD will become one of the most important trends in the future personal care product market. In fact, foreign research institutions such as arslald have long studied about the relationship between the human endocannabinoid system and CBD and developed CBD-like materials for the development of personal care products. CBD headers to yeast products' natural catalytic production to main the efficacy of the therapeutics and the optimal function of the endogenous catalytic system9.
The industrial hemp can be extracted from hemp seed oil, hemp leaf extract, etc. according to the parts, wherein the hemp (CANNABIS SATIVA) leaf extract, the hemp (CANNABIS SATIVA) seed oil, and the hemp (CANNABIS SATIVA) kernel fruit are listed in the 2015 cosmetic materials used in china.
Disclosure of Invention
The invention aims to provide an oil-in-water no-wash hair care emulsion, and particularly relates to an oil-in-water no-wash hair care essence containing a hemp seed oil composite preparation.
The invention relates to an oil-in-water no-wash hair care emulsion containing a hemp seed oil composite preparation, which comprises the following components in addition to water:
(A) the higher fatty alcohol accounts for 1.0-20% of the weight of the hair care emulsion, the higher fatty alcohol is a mixture of C16-18 alcohol and C22 alcohol, and the C16-18 alcohol and the C22 alcohol are formed in a weight ratio of 1: 1;
(B) hair care grease accounting for 1.0-20% of the weight of the hair care emulsion, wherein the hair care grease is non-volatile, is liquid grease at normal temperature, and is selected from the following components: one of triheptanoin, tricaprylin, tricaprin, triolein, sweet almond oil, coconut oil, olive oil, nut oil, safflower oil, canola oil, isopropyl myristate, isopropyl palmitate, isocetyl stearate, ethyl oleate, isooctyl isostearate, butyl myristate, butyl stearate, isooctyl palmitate, isooctyl cocoate, glyceryl caprylate caprate, diisoamyl sebacate, octyldodecanol, oleyl alcohol, isostearyl alcohol, isostearic acid, mineral oil, propylene glycol dicaprylate/dicaprate, C12-15 alkyl benzoate, isoamyl laurate, and isopropyl lauroyl sarcosinate; the invention preferably selects the isoamyl laurate,
(C) 1.0-10% of lecithin type oil-in-water emulsifier in the weight of the hair care emulsion, wherein the lecithin type oil-in-water emulsifier is a mixture of hydrogenated lecithin and enzymatic lecithin, and the ratio of the hydrogenated lecithin to the enzymatic lecithin is 1: 2-2; 1 in a weight ratio;
(D) the thickener accounts for 0.1 to 3 percent of the weight of the hair care emulsion, and is hydroxyethyl cellulose;
(E) a hemp seed oil composite formulation comprising from 0.5% to 15% by weight of the hair care emulsion, the hemp seed oil composite formulation being a micro emulsion and consisting of:
hemp (CANNABIS SATIVA) seed oil 5-20% by weight of the hemp seed oil complex formulation;
a CANNABIS SATIVA (CANNABIS SATIVA) leaf extract in an amount of 0.1-10% by weight of the CANNABIS SATIVA seed oil combination;
herba Agastaches (POGOSTEMON CABLIN) extract 0.1-5 wt% of the hemp seed oil composite preparation;
emulsifier compound accounting for 0.5-5% of the weight of the hemp seed oil compound preparation; the emulsifier compound is a mixture of polyoxyethylene (4) sorbitol monostearate, sorbitan monostearate and dextrin palmitate, and the polyoxyethylene (4) sorbitol monostearate, the sorbitan monostearate and the dextrin palmitate are in a weight ratio of 1:1: 5;
0.1-10% of hydrolyzed corn starch by weight of the hemp seed oil composite preparation, wherein the hydrolyzed corn starch contains 55-59% of maltotetraose;
phenoxyethanol accounting for 0.5-1% of the weight of the hemp seed oil composite preparation;
glycerol accounting for 10-30% of the weight of the hemp seed oil composite preparation;
and the balance of water.
(F) Skin-friendly sodium hyaluronate accounting for 0.05-3.0% of the weight of the hair care cream;
and the balance of water.
In the present invention, the non-volatile liquid oil is preferably selected from isoamyl laurate.
