High-stability amino acid type face cleansing product with oil control effect and preparation method of high-stability amino acid type face cleansing product

Abstract

The invention discloses a high-stability amino acid type cleansing product with an oil control effect and a preparation method thereof. The four components of sodium alginate, sodium gluconate, the eriodictyon crassifolium leaf extract and the uncaria rhynchophylla flower / leaf extract are applied to the amino acid type facial cleansing product, so that the stability problems of separation, thickening, yellowing, water yielding and the like of the amino acid type facial cleansing product can be improved; the amino acid type cleansing product has the advantages that the foam amount, the foam stability, the foam tightness and other properties of the amino acid type cleansing product can be improved, the foam is richer and more dense, the problem of irritation caused by a surfactant in the cleansing product can be solved, and the four components are synergistically used, so that the cleansing product has a good oil control effect and is convenient to use. Therefore, the amino acid type cleansing product which is high in stability, rich in foam, mild, non-irritant and good in oil control effect is obtained.

Description

Technical Field

[0001] The present invention relates to the technical field of cosmetics, and in particular to a highly stable amino acid-based facial cleanser with oil-controlling effect and a preparation method thereof. Background Art

[0002] Facial cleansing products have become an indispensable part of daily skin care due to the problems of facial skin secreting oil, sweat, etc. and pollutants in the environment. Facial cleansing products are mainly composed of surfactants, solvents, skin conditioners and preservatives. Surfactants are an indispensable and important component of facial cleansing products. Surfactants are amphiphilic substances with hydrophilic and lipophilic groups. The lipophilic group can be adsorbed on the interface of oil and dirt on the skin surface, and the hydrophilic group faces the water medium, reducing the interfacial tension between the two, resulting in a reduction in the work required to remove oil and dirt from the skin surface, and eventually the dirt is swept away.

[0003] With the increase in the number of people with oily and sensitive skin in recent years, the choice of facial cleansing products has also received more and more attention. People with oily and sensitive skin hope that cleansing products are gentle, non-irritating, rich in foam, and have the effect of oil control. At present, the facial cleansing products on the market are mainly soap-based and amino acid-based. Soap-based cleansing is made by neutralizing fatty acids and alkalis. Although it has the characteristics of rich foam, easy to clean, and refreshing after washing, the pH value is too high, which is not gentle enough for the skin. People with sensitive skin are prone to tight and dry skin after washing. Amino acid cleansing is a weakly acidic cleansing product composed of amino acid surfactants. Because it is close to the pH of the skin, it has low irritation and is suitable for cleaning, it is deeply sought after by people with sensitive skin. However, amino acid cleansing products will have stability problems such as precipitation, coarsening, yellowing, and water leakage. Therefore, the stability of amino acid cleansing products is extremely challenging.

[0004] At present, there are few studies on the stability of amino acid-based cleansing products on the market. Cleansing products on the market are more focused on cleansing effects, and the oil control effect is poor, which cannot satisfy people with oily and sensitive skin. Therefore, it is very necessary to develop an oil-control cleansing product with cleansing function, good stability, rich foam, mild and non-irritating, which can greatly solve the dual problems of stability and efficacy of cleansing products. Summary of the invention

[0005] In view of the above problems, the present invention provides a highly stable amino acid type cleansing product with oil control effect and a preparation method thereof. The present invention applies four ingredients, namely, sodium alginate, sodium gluconate, spatholobifolia leaf extract and ancient Uncaria rhynchophylla flower / leaf extract, to the amino acid type cleansing product, which can improve the stability problems of amino acid type cleansing products such as precipitation, coarsening, yellowing, and water discharge, and can improve the foam volume, foam stability, foam density and other properties of amino acid type cleansing products, making the foam richer and denser, and can also improve the irritation problem caused by surfactants in cleansing products. The above four ingredients are used in synergy, so that the cleansing product has good oil control effect, thereby obtaining an amino acid type cleansing product with high stability, rich foam, mild and non-irritating, and good oil control effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a highly stable amino acid type cleansing product with oil control effect, characterized in that it comprises active ingredients and auxiliary agents, and the active ingredients and their contents (mass ratio) in the cleansing product are: sodium alginate 0.05%-0.15%, sodium gluconate 0.05%-0.15%, spatholobiaceae leaf extract 1%-10%, and Uncaria rhynchophylla flower / leaf extract 1%-10%; the auxiliary agents at least include surfactants (amino acid type surfactants and non-amino acid type surfactants), thickeners, humectants, chelating agents and water, and may also include preservatives, pH adjusters and pearlescent agents, etc.

