阅读说明：本技术 一种水溶性洗发乳及其制备方法 (Water-soluble hair washing cream and preparation method thereof ) 是由 陈元 于 2020-07-27 设计创作，主要内容包括：本发明提供一种水溶性洗发乳及其制备方法,水溶性洗发乳的配方为：除水外,按重量百分比计,包括如下组分：丙烯酸(酯)类/C10-30烷醇丙烯酸酯交联聚合物0.05%-0.5%；月桂醇聚醚硫酸酯钠10%-20%；瓜儿胶羟丙基三甲基氯化铵0.1%-1%；西曲氯铵0.05%-0.8%；椰油酰胺丙基甜菜碱1%-10%。本发明提供的水溶性洗发乳具有较好洗发的使用效果。(The invention provides a water-soluble hair washing cream and a preparation method thereof, wherein the formula of the water-soluble hair washing cream comprises the following components: except water, the components in percentage by weight are as follows: acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer 0.05% -0.5%; 10% -20% of sodium laureth sulfate; 0.1 to 1 percent of guar hydroxypropyl trimethyl ammonium chloride; 0.05 to 0.8 percent of cetrimide; 1% -10% of cocamidopropyl betaine. The water-soluble hair washing cream provided by the invention has a good hair washing using effect.)

1. The water-soluble hair washing cream is characterized by comprising the following components in percentage by weight except water: acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer 0.05% -0.5%; 10% -20% of sodium laureth sulfate; 0.1 to 1 percent of guar hydroxypropyl trimethyl ammonium chloride; 0.05 to 0.8 percent of cetrimide; 1% -10% of cocamidopropyl betaine.

2. The water-soluble hair shampoo of claim 1 wherein the guar hydroxypropyltrimonium chloride 1% aqueous solution has a viscosity of 3000-4000mpa.s at 25 ℃ and a solid content of 35% or more.

3. The water-soluble hair shampoo of claim 1 wherein said sodium laureth sulfate comprises 1,4 dioxane, said 1,4 dioxane being less than 14 ppm.

4. The water-soluble hair shampoo of claim 1 wherein the cocamidopropyl betaine has a solids content of 35.0% to 35.6%.

5. The water-soluble hair shampoo of claim 1 wherein the weight ratio of sodium laureth sulfate to cocamidopropyl betaine is 30: (5-8).

6. The water-soluble hair wash of claim 1, further comprising 1% -5% palm kernel oleic acid, 1% -5% cocamide DEA, 0.05% -5% polydimethylsiloxane, 0.05% -5% zinc pyrithione, and 0.001% -0.5% sodium hyaluronate.

7. The water-soluble hair wash of claim 1, further comprising one or more of sodium alpha-alkenyl sulfonate, sodium lauryl sulfate, cocamide MEA, cocamide propyl betaine, decyl glucoside, PPG-3 octyl ether, polyquaternium-10; and/or the presence of a gas in the gas,

the water-soluble hair washing cream also comprises one or more of pigment, preservative, pH regulator, chelating agent, viscosity regulator and essence and spice, wherein the pH regulator comprises citric acid and sorbic acid; the chelating agent comprises ethylenediamine tetraacetic acid, sodium methyl tartrate and ammonium citrate; the viscosity modifier includes sodium chloride, cellulose and acrylic acid copolymer.

8. A process for the preparation of a water-soluble hair shampoo according to any of claims 1 to 7 comprising the steps of:

(1) respectively dissolving guar gum hydroxypropyl trimethyl ammonium chloride and acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer by water according to a certain proportion to respectively obtain a guar gum hydroxypropyl trimethyl ammonium chloride prefabricated liquid and an acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer prefabricated liquid for later use;

(2) adding sodium laureth sulfate into the aqueous solution at the temperature of 80-95 ℃ in proportion, and homogenizing for 2-10 minutes;

(3) adding a guar gum hydroxypropyl trimethyl ammonium chloride prefabricated solution into the solution obtained in the step (2), and homogenizing for 1-5 minutes;

(4) adding acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer prefabricated liquid into the solution obtained in the step (3), and homogenizing for 1-5 minutes;

(5) and (3) cooling the solution obtained in the step (4) to 30-50 ℃, adding the cetrorhimmonium chloride and the cocamidopropyl betaine according to the proportion, and homogenizing for 1-10 minutes.