The oil-in-water leave-in hair care emulsion disclosed by the invention is characterized in that the enzymolysis lecithin is single fatty acid chain phosphatidylcholine, and the molecular structural formula of the unsaturated acyl chain lecithin is as shown in a formula I:
the oil-in-water leave-in hair care cream comprises a hemp seed oil composite preparation which is a micro-emulsion, and the particle size of the micro-emulsion is 0.1-1 mu m.
The oil-in-water leave-in hair care cream of the invention, wherein the skin-friendly sodium hyaluronate is cation HATMClear, which is obtained by complexing sodium hyaluronate with a cationic polymer, wherein the sodium hyaluronate is a mixture of high, medium and low three different molecular weights, the content of low-molecular sodium hyaluronate is 1-5 wt%, the content of medium-molecular sodium hyaluronate is 0.01-1 wt%, and the content of high-molecular sodium hyaluronate is highThe content of the molecular sodium hyaluronate is 0.01-1 percent by weight.
The invention relates to an oil-in-water leave-in hair care emulsion, wherein a hemp seed oil composite preparation is a micron emulsion (made by LagrangyRelieveComplex 6+ skin-soothing and purifying technology) which is composed of 6 active ingredients of hemp (Cannabis SATIVA) seed oil, hemp (Cannabis SATIVA) leaf extract, patchouli (Pogostemon CABLIN) extract, emulsifier, hydrolyzed corn starch, phenoxyethanol, glycerol and the like.
Advantageous effects of the invention
The invention relates to an oil-in-water no-wash hair care emulsion which contains a hemp seed oil composite preparation (a labrafin)
allergyRelieveComplex 6+ skin soothing and purifying technology), can effectively repair the barrier function of the skin (scalp), soothes the skin and the scalp, and has obvious removing effect on scalp pruritus and dandruff.
Drawings
Fig. 1 is a graph showing the results of an experiment for improving barrier function of the scalp using the present invention, wherein the left side of the graph is before using the present product,
the right panel in the figure shows the product after 30 days of use.
Detailed Description
The selection and action of the components of the present invention will be described in detail below.
The oil-in-water leave-on hair care cream comprises 1.0-20% of higher fatty alcohol based on the weight of the hair care cream, wherein the higher fatty alcohol is a mixture of C16-18 alcohol and C22 alcohol, the C16-18 alcohol and the C22 alcohol are in a weight ratio of 1:1, and the C16-18 alcohol and the C22 alcohol play a role in system stabilization and scalp nourishing in the oil-in-water leave-on hair care cream.
The oil-in-water no-clean hair care emulsion disclosed by the invention contains hair care grease accounting for 1.0-20% of the weight of the hair care emulsion, wherein the hair care grease is non-volatile, is liquid grease at normal temperature and is selected from the following components: glyceryl triheptanoate, glyceryl trioctoate, glyceryl tridecanoate, glyceryl trioleate, glyceryl trilinoleate, sweet almond oil, coconut oil, olive oil, nut oil, safflower oil, canola oil, isopropyl myristate, isopropyl palmitate, isocetyl stearate, ethyl oleate, isooctyl isostearate, butyl myristate, butyl stearate, isooctyl palmitate, isooctyl cocoate, glyceryl caprylate caprate, diisoamyl sebacate, octyldodecanol, oleyl alcohol, isostearyl alcohol, isostearic acid, mineral oil, propylene glycol dicaprylate/dicaprate, C12-15 alkyl benzoate, isoamyl laurate, isopropyl lauroylsarcosine the present invention prefers isoamyl laurate, which is a polar oil, is not greasy, has skin-filming properties, therefore, the hair cream can moisten and moisten the hair and make the hair moist, full and glossy. The isoamyl laurate accounts for 1.0 to 20 percent of the weight of the hair care cream.
The oil-in-water leave-in hair care emulsion disclosed by the invention contains 1.0-10% of lecithin type oil-in-water emulsifier, wherein the lecithin type oil-in-water emulsifier is a mixture of hydrogenated lecithin (shown in a formula II) and enzymolysis lecithin (shown in a formula I), and the enzymolysis lecithin is single fatty acid chain phosphatidylcholine which is unsaturated acyl chain lecithin (shown in a molecular structural formula in a figure 1); the lecithin type oil-in-water emulsifier has a hydrogenated lecithin HLB value of 9-11, and the ratio of hydrogenated lecithin to enzymatic lecithin is 1: 2-2; 1, in a weight ratio.
