CN115227601A

CN115227601A - Shower gel and preparation method thereof

Info

Publication number: CN115227601A
Application number: CN202210997950.0A
Authority: CN
Inventors: 魏小香; 杨艺明; 谢谦; 肖有兵
Original assignee: Xiamen Haima Cosmetics Co ltd
Current assignee: Xiamen Haima Cosmetics Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-10-25

Abstract

The application discloses a shower gel, which relates to the field of daily chemical articles and comprises the following components in percentage by weight: phase A: sodium laureth sulfate; hydroxypropyl methylcellulose; konjac glucomannan; potassium hydroxide; disodium EDTA; the balance of water; phase B: sodium methyl cocoyl taurate; cocamidopropyl betaine; lauric acid; hydrogenated castor oil; phenoxyethanol, ethylhexyl glycerol; and phase C: cocamide DEA; mica; sodium chloride; glycerol; citric acid; an essence; DMDM hydantoin. This application has the effect that makes mica can stabilize the suspension in the shower bath.

Description

Shower gel and preparation method thereof

Technical Field

The application relates to the field of daily chemical articles, in particular to shower gel and a preparation method thereof.

Background

The shower gel is also called shower gel, is a liquid cleaning agent used during bathing, has better touch compared with the traditional cleaning soap, and can mildly moisten the skin.

In the time of upgrading consumption, consumers no longer meet the requirements of shower gel with only a washing effect and a single function, for example, mica components are added into the shower gel, the mica belongs to natural mineral substances and has stable chemical properties, and mica powder has the advantages of being fine, smooth, elastic, appropriate in luster, good in moisture retention and the like, can enrich the color of the shower gel, and brings a unique experience to people in bathing skin feeling.

At present, mica is suspended by using a thickener such as an acrylate copolymer, however, the acrylate thickener is easily influenced by pH value, a neutralizing agent, a neutralization degree, an electrolyte and the like, the formula stability is easily influenced due to improper operation in actual production, the suspension stability of the mica is further influenced, deposition is caused, and temperature rise defoaming treatment is required to be carried out when the acrylate thickener is used for preparing shower gel, and the production efficiency is low, so that improvement is needed.

Disclosure of Invention

In order to enable mica to be stably suspended in the shower gel, the application provides the shower gel and the preparation method thereof.

In a first aspect, the application provides a shower gel which adopts the following technical scheme:

the shower gel is prepared from the following components in percentage by weight:

phase A: 4-20% of sodium laureth sulfate; 0.05 to 0.5 percent of hydroxypropyl methyl cellulose; 0.0001 to 0.0004 percent of potassium hydroxide; 0.05 to 0.4 percent of EDTA disodium; the balance of water;

phase B: sodium methyl cocoyl taurate 0.1-0.5%; 1.2-6.0% of cocamidopropyl betaine; 0.1 to 0.4 percent of lauric acid; hydrogenated castor oil 0.1-0.6%; 0.005-0.045% of phenoxyethanol and 0.005-0.045% of ethylhexyl glycerol; and

and C phase: 0.5 to 4.5 percent of cocamide DEA; 0.02-0.45% of mica; 0.5 to 3.0 percent of sodium chloride; 0.05 to 0.45 percent of glycerol; 0.005-0.035% of citric acid; 0.4 to 0.8 percent of essence; DMDM hydantoin 0.1-0.55%.

By adopting the technical scheme, the hydroxypropyl methyl cellulose and the sodium chloride are used as the thickening agent to replace the acrylate copolymer, the hydroxypropyl methyl cellulose is rich in raw materials, renewable, safe, non-toxic, low in cost and excellent in water solubility, and the long chain of the hydroxypropyl methyl cellulose can be associated with the surrounding water molecules through hydrogen bonds through hydration expansion, so that the solution is good in transparency and stable in viscosity, and mica can be stably suspended;

meanwhile, as a plurality of surfactants are added into the shower gel, a plurality of complex systems such as an anion/zwitter ion surfactant complex system, an anion/nonionic surfactant complex system, a zwitter ion/nonionic surfactant complex system and the like can be added and synergized, the capability and the efficiency of the surfactants for reducing the surface tension of the liquid are enhanced, the surfactants can be self-assembled to form a micelle structure, and sodium chloride is added into the shower gel, so that the micelles are converted into columnar micelles with certain flexibility and larger scale, and the micelles are mutually wound to form a three-dimensional network structure with viscoelasticity, thereby further enriching the network structure in the shower gel and obviously improving the suspension stability of mica in the shower gel;