9. The method of claim 8, further comprising the steps of: mixing and dispersing 1-5% of palm kernel oleic acid, 1-5% of cocamide DEA and 0.5-5% of polydimethylsiloxane to obtain an auxiliary surface active composition;

after the solution obtained in the step (4) is cooled to 30-50 ℃, the weight ratio of the solution to the auxiliary surface active composition is (3-5): 1 to obtain a mixed solution, then adding the cetrorhium chloride and the cocamidopropyl betaine into the mixed solution in proportion, and homogenizing for 1-10 minutes.

10. The method of claim 9, further comprising the steps of:

the step (5) also comprises the steps of adding 1 to 5 percent of glycerin, 0.01 to 0.5 percent of sodium hyaluronate and 0.01 to 0.5 percent of EDTA disodium; obtaining a first solution, and after the step (5), further comprising the following steps:

mixing the essence 0.1-1%, benzyl alcohol 0.1-1%, phenoxyethanol 0.1-1% and chlorphenesin 0.01-0.5% at 35-55 deg.C to obtain a second solution;

and adding the second solution and 0.01-0.5% of sodium chloride into the first solution, and homogenizing for 2-6 minutes to obtain the water-soluble hair washing cream.

Technical Field

The invention belongs to the technical field of shampoo, and particularly relates to water-soluble shampoo and a preparation method thereof.

Background

Along with the improvement of living standard, people's life rhythm is also faster and faster, consequently also brought work and rest irregularity, mental stress is big, frequent insomnia, anxiety scheduling problem, in addition the change of environment, people more and more contact all kinds of chemicals, and these problems can embody on people's hair equally, in addition the influence of sunlight, sand blown by the wind, low temperature washing, comb, blow, permanent wave etc. can appear certain damage to the hair, the damage degree of hair is light, can influence one's external image, the damage degree is serious, the hair can appear morbid development probably, wherein, alopecia, hair withered and yellow and white hair, dandruff increases, is more and more common problem.

The most common problems of the shampoo are that the shampoo is strong in astringency in the using process, hair scales are easily damaged due to excessive friction, or hair is broken rapidly due to excessive pulling, and the scalp is dry, itchy and flaky after the shampoo is used for cleaning excessively. Although most of the commercial products reduce the friction force of dry and wet combing by adding silicone oil and cationic conditioning agent, the effect is not satisfactory, and when a lot of shampoos are used, the problems of overlarge flushing resistance, little bubbles during use, poor use experience and the like still exist.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the water-soluble hair washing cream with better use effect and the preparation method thereof.

The invention provides a water-soluble hair washing cream which comprises the following components in percentage by weight except water: acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer 0.05% -0.5%; 10% -20% of sodium laureth sulfate; 0.1 to 1 percent of guar hydroxypropyl trimethyl ammonium chloride; 0.05 to 0.8 percent of cetrimide; 1% -10% of cocamidopropyl betaine.

Preferably, the viscosity of the 1% guar hydroxypropyl trimethyl ammonium chloride aqueous solution at 25 ℃ is 3000-4000mpa.s, and the solid content is more than or equal to 35%.

Preferably, the sodium laureth sulfate comprises 1,4 dioxane, the 1,4 dioxane being < 14 ppm.

Preferably, the solids content of the cocamidopropyl betaine is 35.0% to 35.6%.

Preferably, the weight ratio of the sodium laureth sulfate to the cocamidopropyl betaine is 30: (5-8).

Preferably, the water-soluble hair washing cream further comprises 1-5% of palm kernel oleic acid, 1-5% of cocamide DEA, 0.05-5% of polydimethylsiloxane, 0.05-5% of zinc pyrithione and 0.001-0.5% of sodium hyaluronate.

Preferably, the water-soluble hair washing emulsion further comprises one or more of alpha-alkenyl sodium sulfonate, sodium lauryl sulfate, cocamide MEA, cocamide propyl betaine, decyl glucoside, PPG-3 octyl ether and polyquaternium-10; and/or the presence of a gas in the gas,

the water-soluble hair washing cream also comprises one or more of pigment, preservative, pH regulator, chelating agent, viscosity regulator and essence and spice, wherein the pH regulator comprises citric acid and sorbic acid; the chelating agent comprises ethylenediamine tetraacetic acid, sodium methyl tartrate and ammonium citrate; the viscosity modifier includes sodium chloride, cellulose and acrylic acid copolymer.