[0007] Furthermore, the components of the above-mentioned amino acid cleansing product and their content (mass ratio) in the cleansing product are: surfactant (amino acid surfactant and non-amino acid surfactant, the mass of the two is 10:1-5) 15%-40%, thickener 0.5%-5%, moisturizer 5%-30%, chelating agent 0.05%-0.15%, pH adjuster 0-3%, preservative 0%-3%, sodium alginate 0.05%-0.15%, sodium gluconate 0.05%-0.15%, spatholobifolia leaf extract 1%-10%, ancient Uncaria rhynchophylla flower / leaf extract 1%-10%, other excipients (such as pearlescent agent, etc.) 0%-4%, and the balance is water.

[0008] The preparation method of the Herba Clerodendrum sutchuenensis leaf extract is as follows: crushed Herba Clerodendrum sutchuenensis leaves, extracting them by reflux extraction method / microwave extraction method with 45-55% ethanol aqueous solution at 55-65° C., filtering the extract, concentrating the filtrate, and adding glycerol with a mass of 0.8 to 1.2 times of the concentrate to obtain the extract, wherein the concentration is 0.05 to 0.2 g / mL (i.e., 0.05 to 0.2 g Herba Clerodendrum sutchuenensis leaves are used to obtain 1 ml Herba Clerodendrum sutchuenensis leaf extract). Among the above extraction methods, the reflux extraction method is superior to the microwave extraction method.

[0009] Among them, the preparation method of the Uncaria rhynchophylla flower / leaf extract is as follows: take dried Uncaria rhynchophylla flower and / or leaf powder, use 55-65% ethanol aqueous solution as the extractant, adopt ultra-high pressure extraction method to extract, filter the extract, concentrate the filtrate and add 0.8 to 1.2 times the mass of butanediol of the concentrate to obtain the extract, wherein the concentration is 0.05 to 0.06 g / mL based on the amount of crude drug (that is, 0.05 to 0.06 g of dried Uncaria rhynchophylla flower and / or leaf powder is used to obtain 1 ml of Uncaria rhynchophylla flower / leaf extract).

[0010] Furthermore, the dosage form of the amino acid cleansing product includes but is not limited to cleansing mousse, cleansing gel, cleansing cream, cleansing honey, etc.

[0011] The amino acid surfactant is any one or more of potassium cocoyl glycinate, potassium lauroyl glycinate, TEA cocoyl glycinate, sodium cocoyl glycinate, sodium lauroyl glycinate, sodium cocoyl glutamate, TEA cocoyl glutamate, sodium lauroyl sarcosinate, disodium cocoyl glutamate, sodium cocoyl aminopropionate, sodium methyl cocoyl taurate, and sodium methyl cocoyl taurate.

[0012] The non-amino acid surfactant is any one or more of lauryl betaine, coco betaine, sodium lauroamphoacetate, sodium cocoamphoacetate, disodium lauroamphodiacetate, disodium cocoamphodiacetate, cocamidopropyl betaine, sodium C14-16 olefin sulfonate, cocamidopropyl hydroxysulfonate, and decyl glucoside.

[0013] The moisturizer includes but is not limited to any one of glycerin, dipropylene glycol, butylene glycol, propylene glycol, methyl propanediol, sorbitol, or a combination of multiple moisturizers.

[0014] The chelating agent includes but is not limited to any one of EDTA-disodium, EDTA-trisodium, EDTA-tetrasodium, or a combination of multiple chelating agents.

[0015] The thickener includes but is not limited to any one or a combination of multiple thickeners such as sodium polyacrylate, carbomer, xanthan gum, hydroxyethyl cellulose, polyacrylate crosspolymer-6, ammonium acryloyldimethyltaurate / VP copolymer, hydroxyethyl acrylate / sodium acryloyldimethyltaurate copolymer, magnesium aluminum silicate, hydroxypropyl starch phosphate, acrylate (type) copolymer, PEG-120 methyl glucose dioleate, PEG-150 distearate, sodium chloride, etc.