therefore, the invention can ensure the stable suspension of the mica in the shower gel, enrich the color of the shower gel and simultaneously exert the benefit of the mica on skin cleaning; the shower gel has the advantages that the astringent feeling can be reduced when the shower gel is used, the skin is moistened mildly, the shower gel has good cleaning power, and compared with a traditional thickener of acrylate copolymer, hydroxypropyl methylcellulose and sodium chloride are adopted as the thickener for compounding, and the thickener is thickened in a synergistic manner, so that the formula is stable, the foaming speed is high, the temperature rise and defoaming are not needed during preparation, the production efficiency is high, the operation is simple and easy, the prepared shower gel has the advantages of stable formula, low cost and strong popularization.

Preferably, the composition is prepared from the following components in percentage by weight:

phase A: 10% of sodium laureth sulfate; 0.2% of hydroxypropyl methyl cellulose; 0.0002% of potassium hydroxide; 0.1% of EDTA disodium; the balance of deionized water;

phase B: sodium methyl cocoyl taurate 0.2%; cocamidopropyl betaine 3.175%; 0.15 percent of lauric acid; hydrogenated castor oil 0.275%; 0.015 percent of phenoxyethanol; 0.015% of ethylhexyl glycerol; and

and C phase: 1.5 percent of cocamide DEA; 0.1 percent of mica; 1.8 percent of sodium chloride; 0.2% of glycerol; 0.01 percent of citric acid; 0.6 percent of essence; DMDM hydantoin, 0.35%.

Preferably, the konjac glucomannan product also comprises 0.02-0.2% by weight of konjac glucomannan.

By adopting the technical scheme, the konjac glucomannan is high molecular weight water-soluble nonionic glucomannan and has better water solubility, and because the phase A contains potassium hydroxide, the konjac glucomannan can be deacetylated in the presence of alkali, so that the number of hydrogen bonds in the konjac glucomannan is increased, a three-dimensional network structure is formed, and the support property to suspended mica in the shower gel is enhanced;

and the hydroxypropyl methyl cellulose and the konjac glucomannan can form a compound system, the mutual synergistic action between the hydroxypropyl methyl cellulose and the konjac glucomannan can generate the effect of enhancing the thickening, as the molecular chains of the hydroxypropyl methyl cellulose and the konjac glucomannan have certain flexibility, the heliciform shape can be formed, the molecular chains can be mutually intertwined together to form an interpenetrating network physical interlocking structure, and the existence of the interpenetrating network physical interlocking structure can lead one component to be forcibly cooperated to attract and repel when the other component expands or contracts, thereby obviously improving the suspension stability of the mica in the shower gel.

phase A: 4-4.2% of sodium laureth sulfate; 0.05 to 0.5 percent of hydroxypropyl methyl cellulose; 0.0001 to 0.0004 percent of potassium hydroxide; 0.05 to 0.4 percent of EDTA disodium; the balance of water;

phase B: 0.1 to 0.2 percent of methyl cocoyl sodium taurate; 1.2-1.4% of cocamidopropyl betaine; 0.1 to 0.4 percent of lauric acid; hydrogenated castor oil 0.1-0.6%; 0.005-0.045% of phenoxyethanol and 0.005-0.045% of ethylhexylglycerin; and

and C phase: 0.5 to 0.6 percent of cocamide DEA; 0.02-0.45% of mica; 0.5 to 3.0 percent of sodium chloride; 0.05 to 0.45 percent of glycerol; 0.005-0.035% of citric acid; 0.4 to 0.8 percent of essence; DMDM hydantoin 0.1-0.55%.

Preferably, the hydroxypropyl methylcellulose has a methoxyl content of 20-35%, for example, methoxyl content of 20%, 23%, 25%, 27%, 29%, 31%, 33%, 35%, and hydroxypropoxyl content of 18-30%, for example, hydroxypropoxyl content of 18%, 20%, 22%, 24%, 26%, 28%, 30%.

By adopting the technical scheme, the hydroxypropyl methyl cellulose is actually a product obtained by modifying methyl cellulose through propylene oxide, and the modified hydroxypropyl methyl cellulose contains high-content hydroxypropyl, so that the water solubility of the hydroxypropyl methyl cellulose can be improved.

Preferably, the particle size of the hydroxypropyl methylcellulose is between 0.2 and 0.5mm, for example, the particle size of the hydroxypropyl methylcellulose can be 0.2mm, 0.3mm, 0.4mm, 0.5mm.