The emulsified body structure formed by the lecithin oil-in-water emulsifier is similar to a skin cell bilayer membrane structure, has very mild property, and plays a role in synergistically promoting the active ingredients of the lecithin oil-in-water emulsifier to be wrapped and play a role in the efficacy.
The oil-in-water leave-in hair care cream disclosed by the invention contains a thickening agent, plays a role of stabilizing a system, and is hydroxyethyl cellulose, wherein the hydroxyethyl cellulose accounts for 0.1-3% of the weight of the hair care cream.
The oil-in-water no-wash hair care cream comprises a hemp seed oil composite preparation, wherein the hemp seed oil composite preparation accounts for 0.5-15% of the weight of the hair care cream. The compound preparation is a microemulsion with particle size of 0.1-1 μm, and is translucent to milky liquid with density of 0.9710-0.9820 at 20 deg.C and pH of 6.5-7.0, and is prepared from hemp seed oil, hemp leaf extract, herba Agastaches extract, emulsifier complex, hydrolyzed corn starch, phenoxyethanol, glycerol and water.
The hemp seed oil composite preparation is a micron emulsion and is a carrier of active ingredients such as hemp leaf extract, wherein the hemp (CANNABIS SATIVA) seed oil accounts for 5-20% of the weight of the hemp seed oil composite preparation; the content of folium Cannabis (Cannabis sativa) extract in the composite preparation is 0.1-10 wt%; herba Agastaches extract is cb2-skin produced by Arshland company, and is a mixture of folium Agastaches (Pogostemon CABLIN) extract and octyl lauryl alcohol, and accounts for 0.1-5% of the weight of the hemp seed oil composite preparation; the emulsifier compound accounts for 0.5-5% of the weight of the hemp seed oil composite preparation, the emulsifier compound is a mixture of polyoxyethylene (4) sorbitol monostearate, sorbitan monostearate and dextrin palmitate, and the polyoxyethylene (4) sorbitol monostearate, the sorbitan monostearate and the dextrin palmitate are in a weight ratio of 1:1: 5; the hydrolyzed corn starch accounts for 0.1-10% of the weight of the hemp seed oil composite preparation, and the hydrolyzed corn starch contains 55-59% of maltotetraose; the phenoxyethanol accounts for 0.5-1% of the weight of the hemp seed oil composite preparation; the weight of the glycerol accounts for 10-30% of the weight of the hemp seed oil composite preparation; and the balance of water.
The oil-in-water leave-on hair conditioner contains the skin-friendly sodium hyaluronate which accounts for 0.05 to 3.0 percent of the weight of the hair conditioner, and the skin-friendly sodium hyaluronate is cationic HATMClear cation modified sodium hyaluronate is obtained by complexing sodium hyaluronate through a cation polymer, wherein the sodium hyaluronate is a mixture of high, medium and low three different molecular weights, the low molecular weight sodium hyaluronate content is 1-5 wt%, the medium molecular weight sodium hyaluronate content is 0.01-1 wt%, and the high molecular weight sodium hyaluronate content is 0.01-1 wt%.
The invention relates to an oil-in-water leave-in hair care emulsion, wherein a hemp seed oil composite preparation is a micron emulsion (made by LagrangyRelieveComplex 6+ skin-soothing and purifying technology) which is composed of 6 active ingredients of hemp (Cannabis SATIVA) seed oil, hemp (Cannabis SATIVA) leaf extract, patchouli (POGOSTEMON CABLIN) extract, emulsifier, hydrolyzed corn starch, phenoxyethanol, glycerol and the like.
The oil-in-water leave-in hair care emulsion containing the hemp seed oil composite preparation can also comprise other optional components, such as viscosity regulators, chelating agents, pH regulators, preservatives, pigments, spices and the like. The viscosity modifier is 0.1% to 5.0% by weight of the composition, non-limiting examples of which are: sodium chloride, ammonium chloride, monoethanolamine chloride, sodium sulfate, ammonium phosphate, hydroxyethyl cellulose, hydroxypropyl cellulose, copolymers of acrylic acid and long-chain alkyl methacrylate, acrylate/stearyl ether-20/methacrylate copolymers, methylglucoside polyoxyethylene ether (120) dioleate, and the like. The chelating agent is present in an amount of 0.01% to 0.30% by weight of the composition, non-limiting examples of which are: ethylenediaminetetraacetic acid, disodium ethylenediaminetetraacetate, trisodium ethylenediaminetetraacetate, tetrasodium ethylenediaminetetraacetate, etc., preferably disodium ethylenediaminetetraacetate; non-limiting examples of such pH adjusting agents are: citric acid, phosphoric acid, etc., preferably citric acid, and adjusting the pH of the system to 5.0 to 8.0, preferably 6.0 to 7.0; the selection of the preservative, the essence and the pigment meets the regulation of the cosmetic hygiene standard, and safe raw materials are selected.