[0016] The preservative is any one of p-hydroxyacetophenone, caprylhydroxamic acid, phenoxyethanol (dosage <1%), 1,2-hexanediol, or a combination of multiple preservatives.

[0017] The pH adjuster includes but is not limited to any one of citric acid, tromethamine, sodium hydroxide, lactic acid, triethanolamine, or a combination of multiple pH adjusters.

[0018] The second aspect of the present invention provides a method for preparing the above-mentioned amino acid cleansing product, which is characterized in that it specifically comprises the following steps:

[0019] S1: Add surfactant, water, moisturizer, chelating agent and pH adjuster, stir and heat to 90-95°C, keep warm and stir until completely dissolved, and slowly cool down;

[0020] S2: When the temperature drops to 80-85°C, add thickener and other auxiliary materials (such as pearlescent agent, etc.). The thickener can be added directly or dispersed with water or moisturizer. Keep warm and stir until completely dissolved, and continue to slowly cool down.

[0021] S3: When the temperature drops to 65-70°C, add preservatives, keep warm and stir to mix evenly, and continue to slowly cool down;

[0022] S4: When the temperature drops to 40-50°C, add sodium alginate, sodium gluconate, spatholobifolia leaf extract and Uncaria rhynchophylla flower / leaf extract, keep warm and stir to mix evenly, continue to slowly cool down, and continue stirring for 20-40 minutes after the paste is formed.

[0023] The beneficial technical effects of the present invention are:

[0024] 1. The present invention applies the compounded sodium alginate, sodium gluconate, spatholobus leaf extract and uncaria flower / leaf extract to the amino acid type cleansing product, which can improve the stability of the amino acid type cleansing product, and can synergistically improve the stability problems of the existing amino acid type cleansing cream, such as coarsening and softening of the material at low temperature and yellowing of the water at high temperature. And the four ingredients synergize with each other and have a good oil control effect. In addition, we also found that compared with the microwave extraction method, the spatholobus leaf extract prepared by the reflux extraction method has a better oil control effect when it synergizes with the other three ingredients.

[0025] 2. The present invention applies sodium alginate, sodium gluconate, spatholobifolia leaf extract and Uncaria rhynchophylla flower / leaf extract to amino acid-based facial cleansing products. Through closed patch tests, it is found that it can significantly reduce the irritation of facial cleansing products and is more friendly to sensitive skin. In addition, through consumer evaluations, we found that it can also significantly improve the foam volume, foam stability, foam density, skin feel after washing and cleaning effect of facial cleansing products. DETAILED DESCRIPTION

[0026] The present invention is further described below by examples, but the present invention is not limited to the scope of the embodiments. Based on the embodiments in the present invention, any changes to the present invention by those skilled in the art without creative work are all within the scope of the present invention. Meanwhile, in the embodiments of the present invention, unless otherwise specified, all preparation raw materials are commercially available products well known to those skilled in the art.

[0027] Examples 1 to 3

[0028] The formulas of the amino acid cleansing products of Examples 1 to 3 and Comparative Examples 1 to 6 are shown in Table 1.

[0029] The preparation methods of Examples 1 to 3 are:

[0030] S1: Add surfactant (sodium cocoyl glycinate, imidazoline, betaine), water, humectant (glycerol), chelating agent (EDTA-2Na), stir and heat to 90-95°C, keep stirring until completely dissolved, stir at 500-1000 rpm, and slowly cool down;

[0031] S2: When the temperature drops to 80-85°C, add the thickener (Glucamate TM DOE-120 thickener) and pearlescent agent, keep warm and stir until completely dissolved, stirring speed 1000 ~ 1500rpm, continue to slowly cool down;

[0032] S3: When the temperature drops to 65-70°C, add preservatives (p-hydroxyacetophenone and 1,2-hexanediol), keep warm and stir to mix evenly, at a stirring speed of 1000-1500 rpm, and continue to slowly cool down;

[0033] S4: When the temperature drops to about 45°C, add sodium alginate, sodium gluconate, spatholobifolia leaf extract and Uncaria rhynchophylla flower / leaf extract, keep warm and stir to mix evenly at a stirring speed of 1000-1500rpm, continue to slowly cool down, and continue stirring for 30 minutes after the paste is formed.