By adopting the technical scheme, when the particle size of the hydroxypropyl methyl cellulose is between 0.2 and 0.5mm, the hydroxypropyl methyl cellulose has better water solubility at normal temperature.

Preferably, the polymerization degree of the konjac glucomannan is between 160 and 240, and the molecular weight is between 250000 and 950000, for example, the polymerization degree of the konjac glucomannan can be 160, 180, 200, 220 and 240, and the molecular weight of the konjac glucomannan can be 250000, 350000, 450000, 550000, 650000, 750000, 850000 and 950000.

Preferably, the sodium laureth sulfate may be present in an amount of 4%, 6%, 8%, 10%, 12%, 14%, 16%, 18%, 20%, the sodium methylcocoyltaurate may be present in an amount of 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, the cocamidopropyl betaine may be present in an amount of 1.2%, 1.6%, 2.0%, 2.4%, 2.8%, 3.2%, 3.6%, 4.0%, 4.4%, 4.8%, 5.2%, 5.6%, 6.0%, the cocamide DEA may be present in an amount of 0.5%, 1.0%, 1.5%, 2.0%, 2.5%, 3.0%, 3.5%, 4.0%, 4.5%.

In a second aspect, the preparation method of the shower gel provided by the application adopts the following technical scheme:

a preparation method of the shower gel comprises the following preparation steps:

s1: weighing each phase A component according to the component proportion, and mixing to obtain a first mixture;

s2: weighing and mixing the B-phase components according to the component proportion, and adding the mixed B-phase components into the first mixture to obtain a second mixture;

s3: weighing and mixing the C-phase components according to the component proportion, adding the mixed C-phase components into the second mixture to obtain a third mixture, and adjusting the viscosity range of the third mixture to 5000-10000mpa.s to obtain the shower gel.

Preferably, the viscosity of the third mixture is adjusted to a range of 6000 to 9000mpa.s.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) According to the invention, hydroxypropyl methyl cellulose, konjac glucomannan and sodium chloride are adopted as thickening agents for compounding, and mutual synergistic effect can generate an effect of enhancing thickening, so that an interpenetrating network physical interlocking structure is formed, and the suspension of mica can be stably supported;

(2) According to the invention, a compound system is formed by adding various surfactants, so that micelles are mutually wound to form a three-dimensional network structure with viscoelasticity, and the network structure in the shower gel is further enriched, thereby remarkably improving the suspension stability of mica in the shower gel;

(3) The shower gel prepared by the invention has an excellent cleaning effect, can reduce the astringent feeling of skin during cleaning, is easy to wash clean without residue on the skin, moistens and softens the skin, has good stability of a used formula, does not need to be heated for defoaming during preparation of the shower gel, has high production efficiency, simple preparation process, low preparation cost and good popularization, and is not easy to cause instability of the formula due to improper operation.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

Example 1:

step one; weighing 10% of sodium laureth sulfate, 0.2% of hydroxypropyl methylcellulose (wherein the particle size of the hydroxypropyl methylcellulose is 0.3mm, the content of methoxyl is 20%, and the content of hydroxypropoxyl is 26%), 0.1% of konjac glucomannan (wherein the polymerization degree of the konjac glucomannan is 180 and the molecular weight is 550000), 0.0002% of potassium hydroxide, 0.1% of EDTA disodium and 81.21% of deionized water according to the component proportion, mixing, putting into a stirring kettle, and stirring at normal temperature until complete dissolution to obtain a first mixture;

step two: weighing 0.2% of methyl cocoyl sodium taurate, 3.175% of cocamidopropyl betaine, 0.15% of lauric acid, 0.275% of hydrogenated castor oil, 0.015% of phenoxyethanol and 0.015% of ethylhexyl glycerol according to the proportion of the components, mixing, adding into the first mixture, and stirring at normal temperature until the mixture is completely dissolved to obtain a second mixture;

step three: weighing 1.5% of cocamide DEA, 0.1% of mica, 1.8% of sodium chloride, 0.2% of glycerol, 0.01% of citric acid, 0.6% of essence and 0.35% of DMDM hydantoin according to the component proportion, mixing, adding into the second mixture, stirring at normal temperature until the mixture is completely dissolved to obtain a third mixture, adjusting the viscosity of the third mixture to 8000mpa.s, and filtering out of the pot to prepare the shower gel.