The invention also provides a preparation method of the water-soluble hair washing cream, which comprises the following steps:

(1) respectively dissolving guar gum hydroxypropyl trimethyl ammonium chloride and acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer by water according to a certain proportion to respectively obtain a guar gum hydroxypropyl trimethyl ammonium chloride prefabricated liquid and an acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer prefabricated liquid for later use;

(2) adding sodium laureth sulfate into the aqueous solution at the temperature of 80-95 ℃ in proportion, and homogenizing for 2-10 minutes;

(3) adding a guar gum hydroxypropyl trimethyl ammonium chloride prefabricated solution into the solution obtained in the step (2), and homogenizing for 1-5 minutes;

(4) adding acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer prefabricated liquid into the solution obtained in the step (3), and homogenizing for 1-5 minutes;

(5) and (3) cooling the solution obtained in the step (4) to 30-50 ℃, adding the cetrorhimmonium chloride and the cocamidopropyl betaine according to the proportion, and homogenizing for 1-10 minutes.

Preferably, the preparation method further comprises the following steps: mixing and dispersing 1-5% of palm kernel oleic acid, 1-5% of cocamide DEA and 0.5-5% of polydimethylsiloxane to obtain an auxiliary surface active composition;

after the solution obtained in the step (4) is cooled to 30-50 ℃, the weight ratio of the solution to the auxiliary surface active composition is (3-5): 1 to obtain a mixed solution, then adding the cetrorhium chloride and the cocamidopropyl betaine into the mixed solution in proportion, and homogenizing for 1-10 minutes.

Preferably, the preparation method further comprises the following steps:

the step (5) also comprises the steps of adding 1 to 5 percent of glycerin, 0.01 to 0.5 percent of sodium hyaluronate and 0.01 to 0.5 percent of EDTA disodium; obtaining a first solution, and after the step (5), further comprising the following steps:

mixing the essence 0.1-1%, benzyl alcohol 0.1-1%, phenoxyethanol 0.1-1% and chlorphenesin 0.01-0.5% at 35-55 deg.C to obtain a second solution;

and adding the second solution and 0.01-0.5% of sodium chloride into the first solution, and homogenizing for 2-6 minutes to obtain the water-soluble hair washing cream.

The water-soluble hair washing cream and the preparation method thereof provided by the invention have a good hair washing using effect.

Detailed Description

The technical solutions of the present invention are further described in detail with reference to specific examples so that those skilled in the art can better understand the present invention and can implement the present invention, but the examples are not intended to limit the present invention.

The embodiment of the invention provides a water-soluble hair washing cream which comprises the following components in percentage by weight except water: acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer 0.05% -0.5%; 10% -20% of sodium laureth sulfate; 0.1 to 1 percent of guar hydroxypropyl trimethyl ammonium chloride; 0.05 to 0.8 percent of cetrimide; 1% -10% of cocamidopropyl betaine.

The water-soluble shampoo provided by the embodiment adopts cationic polymer guar gum hydroxypropyl trimethyl ammonium chloride to combine with quaternary ammonium salt cationic conditioner cetroronium chloride from pure plant sources to form a water-soluble soft protective film, and has a remarkable antistatic effect in a dry environment.

In the embodiment, the amphoteric surfactant cocoamidopropyl betaine is selected to be matched with the anionic surfactant sodium lauryl ether sulfate (AES) to play a synergistic effect, and the AES is obtained by sulfating and neutralizing fatty alcohol-polyoxyethylene ether (AEO). After the shampoo is used, the experience feeling in the hair washing process is enhanced, rich and dense foam can bring excellent touch feeling and smoothness in the wet flushing process, the solubility, the hard water resistance, the foamability and the wetting power of the foam are all superior to those of alkyl sulfate, and the foam still has better decontamination capability in hard water

In a preferred embodiment, the 1% aqueous solution of guar hydroxypropyltrimonium chloride has a viscosity of 3000-4000mpa.s at 25 ℃ and a solid content of 35% or more.