The leave-on hair care cream of the invention is supplemented with water to the required amount in addition to the components described above.
Introduction to efficacy of active substances
The hemp (CANNABIS SATIVA) seed oil is plant oil obtained by squeezing and extracting hemp seeds, substances with remarkable mental action in the hemp plant are not present in the hemp seed oil, the content of polyunsaturated fatty acids (FUFAs) in the hemp seed oil is more than 80%, wherein omega-6 is omega-3 is more than and the ratio of the fatty acids is :1, which is the ideal ratio of human biological fatty acids , the hemp seed oil also contains Y-linolenic acid and abundant tocopherol and various phytosterols (such as β -sitosterol) with anti-inflammatory and antibacterial effects, the hemp seed oil contains three tocopherols which have important antioxidant functions, wherein gamma-tocopherol content is the highest, the polyunsaturated fatty acids (FUFAs) in the hemp seed oil have strong skin penetrating capacity, and the hemp seed oil has better treatment effect on atopy symptoms (23 th month in 2008), the hemp seed oil has good skin absorption, anti-aging effect, anti-inflammatory and anti-aging effect, and anti-itch effect on scalp, and scalp skin aging effect is improved, and the invention does not contain CANNABIS-SATIVA, and anti-inflammatory and anti-itch-aging effect, thereby the invention does not contain CANNABIS.
The invention relates to a CANNABIS SATIVA (CANNABIS SATIVA) leaf extract, the active ingredient of which consists of cannabinoids mainly comprising cannabidiol CBD, the CANNABIS SATIVA (CANNABIS SATIVA) leaf extract can be used according to the weight percentage difference of the CBD, the CANNABIS SATIVA leaf extract containing 0.5-99% of CBD is further optimized to be the CANNABIS SATIVA leaf extract containing 1-30% of CBD, and the CANNABIS SATIVA leaf extract containing 99% of CBD oil is in powder form. The hemp leaf extract is an active component extracted from industrial hemp sources, and the THC content in the extract is less than or equal to 0.3 percent or does not contain THC. The extract of folium Cannabis SATIVA (Cannabis SATIVA) has many application values, and has effects of resisting oxidation, inflammation, relieving allergy, and relieving pain. The principle of action, the human body itself has the endocannabinoid system (ETS) and plays a role in regulating the function of the body and maintaining the health of the body, but the human body's endocannabinoid system is attenuated as it ages. The extract of the leaves of Cannabis SATIVA (Cannabis SATIVA) has effects of resisting oxidation, relieving pain, relieving inflammation, resisting bacteria, and resisting sensitivity by attaching to receptor. The hemp leaf extract has the functions of resisting oxygen, resisting allergy, diminishing inflammation, resisting bacteria, eliminating dandruff, strengthening skin barrier function, relieving skin prickling, pruritus and other symptoms.
The patchouli extract is a mixture of patchouli (pogostmon CABLIN) leaf extract and octyl lauryl alcohol, can activate the cannabinoid system of a human body, and has the function of relieving the skin (scalp) by matching the patchouli (pogostmon CABLIN) leaf extract with the CANNABIS SATIVA (CANNABIS SATIVA) leaf extract. The herba Agastaches has tranquilizing, nourishing, astringent, antiinflammatory, antibacterial, wound healing promoting, and deodorant effects. The most characteristic is the functions of gathering together, promoting wound scarring, preventing inflammation, promoting cell metabolism, strengthening the central system, balancing depression and the like.
Hydrolyzed corn starch, which is a plant source containing 55-59% Maltotetraose (Maltotetraose). The maltotetraose has the characteristics of moisturizing and film forming, shielding sensitive substances and improving pruritus.