Example 2:

this example differs from example 1 in that sodium laureth sulfate 4%, hydroxypropylmethylcellulose 0.05%, konjac glucomannan 0.02%, potassium hydroxide 0.0001%, disodium EDTA 0.05%, deionized water 92.79%, sodium methylcocoyl taurate 0.2%, cocamidopropyl betaine 3.175%, lauric acid 0.15%, hydrogenated castor oil 0.275%, phenoxyethanol 0.015%, ethylhexylglycerin 0.015%, cocamide DEA1.5%, mica 0.1%, sodium chloride 1.8%, glycerin 0.2%, citric acid 0.01%, perfume 0.6%, DMDM hydantoin 0.35%, and the rest is the same as example 1.

Example 3:

this example differs from example 1 in that sodium laureth sulfate 20%, hydroxypropylmethylcellulose 0.5%, konjac glucomannan 0.2%, potassium hydroxide 0.0004%, disodium EDTA 0.4%, deionized water 61.52%, sodium methylcocoyl taurate 0.5%, cocamidopropyl betaine 6.0%, lauric acid 0.4%, hydrogenated castor oil 0.6%, phenoxyethanol 0.045%, ethylhexylglycerin 0.045%, cocamide DEA4.5%, mica 0.45%, sodium chloride 3.0%, glycerin 0.45%, citric acid 0.035%, perfume 0.8%, DMDM hydantoin 0.55%, and the rest is the same as example 1.

Example 4:

the difference between this example and example 1 is that konjac glucomannan 0.05%, deionized water 81.26%, and the rest are the same as example 1.

Example 5:

this example differs from example 1 in that 0.1% of hydroxypropylmethylcellulose, 81.31% of deionized water, and the rest is the same as example 1.

Example 6:

this example differs from example 1 in that 1.0% sodium chloride, 82.00% deionized water, and the rest is the same as example 1.

Example 7:

this example differs from example 1 in that sodium laureth sulfate 4%, sodium methylcocoyltaurate 0.1%, cocamidopropyl betaine 1.2%, cocamide DEA0.5%, deionized water 90.28%, and the rest was the same as example 1.

The selection of the components and parts by weight of the shower gel in examples 1-7 is shown in table 1:

TABLE 1

Comparative example 1:

the method comprises the following steps: weighing 10% of sodium laureth sulfate, 0.2% of hydroxypropyl methylcellulose (wherein the particle size of the hydroxypropyl methylcellulose is 0.3mm, the content of methoxyl is 20%, the content of hydroxypropoxyl is 26%), 0.0002% of potassium hydroxide, 0.1% of disodium EDTA and 79.31% of deionized water according to the component proportion, mixing, putting into a stirring kettle, and stirring at normal temperature until complete dissolution to obtain a first mixture;

Comparative example 2:

the comparative example is different from comparative example 1 in that hydroxypropylmethylcellulose 0%, konjac glucomannan 0.1%, deionized water 79.41%, and the rest are the same as comparative example 1.

Comparative example 3:

the difference between the comparative example and the comparative example 1 is that konjac glucomannan is 0.1%, sodium chloride is 0%, deionized water is 81.01%, and the rest is the same as the comparative example 1.

Comparative example 4:

the difference between the comparative example and the comparative example 1 is that 0% of hydroxypropyl methyl cellulose, 0% of konjac glucomannan, 0% of sodium chloride, 2.1% of polyacrylic acid thickener, 81.21% of deionized water and the balance of the comparative example 1 are the same.

The selection of the components and parts by weight of the shower gel in comparative examples 1 to 4 is shown in table 2:

TABLE 2

And (3) performance inspection and test:

1. and (3) suspension stability test: the shower gels of examples 1 to 7 and comparative examples 1 to 4 were respectively filled in 60ml transparent plastic bottles, 10 testers were selected, and the suspension of mica in the shower gel after being left for 24 hours, 30 days and 90 days was scored, respectively, with the scoring criterion of 5 points, 1 point being the worst, 5 points being the best, and the evaluation result being the average of the scores of all the testers, with the higher the average score being the better.

2. Evaluation of feeling of use: the method comprises the steps of selecting 10 testers, conducting blind test on the shower gels prepared in the examples 1-7 and the comparative examples 1-4, enabling the testers to wet arms, taking a proper amount of samples to be placed on the wet bath balls, rubbing the bath balls with two hands to generate foams, conducting repeated gentle rubbing on the arms for a plurality of times, finally washing the foams on the bodies of the testers with clear water, grading the easy-to-wash degree and the after-wash moistening degree according to the use feeling of the testers, grading the grading standard by 5 grades, wherein the grade is the worst grade by 1 grade and the best grade by 5 grades, and the grading result is the average score of all the testers, and the higher the average score is better.