[0034] The preparation methods of Comparative Examples 1 to 6 are based on the above, with the corresponding raw materials reduced.

[0035] Table 1 Formulas of amino acid cleansing products of Examples 1 to 3 and Comparative Examples 1 to 6

[0036]

[0037]

[0038] The preparation method of the Herba Scutellariae Leaf Extract① comprises the following specific steps:

[0039] (1) Take an appropriate amount of crushed spatholobi leaves, add 50% ethanol aqueous solution, the solid-liquid ratio is 1:10, reflux extraction at 60°C for 40 minutes, filter the filtrate, repeat the extraction of the residue once, and combine the two filtrates;

[0040] (2) The filtrate obtained in step (1) was concentrated under reduced pressure at 65° C., and then glycerol in an amount equal to the mass of the concentrate was added, stirred and mixed evenly, and filtered to obtain a Herba Scutellariae Leaf Extract, wherein the concentration of the extract, based on the crude drug amount, was 0.1408 g / mL.

[0041] The preparation method of the Herba Scutellariae Leaf Extract Preparation Method ② comprises the following specific steps:

[0042] (1) Take an appropriate amount of crushed spatholobi leaves and place them in a microwave, add 50% ethanol aqueous solution, the solid-liquid ratio is 1:10, the microwave power is 400 W, extract for 20 minutes, filter the filtrate, repeat the extraction of the residue once, and combine the two filtrates;

[0043] (2) The filtrate obtained in step (1) was concentrated under reduced pressure at 65° C., and then glycerol in an amount equal to the mass of the concentrate was added, stirred and mixed evenly, and filtered to obtain a Herba Scutellariae Leaf Extract, wherein the concentration of the extract, based on the crude drug amount, was 0.1429 g / mL.

[0044] The preparation method of the Uncaria rhynchophylla flower / leaf extract comprises the following specific steps:

[0045] (1) Take an appropriate amount of dried Uncaria rhynchophylla flower and leaf powder, use 60% ethanol aqueous solution as the extraction agent, and the solid-liquid ratio is 1:30. Vacuum pack them in polyethylene bags, put the packaged samples into an ultra-high pressure device, fix the pressure holding time for 5 minutes, and the extraction pressure is 300 MPa. After treatment, the extract is centrifuged to obtain the supernatant, and the supernatant is filtered;

[0046] (2) The extract obtained in step (1) was concentrated under reduced pressure at 50° C., butanediol in an amount equal to the mass of the concentrate was added, the mixture was stirred and mixed evenly, and the extract of the flower / leaf of Uncaria rhynchophylla was obtained after filtration, wherein the concentration of the extract was 0.0541 g / mL based on the crude drug amount.

[0047] In the above examples and comparative examples, sodium cocoyl glycinate is a solid strip; imidazoline INCI name: water 69%, sodium lauroamphoacetate 31%; betaine INCI name: water 70%, cocamidopropyl hydroxysultaine 30%; Glucamate TM The INCI name of the thickener DOE-120 is PEG-120 methyl glucose dioleate 99.975%, tocopherol (vitamin E) 0.025%; the INCI name of the pearlescent agent is ethylene glycol distearate 85%, ethylene glycol stearate 15%.

[0048] The raw materials and sources involved in the above embodiments and comparative examples are:

[0049] Table 2 Raw materials and sources involved in the examples and comparative examples

[0050]

[0051]

[0052] Test Example 1: Stability Test

[0053] The samples of Examples 1 to 3 and Comparative Examples 1 to 6 were placed at room temperature, -18°C, 4°C, 45°C, 40°C, and subjected to cold and hot cycles (-18°C, 4°C, 45°C, and cycled every 3 days) for corresponding periods of time for stability observation. The stability of the product was judged by whether yellowing, water discharge, softening of the material, coarsening of the material, and other phenomena occurred. If unstable phenomena such as yellowing, water discharge, coarsening of the material, and softening of the material did not occur, the stability passed. If not, the reason was indicated. The specific results are shown in Table 3 below.