The skin-friendly sodium hyaluronate is cation modified sodium hyaluronate, contains three different molecular weights of high, medium and low, can better have good affinity, permeability repairing property and surface repairing property with scalp and hair with lipid characteristics, and has good protection effect on the scalp and the hair.
The preparation method comprises the following steps:
the invention relates to a hemp seed oil composite preparation, which is a micro-emulsion containing hemp leaf extract, and the preparation method comprises the following steps: 1) mixing appropriate amount of hemp (Cannabis SATIVA) seed oil, hemp leaf extract, herba Agastaches (Pogostemon CABLIN) leaf extract, and octyl lauryl alcohol, stirring, and heating to 45-50 deg.C for dissolving; 2) adding appropriate amount of polyoxyethylene (4) sorbitan monostearate, sorbitan monostearate and dextrin palmitate, hydrolyzed corn starch, phenoxyethanol and glycerol into appropriate amount of water, stirring, heating to 50-60 deg.C for dissolving, and dispersing; 3) adding the step 1) into the step 2), stirring and homogenizing for 3-5 minutes, and cooling to 38-40 ℃ for later use; 4) homogenizing the emulsion obtained in the step 3) by a Niro Soavi APA high-pressure homogenizing agent device, and circularly homogenizing for 2-3 times to obtain the semi-transparent to milky emulsion with the particle size of 0.1-1 mu m.
The invention relates to a preparation method of an oil-in-water no-clean hair care emulsion containing a hemp seed oil composite preparation, which comprises the following steps: the shampoo compositions of the present invention may be prepared by any known or otherwise effective technique suitable for providing shampoo compositions, including conventional formulation and mixing techniques, wherein the hemp seed oil complex formulation is added while waiting for the temperature of the hair care emulsion system to drop below 50℃, and is stirred slowly until fully dispersed.
Application method
The hair care cream is used in a conventional way of caring scalp and hair, does not need to be washed off, and mainly comprises the following steps:
examples
The following are non-limiting examples of hair creams according to the invention. These examples are given solely for the purpose of illustrating the invention and are not to be construed as limitations of the invention, as many variations thereof are possible without departing from the spirit and scope of the invention. In the examples, all concentrations are in weight percent unless otherwise specified. The term "minor substances" is used to refer to optional substances such as preservatives, viscosity modifiers, pH modifiers, perfumes, colorants, and the like, the choice of which minor substances will vary depending upon the physical and chemical characteristics selected to make a particular composition of the present invention.
Preparation examples I to X
A suitable method for preparing the oil-in-water leave-in hair care emulsions described in examples I-X (see Table 1) is as follows: 1) adding appropriate amount of water into a reaction tank, adding hydroxyethyl cellulose under slow stirring, and adding lecithin oil-in-water emulsifier**The skin-friendly sodium hyaluronate is evenly stirred and heated to 60-70 ℃ for dispersion and dissolution for standby; 2) adding a proper amount of higher fatty alcohol and isoamyl laurate into an oil pan, heating to 60-70 ℃ for dissolving, and reserving for later use, 3) adding the step 2) into the step 1) under stirring, stirring and homogenizing, 4) reducing the temperature of the step 3) to 45 ℃, then adding the prepared hemp seed oil composite preparation (micron emulsion) under stirring, 5) cooling to 38 ℃, discharging and filling.
Examples I-V Table 1
Examples VI to X
Best mode for carrying out the invention Table 2
Blank control example-Table 3
The higher fatty alcohol is C16-18 alcohol and C22 alcohol, and the C16-18 alcohol and the C22 alcohol are in a weight ratio of 1: 1; the lecithin type oil-in-water emulsifier is a mixture of hydrogenated lecithin and enzymolysis lecithin, and the weight ratio of the hydrogenated lecithin to the enzymolysis lecithin is 1: 1;
the skin-friendly sodium hyaluronate is Huaxi organism cation HATM-Clear cationic modified sodium hyaluronate;
****in examples I-X, the hemp seed oil composite preparation (Rafang Anti-Irritant complete 6+ skin soothing and purifying technology) comprises the following components in percentage by weight: contains 16% of hemp (Cannabis SATIVA) seed oil, 8% of hemp leaf extract (CBD content 24%), 4% of herba Pogostemonis extract (mixture of herba Pogostemonis (Pogostemon CABLIN) leaf extract and octyl lauryl alcohol), 4% of emulsifier complex (mixture of polyoxyethylene (4) sorbitol monostearate, sorbitan monostearate and dextrin palmitate, and polyoxyethylene (4) sorbitol monostearate, sorbitan monostearate and dextrin palmitate at a weight ratio of 1:1: 5), 8% of hydrolyzed corn starch, 0.8% of phenoxyethanol, 24% of glycerol and the balance of water.