In a preferred embodiment, the sodium laureth sulfate contains 60% to 80% of the active 1,4 dioxane, 1,4 dioxane < 14 ppm. The sodium laureth sulfate is white or light yellow in appearance, can be used as a flowable paste, and has the advantages of high foaming power, excellent compatibility, good hard water resistance, low irritation and high detergency.

In a preferred embodiment, the cocamidopropyl betaine has the appearance of a light yellow liquid with a solids content of 35.0% to 35.6%. The pH value is 4.0-6.0, and the complex formulation with sodium laureth sulfate can obviously reduce the irritation, and the thickening property and the foaming force are excellent, and the hard water resistance, the biodegradability and the antistatic property are good.

In a preferred embodiment, the weight ratio of sodium laureth sulfate to cocamidopropyl betaine is 30: (5-8), a good foaming effect can be achieved.

In a preferred embodiment, the water-soluble hair wash further comprises 1% -5% of palmitoleic acid, 1% -5% of cocamide DEA, 0.05% -5% of polydimethylsiloxane, 0.05% -5% of zinc pyrithione, and 0.001% -0.5% of sodium hyaluronate.

In a preferred embodiment, the water-soluble hair washing emulsion further comprises one or more of sodium alpha-alkenyl sulfonate, sodium lauryl sulfate, cocamide MEA, cocamide propyl betaine, decyl glucoside, PPG-3 octyl ether and polyquaternium-10; and/or the presence of a gas in the gas,

in a preferred embodiment, the water-soluble hair washing cream further comprises one or more of pigments, preservatives, pH regulators, chelating agents, viscosity regulators and flavors and fragrances, wherein the pH regulators comprise citric acid and sorbic acid; the chelating agent comprises ethylenediamine tetraacetic acid, sodium methyl tartrate and ammonium citrate; viscosity modifiers include sodium chloride, cellulose and acrylic acid copolymers. In this example, the pigment should be selected to meet the technical standards for cosmetic safety (2015). The pH adjusting agent in this example is used to adjust the pH of the water-soluble hair shampoo system to between 4.0 and 6.0. In a further preferred embodiment, the chelating agent is disodium edetate and is added in an amount of 0.05% to 0.2%.

In a preferred embodiment, the water-soluble hair shampoo further comprises a pearly luster sheet and/or a pearly luster slurry, wherein the active ingredient of the pearly luster sheet and the pearly luster slurry is ethylene glycol distearate, and the addition of the ingredient can endow the shampoo with beautiful pearly luster effect.

The embodiment of the invention also provides a preparation method of the water-soluble hair washing cream, which comprises the following steps:

(1) respectively dissolving guar gum hydroxypropyl trimethyl ammonium chloride and acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer by water according to a certain proportion to respectively obtain a guar gum hydroxypropyl trimethyl ammonium chloride prefabricated liquid and an acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer prefabricated liquid for later use;

the preparation method of the acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer prefabricated liquid comprises the following steps: soaking the acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer in pure water for 10-15 hr.

The preparation method of the guar gum hydroxypropyl trimethyl ammonium chloride prefabricated liquid comprises the following steps: guar hydroxypropyl trimonium chloride was dispersed with purified water.

(2) Adding a proper amount of pure water into a container, ensuring that the aqueous solution is at a temperature of between 80 and 95 ℃, adding sodium laureth sulfate according to a proportion, stirring the mixture until the sodium laureth sulfate is completely dissolved, wherein the stirring time is 10 to 20 minutes, and the homogenizing time is 2 to 10 minutes;

(3) adding a guar gum hydroxypropyl trimethyl ammonium chloride prefabricated solution into the solution obtained in the step (2), stirring for 5-15 minutes, and homogenizing for 1-5 minutes;

(4) adding acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer prefabricated liquid into the solution obtained in the step (3), stirring for 5-15 minutes, and homogenizing for 1-5 minutes;

(5) and (3) starting circulating cooling water to cool, cooling the solution obtained in the step (4) to 30-50 ℃, adding the cetrimide and the cocamidopropyl betaine according to the proportion, stirring for 5-25 minutes, and homogenizing for 1-10 minutes.

