CN111467276B

CN111467276B - Essential oil bath gel and preparation method thereof

Info

Publication number: CN111467276B
Application number: CN202010383920.1A
Authority: CN
Inventors: 蒋加拉; 滕晖; 邹亚丽; 孟君; 周航; 林涛
Original assignee: Qianjin Pharmaceutical Co ltd
Current assignee: Qianjin Pharmaceutical Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2023-02-28
Anticipated expiration: 2040-05-08
Also published as: CN111467276A

Abstract

The invention belongs to the technical field of daily chemicals, and particularly relates to an essential oil bath gel and a preparation method thereof. The bath gel prepared by combining the pelargonium roseum oil, the calendula officinalis extract, the astragalus platyphylla extract, the liquorice extract, the cocamidopropyl betaine, the lauryl glucoside, the disodium cocoyl glutamate and the sodium cocoyl sulfate surfactant according to a certain proportion has good detergency, moisturizing activity, foamability and stability, and the components used are highly natural, have lasting special plant fragrance, are safe and non-irritant, and are favored by vast testers.

Description

Essential oil bath gel and preparation method thereof

Technical Field

The invention belongs to the technical field of daily chemicals. More particularly, relates to an essential oil bath gel and a preparation method thereof.

Background

With the continuous improvement of living standard, people pay more and more attention to the self sanitary bathing condition, and the shower gel has replaced the perfumed soap to become a necessary bathing article for every family. When the shower gel product is used for bathing, the grease and scurf on the skin can be effectively removed, and the comfort of the human body is improved.

Most of shower gel products in the current market are made of chemical raw materials, such as cationic polymer, silicone oil, fatty alcohol polyoxyethylene ether sulfate, alkanolamide and the like, for example, chinese patent application CN109793671A discloses a compound functional bath agent rich in magnesium chloride, the bath agent is mainly made of a magnesium chloride compound, organic acid, carbonate and a surfactant, can achieve the basic cleaning function, and can absorb magnesium element, but the adopted indication active agent has various types, also comprises various chemical synthetic raw materials such as fatty alcohol polyoxyethylene ether and the like, has stimulation effect on skin, has certain potential safety hazard after long-term use, and can cause the problems of dry and tight skin after use; chinese patent application CN110464699A discloses a plant moistening bath foam which is mainly prepared from aloe, tea tree essential oil, almond oil, olive oil, honey and the like, has good cleaning effect and moistening and comfort effects, but the effective components of plant essential oil or extract in the bath foam are easy to decompose and oxidize, the effect after long-term storage is obviously reduced, certain negative effects on sensory properties are caused, the stability is poor, the foamability is weak, and the use experience is greatly reduced.

Therefore, the essential oil bath gel which has good decontamination effect, moisture retention, abundant foam and high stability is urgently needed to be provided.

Disclosure of Invention

The essential oil shower gel provided by the invention aims to overcome the defects and shortcomings of large irritation, certain potential safety hazard, dry and tight skin after washing and poor stability of active ingredients of plant-derived essential oil or extract shower gel in the existing chemical shower gel, and has the advantages of good decontamination effect, moisture retention and high stability.

The invention aims to provide a special composition for essential oil bath gel.

The invention also aims to provide the essential oil bath gel taking the composition as the main active ingredient.

The invention also aims to provide a preparation method of the essential oil bath gel.

The above purpose of the invention is realized by the following technical scheme:

a moisturizing composition, particularly a composition suitable for use with essential oil shower gels, comprises geranium oil, calendula extract, astragalus platyphylla extract, licorice extract, cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate, and sodium cocoyl sulfate.

Furthermore, the mass ratio of pelargonium graveolens oil, calendula officinalis extract, astragalus platyphylla extract, liquorice extract, cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate and sodium cocoyl sulfate is (0.005-0.05), (3-12), (4-15), (2-8) and (2-8).

The pelargonium roseum oil is also called as rose pelargonium essential oil, is obtained by distilling pelargonium roseum leaves, is colorless or light green, has strong comprehensive sweet taste, has the fragrance which is similar to that of roselle and has lemon flavor, mainly comprises citronellol, citronellyl formate, pinene, terpineol, citral, menthone and the like, and has the effects of promoting blood circulation, dredging channels and collaterals, astringing, relieving pain, inhibiting bacteria, resisting bacteria, repairing scars, balancing sebum secretion and the like; the main components of the calendula extract comprise lutein, zeaxanthin and the like, and the calendula extract has the effects of resisting aging, resisting oxidation, diminishing inflammation, resisting bacteria and the like; the main components of the astragalus platyphylla extract comprise flavonoids, saponin amino acids and the like, and have the effects of resisting oxidation, resisting allergy, resisting inflammation, promoting the generation of collagen and the like; the Glycyrrhrizae radix extract mainly contains glycyrrhizin, glycyrrhizic acid, liquiritin, glycyrrhrizae radix flavonoid, quercetin, etc., and has effects of preventing sunburn, whitening skin, resisting oxidation, and resisting allergy. The inventor finds in practice that when the pelargonium roseum oil, the calendula officinalis extract, the astragalus platyphylla extract and the liquorice extract are combined with the cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate and sodium cocoyl sulfate surfactant according to a certain proportion for use, on one hand, the pelargonium roseum oil, the calendula officinalis extract, the astragalus platyphylla extract and the liquorice extract can remarkably reduce the dry and tight skin caused by the surfactants, and achieve the moisturizing effect; on the other hand, the surfactant with the specific combination can improve the stability of the active substances from plants, so that the prepared bath gel product can still keep better decontamination and moisture retention effects after being placed alternately at high and low temperatures for 90 days.