[0054] Table 3 Stability test results

[0055]

[0056]

[0057] As shown in Table 3, the stability of Examples 1 to 3 and Comparative Example 4 is not problematic. In Comparative Example 1, sodium gluconate was not added, and the material turned yellow at 45°C and hot and cold cycles. In Comparative Example 2, sodium alginate was not added, and the material was 45°C and hot and cold cycles. In Comparative Example 3, sodium alginate and sodium gluconate were not added, and the material turned yellow at 45°C, 40°C and hot and cold cycles, and the material became coarse at -18°C. Comparative Example 4 added the Herba Clerodendrum strychnifolium extract ②, and the stability was passed, indicating that the Herba Clerodendrum strychnifolium extract extracted by the reflux extraction method and the microwave extraction method is different from other methods. When the three ingredients are used in synergy, the high and low temperature stability can be improved. In comparative example 5, the four ingredients of sodium alginate, sodium gluconate, thick-leaved holy grass leaf extract and ancient Uncaria flower / leaf extract were not added, and the material body became coarse at -18°C, softened at 4°C, and turned yellow at 45°C, 40°C and hot and cold cycle water. In comparative example 6, thick-leaved holy grass leaf extract and ancient Uncaria flower / leaf extract were not added, and the material body became coarse at -18°C, and turned yellow at 45°C and hot and cold cycle. In comparative example 7, ancient Uncaria flower / leaf extract was not added, and the material body became coarse at -18°C and turned yellow at 45°C. Therefore, the four ingredients of sodium alginate, sodium gluconate, thick-leaved holy grass leaf extract and ancient Uncaria flower / leaf extract can synergistically improve the stability problems of amino acid type cleansing cream, such as coarsening and softening of low-temperature material body and yellowing of high-temperature water.

[0058] Test Example 2: Irritation Evaluation Test

[0059] The experiment recruited 35 subjects (10 males and 25 females), aged 23 to 50 years old.

[0060] Human skin closed patch test method: dilute the test samples of Examples 1-3 and Comparative Examples 1, 2, 4, 6 and 7 with distilled water into a 1% solution as the test substance, and distilled water as the diluent is used as the control group. Comparative Examples 3 and 5 have poor stability, and no irritation evaluation experiment is performed. Select a qualified patch tester and place 0.020-0.025mL of the test substance into the small chamber of the patch tester. Apply the patch tester with the test substance to the curved side of the forearm of the subject for 24 hours. After 24 hours, remove the test substance patch tester, observe the skin reaction at 0.5h, 24h and 48h after removal, and record the results according to the skin reaction grading standard (Table 4) in the "Technical Specifications for Safety of Cosmetics 2015". Detailed results are shown in Table 5.

[0061] Table 4 Skin reaction grading standards

[0062]

[0063]

[0064] The test results are shown in Table 5. Examples 1-3 and Comparative Example 4 had no adverse reactions and were mild and non-irritating. Examples 1-2 and Comparative Examples 6-7 all had adverse reactions to varying degrees, indicating that the synergistic use of the four ingredients of sodium alginate, sodium gluconate, spatholobifolia leaf extract and Uncaria rhynchophylla flower / leaf extract can reduce the irritation of the amino acid type cleanser, making the amino acid type cleanser mild and non-irritating, and the spatholobifolia leaf extract extracted by reflux extraction and microwave extraction can make the amino acid type cleanser mild and non-irritating when used in conjunction with the other three ingredients.

[0065] Table 5 Irritation evaluation test results

[0066]

[0067]

[0068] Test Example 3: Skin feel test

[0069] Questionnaire (A total of 32 people were selected for this questionnaire, including 14 males and 18 females, aged between 23 and 50 years old.