In a preferred embodiment, the preparation method further comprises the steps of: mixing and dispersing 1-5% of palm kernel oleic acid, 1-5% of cocamide DEA and 0.5-5% of polydimethylsiloxane to obtain an auxiliary surface active composition;

cooling the solution obtained in the step (4) to 30-50 ℃, wherein the weight ratio of the solution to the auxiliary surface active composition is (3-5): 1 to obtain a mixed solution, then adding the cetrorhium chloride and the cocamidopropyl betaine into the mixed solution in proportion, and homogenizing for 1-10 minutes.

In a preferred embodiment, the preparation method further comprises the steps of:

after the solution and the auxiliary surface active composition are mixed, and before the cetrimide and the cocamidopropyl betaine are added, 0.5-5% of zinc pyrithione prefabricated liquid is also added, and the steps of stirring for 5-15 minutes and homogenizing for 1-5 minutes are included, wherein the zinc pyrithione prefabricated liquid is obtained by dispersing zinc pyrithione in pure water.

In the step (5), when the cetrorhimmonium chloride and the cocamidopropyl betaine are added, the method also comprises the steps of adding 1-5% of glycerol, 0.01-0.5% of sodium hyaluronate and 0.01-0.5% of EDTA disodium to obtain a first solution; after the step (5), the method also comprises the following steps:

mixing 0.1-1% of essence, 0.1-1% of benzyl alcohol, 0.1-1% of phenoxyethanol and 0.01-0.5% of chlorphenesin at 35-55 ℃ to obtain a second solution;

and adding the second solution and 0.01-0.5% of sodium chloride into the first solution, and homogenizing for 2-6 minutes to obtain the water-soluble hair washing cream.

The foregoing disclosure is further illustrated by the following specific examples in order to provide further understanding and appreciation of the invention and to highlight its progressive effects.

Examples 1-2 and comparative examples 1-5 were prepared according to the compositional ratios of table 1. The preparation method comprises the following steps:

(1) respectively dissolving guar gum hydroxypropyl trimethyl ammonium chloride and acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer by water according to a certain proportion to respectively obtain a guar gum hydroxypropyl trimethyl ammonium chloride prefabricated liquid and an acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer prefabricated liquid for later use;

the preparation method of the acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer prefabricated liquid comprises the following steps: soaking the acrylic acid (ester)/C10-30 alkanol acrylate crosslinked polymer in pure water for 10-15 hr.

The preparation method of the guar gum hydroxypropyl trimethyl ammonium chloride prefabricated liquid comprises the following steps: guar hydroxypropyl trimonium chloride was dispersed with purified water.

(2) Adding a proper amount of pure water into a container, ensuring that the aqueous solution is at a temperature of between 80 and 95 ℃, adding sodium laureth sulfate according to a proportion, stirring the mixture until the sodium laureth sulfate is completely dissolved, wherein the stirring time is 10 to 20 minutes, and the homogenizing time is 2 to 10 minutes;

(3) adding a guar gum hydroxypropyl trimethyl ammonium chloride prefabricated solution into the solution obtained in the step (2), stirring for 5-15 minutes, and homogenizing for 1-5 minutes;

(4) adding acrylic acid (ester)/C10-30 alkanol acrylate cross-linked polymer prefabricated liquid into the solution obtained in the step (3), stirring for 5-15 minutes, and homogenizing for 1-5 minutes;

(5) mixing and dispersing the% palm kernel oleic acid, the cocamide DEA and the% polydimethylsiloxane to obtain the auxiliary surface active composition for later use. And (3) starting circulating cooling water to cool, cooling the solution obtained in the step (4) to 30-50 ℃, and mixing the obtained solution and the auxiliary surface active composition according to the weight ratio of (3-5): 1 to obtain a mixed solution, adding the zinc pyrithione prefabricated solution according to the proportion, then adding the cetroronium chloride and the cocamidopropyl betaine, then adding the sodium hyaluronate and the 0.01-0.5 percent of disodium EDTA, stirring for 5-25 minutes, and homogenizing for 1-10 minutes to obtain a first solution. The zinc pyrithione pre-solution is obtained by dispersing zinc pyrithione in pure water.