Preferably, the mass ratio of pelargonium graveolens oil, calendula officinalis extract, astragalus platyphylla extract, liquorice extract, cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate and sodium cocoyl sulfate is (0.01-0.03), (3-8), (5-10), (2-6) and (2-6). In practice, the sodium cocoyl sulfate is added to improve the foaming property of the product and ensure that the foam is rich and fine.

More preferably, the mass ratio of geranium oil, calendula extract, astragalus platyphylla extract, licorice extract, cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate, sodium cocoyl sulphate is 0.01.

The application of the composition in preparing the washing and caring product with moisturizing effect also falls within the protection scope of the invention. Meanwhile, different types of daily chemical product auxiliary materials can be added to prepare various daily chemical cleaning and protecting products. Such as condensation, etc.

In addition, the invention also provides an essential oil bath gel which takes the composition as a main active ingredient.

Further, the formulation is as follows:

phase A: 2-8% of sodium coco-alcohol sulfate and water, which are added to 100% of the total formula;

phase B: 3-12% of cocamidopropyl betaine, 4-15% of lauryl glucoside and 2-8% of disodium cocoyl glutamate;

and C phase: 0.1 to 0.5 percent of lactic acid, 0.05 to 0.3 percent of essence, 0.005 to 0.05 percent of geranium oil, 0.005 to 0.05 percent of marigold extract, 0.005 to 0.05 percent of platymus platyphylla extract, 0.005 to 0.05 percent of liquorice extract, 0.1 to 0.5 percent of phenoxyethanol and 0.1 to 0.5 percent of sodium benzoate.

In addition, the invention also provides a preparation method of the bath gel, which comprises the following steps:

s1, accurately weighing the phase A water, then adding other raw materials of the phase A, starting stirring, heating to 80-85 ℃, keeping the temperature for not less than 15min, and cooling;

s2, cooling to 50-65 ℃, sequentially adding the raw materials of the phase B, continuously stirring at a stirring speed of 25-35 rpm until the mixture is completely uniform and has no particles, preserving the heat for 10-20 min, and beginning to cool;

s3, cooling to below 48 ℃, putting the weighed C-phase raw material into an emulsifying pot, vacuumizing and stirring until the C-phase raw material is completely and uniformly dissolved, continuing to keep the temperature and stir for 8-20 min, and then cooling;

s4, cooling to below 40 ℃, adjusting the pH value to be within the range of 5-7, adjusting the viscosity to be 2500-3500, and enabling the obtained product to be light yellow, transparent, uniform and consistent; discharging after the characteristic smell is qualified.

The invention has the following beneficial effects:

the bath gel with the essential oil is prepared by combining pelargonium roseum oil, calendula officinalis extract, astragalus platyphylla extract and liquorice extract with cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate and sodium cocoyl sulfate surfactant according to a certain proportion, has good detergency and moisturizing activity, and is high in foamability and stability, highly natural in used components, long-lasting in special plant fragrance, safe and non-irritant, and popular with vast testers.

Detailed Description

The present invention is further illustrated by the following specific examples, which are not intended to limit the invention in any way. Reagents, methods and apparatus used in the present invention are conventional in the art unless otherwise indicated.

Unless otherwise indicated, reagents and materials used in the following examples are commercially available.

Example 1 an essential oil bath gel

The formula of the essential oil bath gel is shown in the table 1.

Table 1 example 1 essential oil shower gel formulation

The preparation method comprises the following steps:

s1, accurately weighing the phase A water, then adding the other phase A raw materials, starting stirring, heating to 83 ℃, keeping the temperature for not less than 15min, and cooling;

s2, cooling to 60 ℃, sequentially adding the raw materials of the phase B, continuously stirring at the stirring speed of 30rpm until the mixture is completely uniform and has no particles, preserving the heat for 15min, and beginning to cool;

s3, cooling to below 48 ℃, putting the weighed C-phase raw material into an emulsifying pot, vacuumizing and stirring until the C-phase raw material is completely and uniformly dissolved, continuing to stir for 10min at a constant temperature, and then cooling;

Example 2 essential oil bath gel

The formula of the essential oil shower gel is shown in table 2, and the preparation method refers to example 1.

Table 2 example 2 essential oil bath essential oil formulation

Example 3 an essential oil bath gel

The essential oil shower gel formulation is shown in table 3, the preparation method is referred to example 1.