[0070] Test method: The subjects used samples of Examples 1-3 and Comparative Examples 1, 2, 4, 6 and 7 respectively. Comparative Examples 3 and 5 had poor stability and no skin feel test was performed. The subjects used daily skin care products normally during the day and used 1 test product every night for 8 consecutive days (method of use: moisten the facial skin with clean water, take an appropriate amount of sample in the palm of your hand, add water to rub out rich foam, apply the foam to the face and massage in circles, avoid the eyes and then wash it thoroughly with clean water). After use, the subjects scored the use effect. The five indicators of foam amount, foam stability, foam density, moisturizing feeling after washing and cleaning effect were used as evaluation criteria to score the embodiments and comparative examples: 1-5 points. The higher the score, the more popular the sample is with the volunteers and the better the performance is. Detailed results are shown in Table 6.

[0071] Table 6 Skin feel test results

[0072]

[0073] As can be seen from Table 6, by comparing Examples 1 to 3 and Comparative Examples 1, 2, 4, 6, and 7, the overall satisfaction is Example 2> Example 3> Example 1> Comparative Example 4> Comparative Example 7> Comparative Example 1> Comparative Example 2> Comparative Example 6. The overall satisfaction score of Example 2 is 24.6, which is the highest score, indicating that the skin feel is better. The score of the comparative example is significantly lower than that of Example 2, indicating that the four ingredients of sodium alginate, sodium gluconate, thick-leaved holy grass leaf extract and ancient Uncaria flower / leaf extract can increase the foam amount, foam stability, foam density, skin feel after washing and cleaning effect when used in conjunction. Secondly, when the thick-leaved holy grass leaf extract extracted by the reflux extraction method is used in conjunction with the other three ingredients, the amino acid type cleanser has a better skin feel.

[0074] Test Example 4: Instant Oil Control Effect Test

[0075] Test instrument: Sebumeter test probe.

[0076] Test inclusion criteria: 20-60 years old, with forehead oil content >110μg / cm 2 50 males and 70 females, a total of 120 people, who met the above requirements, tested the samples of Example 2 and Comparative Examples 2, 4, and 7 respectively, with 30 people testing each sample.

[0077] Test method: The test group used the test sample to clean the left forehead as the experimental group, and used clean water to clean the right forehead as the control group. In a constant temperature and humidity environment, the oil content of the experimental group and the control group was tested at different time points for 4 hours. Before use, the oil content of the test area and the control area was tested after 0h, 1h, and 4h of use.

[0078] How to use the sample: Wet the facial skin with clean water, take an appropriate amount of the sample on the palm of your hand, add water and rub to produce rich foam, apply the foam to the face and massage in circles, avoiding the eyes and then rinse thoroughly with clean water.

[0079] Difference rate of oil content = (mean oil content in experimental area - mean oil content in control area) / mean oil content in control area × 100%

[0080] The test results of oil content difference rate are shown in Table 7.

[0081] Table 7 Oil content difference test results

[0082] Example 2 Comparative Example 2 Comparative Example 4 Comparative Example 7 0h later -55.68％** -51.18％** -52.51** -52.64％** 1 hour later -39.44％** -19.80％** -23.87％** -18.42％** 4h later -22.12％** -6.59％* -11.28％** -6.06％*

[0083] Note: In the table, compared with the initial oil content, "*": the difference is statistically significant (0.01≤P<0.05); "**": the difference is statistically significant (0.001≤P<0.01).

[0084] According to the results of Table 7, after 0h, 1h, and 4h of use, the difference rate of oil content in Example 2, Comparative Examples 2, 4, and 7 after 1h and 4h of use was significantly different from that in the control area. The difference rate of oil content in Example 2 was significantly higher than that in Comparative Examples 2, 4, and 7, indicating that sodium gluconate, sodium alginate, Herba Clerodendrum sutchuenensis leaf extract, and Herba Clerodendrum sutchuenensis flower / leaf extract had a synergistic effect, and the Herba Clerodendrum sutchuenensis leaf extract extracted by reflux extraction method had a better oil control effect than the microwave extraction method when used in conjunction with the other three ingredients.

Claims

1. A highly stable amino acid cleansing product with oil control effect, characterized in that: The invention comprises active ingredients and auxiliary agents, wherein the active ingredients and their mass percentage contents are: 0.05%-0.15% sodium alginate, 0.05%-0.15% sodium gluconate, 1%-10% spatholobifolia leaf extract, and 1%-10% uncariae truncatula flower / leaf extract; the auxiliary agents at least comprise a surfactant, a thickener, a humectant, a chelating agent and water; and the surfactant is a combination of an amino acid surfactant and a non-amino acid surfactant.