The results of the performance test of examples 1-7 and comparative examples 1-4 are shown in table 3:

TABLE 3

From the above table, it can be seen that:

(1) It can be known from comparison between examples 1 to 6 and comparative examples 1 to 4 that compounding a certain amount of hydroxypropyl methylcellulose, konjac glucomannan and sodium chloride can play a role in excellent synergistic thickening, compared with a polyacrylic acid thickener, the thickening stability is better, the three-dimensional network structure in the shower gel is enriched, and the mica suspended in the shower gel can be stably supported, so that the shower gel prepared in the examples is superior to the comparative examples in the suspension stability of the mica, and the performances in the aspects of the easy-to-wash degree and the post-wash wettability are equal to or slightly superior to the comparative examples. Moreover, the thickening agent with higher components is adopted, so that the suspension stability of the mica can be further enhanced, and the comprehensive performance of the shower gel is improved.

(2) It can be seen from the comparison between example 1 and example 7 that the shower gel prepared by using a low-dose surfactant still has excellent thickening stability, low manufacturing cost and good economic applicability.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The shower gel is characterized by comprising the following components in percentage by weight:

phase B: 0.1 to 0.5 percent of methyl cocoyl sodium taurate; 1.2-6.0% of cocamidopropyl betaine; lauric acid 0.1-0.4%; hydrogenated castor oil 0.1-0.6%; 0.005-0.045% of phenoxyethanol and 0.005-0.045% of ethylhexylglycerin; and

and C phase: 0.5 to 4.5 percent of cocamide DEA; 0.02-0.45% of mica; 0.5 to 3.0 percent of sodium chloride; 0.05 to 0.45 percent of glycerin; 0.005-0.035% of citric acid; 0.4 to 0.8 percent of essence; DMDM hydantoin 0.1-0.55%.

2. The shower gel according to claim 1, which is prepared from the following components in percentage by weight:

phase A: 10% of sodium laureth sulfate; hydroxypropyl methylcellulose 0.2%; 0.0002% of potassium hydroxide; 0.1% of EDTA disodium; the balance of deionized water;

and C phase: 1.5 percent of cocamide DEA; 0.1 percent of mica; 1.8 percent of sodium chloride; 0.2% of glycerin; 0.01 percent of citric acid; 0.6 percent of essence; DMDM hydantoin 0.35%.

3. The body wash of claim 1, further comprising konjac glucomannan, wherein the konjac glucomannan is present in an amount of 0.02 to 0.2% by weight.

4. The shower gel according to claim 1 or 3, which is prepared from the following components in percentage by weight:

phase B: 0.1 to 0.2 percent of methyl cocoyl sodium taurate; 1.2-1.4% of cocamidopropyl betaine; lauric acid 0.1-0.4%; hydrogenated castor oil 0.1-0.6%; 0.005-0.045% of phenoxyethanol and 0.005-0.045% of ethylhexylglycerin; and

and C phase: 0.5 to 0.6 percent of cocamide DEA; 0.02-0.45% of mica; 0.5 to 3.0 percent of sodium chloride; 0.05 to 0.45 percent of glycerin; 0.005-0.035% of citric acid; 0.4 to 0.8 percent of essence; DMDM hydantoin 0.1-0.55%.

5. The body wash of claim 1, wherein the hydroxypropyl methylcellulose has a methoxyl content of 20-35% and a hydroxypropoxyl content of 18-30%.

6. The body wash of claim 1, wherein the hydroxypropyl methylcellulose has a particle size of between 0.2-0.5 mm.

7. The body wash of claim 3, wherein the konjac glucomannan has a degree of polymerization of 160-240 and a molecular weight of 250000-950000.

8. A method for preparing the body wash according to any one of claims 1 to 7, which comprises the following preparation steps:

s1: the component proportion of the shower gel according to any one of claims 1 to 7, wherein each phase A component is weighed and mixed to obtain a first mixture;

s3: weighing and mixing the C phase components according to the component proportion, adding the mixed C phase components into the second mixture to obtain a third mixture, and regulating the viscosity range of the third mixture to 5000-10000mpa.s to obtain the shower gel.

9. The method for producing a shower gel according to claim 8, wherein the viscosity of the third mixture is adjusted to 6000 to 9000mpa.s.