The detection standard of the oil-in-water no-clean hair care cream containing the hemp seed oil composite preparation conforms to the national standard GB/T29665 skin care cream, and the detailed description is shown in Table 4.
TABLE 4 sensory, physicochemical, hygienic indicators
The results in table 4 show that various physical and chemical indexes of the oil-in-water no-clean hair care emulsion containing the hemp seed oil composite preparation are qualified, and the emulsion system has better stability, so that the oil-in-water no-clean hair care emulsion is beneficial to exerting the care effect.
Clinical market adjustment:
the clinical market for scalp pruritus, scalp inflammation and dandruff (see tables 5 and 6)
Test samples the best example of the present invention, comparative control example (no cannabis oil complex formulation active ingredient) was used.
Personnel: 24 volunteers who need to have hairs are selected from a database of efficacy testing population, usually have itching symptoms of different degrees of scalp and accompanied with red pimple (pimple), symptoms of oily hair and dandruff, and before the product is tried, sensory evaluation and hair image evaluation are carried out on the scalp of a patient to ensure that the volunteers meet the requirements of the test.
The 24 volunteers were divided into two groups of 12 persons, each group corresponding to the samples of the best example of the invention (table 2) and the comparative example of the invention (table 3), respectively, and were continuously used (samples were used according to daily frequency of use). During the trial, skin itching and dandruff were recorded separately and were assessed and scored as a composite with day 7, day 15 and day 30, respectively, see tables 5 and 6.
The volunteers are scored 1, 2, 3, 4 and 5 before and after use, the higher the score is, the better the effect is,
1-2: invalid, evaluation of the condition of head itching was performed after each shampooing. The scalp itching and dandruff condition were the same as before use.
2-3: effectively, evaluation of the itching condition of the head is carried out after each shampoo. The scalp itching and dandruff condition is improved.
3-5: the shampoo has obvious effect, and the condition of head itching is evaluated after each shampoo. The itching condition of the scalp is obviously improved, the pimple (pimple) of the scalp is obviously reduced, and the dandruff is reduced along with the pimple.
Volunteer sensory evaluation after use of the best mode of the invention (see Table 2) -Table 5
Volunteer sensory evaluation after use of comparative examples according to the invention (see Table 3) -Table 6
The statistical results in tables 5 and 6 show that the percentage of significant effect after 30 days using the best example of the present invention was 58%, which is significantly higher than the number of significant persons (15%) in the blank control example (containing no active ingredient of the hemp seed oil complex formulation), and that the statistics show that most of the human scalp pimples (pimples) disappeared. The invention proves that the oil-in-water no-wash hair care cream containing the hemp seed oil composite preparation has obvious using effects on scalp pruritus, scalp inflammation and dandruff.
Instrumental testing
Scalp Barrier function improvement experiment (see FIG. 1)
Skin physiological index detector adopting DermaLab Cortex
Testing parts: forehead (head)
The test principle is as follows: the physiological indexes of the skin at the forehead part and the scalp are very close, and the physiological indexes of the scalp are simulated by using the physiological indexes of the skin at the forehead part before and after the product.
And (3) testing a product: best mode for carrying out the invention (Table 2) VS blank control example (Table 3)
By testing the ultrasonic images of the skin on the same forehead before and 30 days after using the product, the density echo images of different substances in the skin are observed, wherein yellow/white represents a high-density echo zone, and a dark zone (without ultrasonic density echo zone) represents structures such as fat, water and blood). The higher density of the same image area represents the better barrier function of the skin (scalp).
The ultrasonic image discovers that: table 2, which is the best mode for carrying out the present invention, images of the forehead fixing part before the best mode for carrying out the present invention is used (left side of fig. 1) and after the best mode for carrying out the present invention is used for 30 days (right side of fig. 1) are recorded, and it is observed that the skin density of the forehead part is obviously increased after the product of the present invention is used for 30 days, which shows that the barrier function of the skin (scalp) is enhanced after the product of the present invention is used. In the same way, no significant differences were observed after 30 days using the samples of the present blank control example-table 3 (without the "hemp seed oil complex formulation").