2. The high-stability amino acid cleansing product according to claim 1, characterized in that: The components of the high-stability amino acid cleansing product and their mass percentage contents are: surfactant 15%-40%, thickener 0.5%-5%, moisturizer 5%-30%, chelating agent 0.05%-0.15%, pH adjuster 0-3%, preservative 0%-3%, sodium alginate 0.05%-0.15%, sodium gluconate 0.05%-0.15%, spatholobi leaf extract 1%-10%, ancient Uncaria rhynchophylla flower / leaf extract 1%-10%, other auxiliary materials 0%-4%, and the balance is water.

3. The high-stability amino acid cleansing product according to claim 2, characterized in that: The surfactants are amino acid type surfactants and non-amino acid type surfactants, and the weight ratio of the two is 10:1-5.

4. The high-stability amino acid cleansing product according to claim 1, characterized in that: The preparation method of the Herba Clerodendrum sutchuenensis leaf extract comprises the following steps: taking crushed Herba Clerodendrum sutchuenensis leaves, extracting them by reflux extraction method / microwave extraction method with 45-55% ethanol aqueous solution at 55-65° C., filtering the extract, concentrating the filtrate, and adding glycerol with a mass of 0.8 to 1.2 times of the mass of the concentrate to obtain the extract, wherein the concentration is 0.05 to 0.2 g / mL based on the crude drug amount.

5. The high-stability amino acid cleansing product according to claim 1, characterized in that: The preparation method of the Uncaria rhynchophylla flower / leaf extract is as follows: taking Uncaria rhynchophylla flower and / or leaf powder, using 55-65% ethanol aqueous solution as an extractant, adopting ultra-high pressure extraction method to extract, filtering the extract, concentrating the filtrate and adding 0.8-1.2 times the mass of butanediol of the concentrate to obtain the extract, wherein the concentration is 0.05-0.06 g / mL based on the crude drug amount.

6. The high-stability amino acid facial cleanser product according to claim 1, characterized in that: The dosage form of the amino acid cleansing product is cleansing mousse, cleansing gel, cleansing cream or cleansing honey.

7. The high-stability amino acid cleansing product according to claim 1, characterized in that: The amino acid surfactant is any one or more of potassium cocoyl glycinate, potassium lauroyl glycinate, TEA cocoyl glycinate, sodium cocoyl glycinate, sodium lauroyl glycinate, sodium cocoyl glutamate, TEA cocoyl glutamate, sodium lauroyl sarcosinate, disodium cocoyl glutamate, sodium cocoyl aminopropionate, sodium methyl cocoyl taurate, and sodium methyl cocoyl taurate.

8. The high-stability amino acid cleansing product according to claim 1, characterized in that: The non-amino acid surfactant is any one or more of lauryl betaine, coco betaine, sodium lauroamphoacetate, sodium cocoamphoacetate, disodium lauroamphodiacetate, disodium cocoamphodiacetate, cocamidopropyl betaine, sodium C14-16 olefin sulfonate, cocamidopropyl hydroxysulfonate, and decyl glucoside.

9. The method for preparing the high-stability amino acid cleansing product according to any one of claims 1 to 8, characterized in that: S1: Add surfactant, water, moisturizer, chelating agent and pH adjuster, stir and heat to 90-95°C, keep warm and stir until completely dissolved, and slowly cool down; S2: When the temperature drops to 80-85°C, add thickener and other auxiliary materials, keep warm and stir until completely dissolved, and continue to slowly cool down; S3: When the temperature drops to 65-70°C, add preservatives, keep warm and stir to mix evenly, and continue to slowly cool down; S4: When the temperature drops to 40-50°C, add sodium alginate, sodium gluconate, spatholobifolia leaf extract and Uncaria rhynchophylla flower / leaf extract, keep warm and stir to mix evenly, continue to slowly cool down, and continue stirring for 20-40 minutes after the paste is formed to obtain a highly stable amino acid cleansing product.

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