Mixing 0.1-1% of essence, 0.1-1% of benzyl alcohol, 0.1-1% of phenoxyethanol and 0.01-0.5% of chlorphenesin at 35-55 ℃ to obtain a second solution;

and adding the second solution and 0.01-0.5% of sodium chloride into the first solution, and homogenizing for 2-6 minutes to obtain the water-soluble hair washing cream.

TABLE 1

The shampoo prepared in examples 1-2 and comparative examples 1-5 was subjected to a foam height number test experiment, a user-used foam property sensitization evaluation experiment, and a user-used softness property sensitization evaluation experiment. The specific experimental method is as follows:

foam height number test experiment: the super thermostat is preheated to 40 +/-0.5 ℃, and the Rockwell foam meter is kept at the constant temperature of 40 +/-0.5 ℃. Weighing 2.5g of sample, adding 100mL of 1500mg/kg hard water, adding 900mL of pure water, heating to 40 +/-0.5 ℃, stirring to uniformly dissolve the sample (the time from the beginning of dissolving the sample by adding water is 30 minutes), washing the tube wall of the foam instrument to be clean by using the pure water, sucking part of the test solution by using a 200mL quantitative funnel, washing the tube completely but no foam is left in the tube, putting the test solution into the bottom of the foam instrument to align to a standard scale to 50mL, sucking the test solution by using the 200mL quantitative funnel, fixing the central position of the funnel, putting down the test solution, immediately starting a stopwatch, recording the foam height (taking the average height of the foam edge and the top), reading the second reading at the end of 5 minutes, taking the average value of the two times of data, recording the result by keeping an integer, and repeating the experiment.

The user uses the foam performance sensitization evaluation experiment: the experimental population is as follows: 100 volunteers aged 20-40 years. The shampoo prepared in examples 1-2 and comparative examples 1-5 was used by each volunteer, and after three months of use, the volunteers scored the foam properties of each shampoo used, with a score of 1-5, 1 score representing easy-to-break and loose foam, 5 scores representing fine, soft and dense foam, and the higher the score, the more preferred the consumer. And (4) counting the average user score of each type of shampoo.

The user uses the compliance performance photosensitive evaluation experiment: the experimental population is as follows: 100 volunteers aged 20-40 years. The shampoo prepared in the examples 1-2 and the comparative examples 1-5 is used by each volunteer, and after three months of use, the volunteers score the softness of each shampoo, wherein the score is 1-5, the score is 1 represents rough, the score is 5 represents smooth, and the higher the score is, the more satisfied the experience of consumers is. And (4) counting the average user score of each type of shampoo.

The data of the specific experimental results are shown in table 2.

TABLE 2

	Example 1	Example 2	Comparative example 1	Comparative example 2	Comparative example 3	Comparative example 4	Comparative example 5
								Luo's foam height (mm)	146	141	116	109	118	121	131
Average foam point	4.9	4.9	4.0	3.9	4.1	4.2	4.3
								Compliance mean score	5.0	5.0	4.3	4.1	3.9	4.4	3.5

As can be seen from the data in table 2, the shampoo prepared in the embodiments 1 and 2 of the present invention has a high roche foam height, and after the user experiences the shampoo, the average foam score is as high as 4.9, the average flexibility score is as high as 5, and the user experience is good.

In comparative example 1, sodium laureth sulfate was not added, and the resulting shampoo having a lower Roche lather height and a less pleasing user experience was obtained.

In comparative example 2, with the addition of cocamidopropyl betaine, the resulting shampoo had a lower Roche lather height and a less pleasing user experience.

Comparative example 3 no guar hydroxypropyl trimonium chloride was added, resulting in a shampoo having a lower roche foam height, a less user experience, and a very low average softness score.

The amount of cocamidopropyl betaine added in comparative example 4 was outside the range of the formulations of the present application, resulting in a lower Roche lather height and a less experienced user experience.

In comparative example 5, cetroronium chloride was not added, and the resulting shampoo having a lower roche foam height, a less user-experienced feel, and a minimum average softness score.

In conclusion, the formula of the shampoo is reasonable, and the obtained shampoo has higher Roche foam height and better user experience.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.