Claims (5)
1. A leave-on hair care cream containing hemp seed oil composite preparation comprises the following components except essence, preservative, chelating agent and water:
(A) higher fatty alcohol accounting for 1.0-20% of the hair care emulsion, wherein the higher fatty alcohol consists of C16-18 alcohol and C22 alcohol, and the weight ratio of the C16-18 alcohol to the C22 alcohol is 1: 1;
(B) hair care grease accounting for 1.0-20% of the weight of the hair care emulsion, wherein the hair care grease is nonvolatile, is liquid grease at normal temperature, and is selected from the following components: glycerol triheptanoate, glycerol trioctanoate, glycerol tricaprate, glycerol trioleate, glycerol trilinoleate, sweet almond oil, coconut oil, olive oil, nut oil, safflower oil, canola oil, isopropyl myristate, isopropyl palmitate, isocetyl stearate, ethyl oleate, isooctyl isostearate, butyl myristate, butyl stearate, isooctyl palmitate, isooctyl cocoate, glyceryl caprylate caprate, diisoamyl sebacate, octyldodecanol, oleyl alcohol, isostearyl alcohol, isostearic acid, mineral oil, propylene glycol dicaprylate/dicaprate, C12-15 alkyl benzoate, isoamyl laurate, isopropyl lauroyl sarcosinate;
(C) 1.0-10% of lecithin type oil-in-water emulsifier in the weight of the hair care emulsion, wherein the lecithin type oil-in-water emulsifier is a mixture of hydrogenated lecithin and enzymatic lecithin, and the ratio of the hydrogenated lecithin to the enzymatic lecithin is 1: 2-2; 1 in a weight ratio;
(D) the thickener accounts for 0.1 to 3 percent of the weight of the hair care emulsion, and is hydroxyethyl cellulose;
(E) the hemp seed oil composite preparation accounts for 0.5-15% of the hair care emulsion and is a carrier of active ingredients such as hemp leaf extract, and the hemp seed oil composite preparation consists of the following components:
hemp seed oil 5-20 wt% of the composite hemp seed oil preparation;
hemp leaf extract in an amount of 0.1-10% by weight of the hemp seed oil composite preparation;
herba Agastaches extract 0.1-5 wt% of the compound preparation;
emulsifier compound accounting for 0.5-5% of the weight of the hemp seed oil compound preparation; the emulsifier compound is a mixture of polyoxyethylene (4) sorbitol monostearate, sorbitan monostearate and dextrin palmitate, and the polyoxyethylene (4) sorbitol monostearate, the sorbitan monostearate and the dextrin palmitate are in a weight ratio of 1:1: 5;
0.1-10% of hydrolyzed corn starch by weight of the hemp seed oil composite preparation, wherein the hydrolyzed corn starch contains 55-59% of maltotetraose;
phenoxyethanol accounting for 0.5-1% of the weight of the hemp seed oil composite preparation;
glycerol accounting for 10-30% of the weight of the hemp seed oil composite preparation;
and the balance water;
(F) the skin-friendly sodium hyaluronate accounts for 0.05-3.0% of the weight of the hair care cream.
2. The oil-in-water leave-in hair care emulsion according to claim 1, wherein the non-volatile liquid oil is selected from isoamyl laurate.
3. The oil-in-water leave-in hair care emulsion according to claim 1, wherein the enzymatically hydrolyzed lecithin is a single fatty acid chain phosphatidylcholine, which is an unsaturated acyl chain lecithin having a molecular structural formula as shown in formula i:
4. the oil-in-water leave-in hair care cream according to claim 1, wherein the hemp seed oil complex formulation is a micro-emulsion having a particle size of 0.1 to 1 μm.
5. The oil-in-water leave-on hair care cream according to claim 1, wherein the skin-friendly sodium hyaluronate is obtained by complexing sodium hyaluronate with a cationic polymer, the sodium hyaluronate is a mixture of three different molecular weights, namely a high molecular weight sodium hyaluronate, a medium molecular weight sodium hyaluronate and a high molecular weight sodium hyaluronate, the low molecular weight sodium hyaluronate is 1-5 wt%, the medium molecular weight sodium hyaluronate is 0.01-1 wt%, and the high molecular weight sodium hyaluronate is 0.01-1 wt%.
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