Table 3 example 3 essential oil bath essential oil formulation

Comparative example 1 bath gel

The difference from example 1 is that comparative example 1 does not add geranium oil, and the rest of the parameters and operation refer to example 1.

Comparative example 2 bath gel

The difference from example 1 is that comparative example 2 does not add calendula extract, and the rest of the parameters and operations refer to example 1.

Comparative example 3 bath gel

The difference from example 1 is that comparative example 3 does not add the astragalus platyphylla extract, and the rest of the parameters and operations refer to example 1.

Comparative example 4 bath gel

The difference from example 1 is that comparative example 4 does not add licorice extract, and the rest parameters and operation refer to example 1.

Comparative example 5A bath gel

The difference from example 1 is that comparative example 5 replaces sodium coco-alcohol sulphate with sodium secondary alkyl sulphonate, the remaining parameters and the procedure refer to example 1.

Comparative example 6A bath gel

Except for the difference from example 1, in comparative example 6, cocamidopropyl betaine was replaced with sodium lauryl sulfate, and the rest of parameters and operation were referred to example 1.

Comparative example 7 bath gel

Except for the difference from example 1 that comparative example 7 replaced lauryl glucoside with sodium lauroamphoacetate, and the rest of the parameters and operations refer to example 1.

Comparative example 8 bath gel

The difference from example 1 is that comparative example 8 replaces disodium cocoyl glutamate with laureth-2, and the rest of the parameters and the procedure refer to example 1.

Comparative example 9A bath gel

The difference from example 1 is that comparative example 9 does not add geranium oil, marigold flower extract, astragalus platyphylla extract, licorice extract, and the rest parameters and operation refer to example 1.

Comparative example 10 bath gel

The difference from example 1 is that comparative example 10 does not add sodium coco-alcohol sulphate, the remaining parameters and operation refer to example 1.

Test example 1 bath gel decontamination effect test

Adding 0.5g of bath gel into a beaker, adding water to 10g, shaking up, dripping pure engine oil, shaking, dripping until the last drop of engine oil is insoluble, accurately recording the mass of the bath gel dissolved the pure engine oil, and representing the relative size of the dirt-removing capacity of the bath gel by using the recorded mass, wherein the results are shown in Table 4.

TABLE 4 bath gel decontamination effect

Group of	Detergency (g)
		Purified water	0
Commercially available shower gel	2.2
		Example 1	3.4
Example 2	3.3
		Example 3	3.3
Comparative example 1	2.8
		Comparative example 2	3.1
Comparative example 3	3.0
		Comparative example 4	2.9
Comparative example 5	1.2
		Comparative example 6	1.0
Comparative example 7	1.2
		Comparative example 8	1.1

As can be seen from Table 4, the bath gels prepared in the embodiments 1 to 3 of the invention have the detergency of more than 3g, and have better decontamination effect compared with the commercially available bath lotion; whereas the cleaning effect of the bath gel prepared in the comparative examples 5 to 8 (which respectively replace sodium cocoyl sulfate, cocamidopropyl betaine, lauryl glucoside and disodium cocoyl glutamate) is obviously reduced.

Test example 2 shower gel moisturizing effect test

1. Test materials: shower gels prepared in examples 1 to 3 and comparative examples 1 to 9, commercially available shower gels.

1. Test subjects: volunteers between the ages of 20 and 45.

3. The test method comprises the following steps:

cleaning and bathing with 1ml bath gel or commercially available bath lotion and clean water respectively at room temperature of 25 deg.C and relative humidity of 50%, wiping off water drop, and measuring skin of hand back of subject with digital skin moisture tester at 0.5, 1, 2h before and after bathing to obtain skin moisture content.

4. And (3) test results: see table 5.

Table 5 bath gel moisturizing effect test

As can be seen from table 5, after bathing with the shower gel prepared in examples 1 to 3 of the present invention, the moisture content of the back of the hand was gradually restored to a normal level within 2 hours, and the shower gel had a better moisturizing effect than the commercially available shower gel; whereas the bath gels prepared in comparative examples 1 to 4 (without geranium oil, calendula extract, bidens parviflora extract and licorice extract respectively) have significantly reduced moisturizing effect, and particularly comparative example 9 (without geranium oil, calendula extract, bidens parviflora extract and licorice extract) has substantially no moisturizing effect and has no special pleasant fragrance of plants.

Test example 3 shower gel stability test

After the bath gel samples prepared in examples 1 to 3 and comparative examples 1 to 8 were alternately placed at (-18. + -.1) ℃ and (45. + -.1) ℃ for 90 days at every other day in a thermostat with a relative humidity of 80%, the color change, precipitation, delamination and the like of the samples were observed, and the cleaning effect of the bath gel was measured with reference to examples 1 to 2, and the results are shown in Table 6.

TABLE 6 bath gel stability test results

As can be seen from table 6, the bath gel prepared in the embodiment of the present invention has no significant change in sensory characteristics after being placed alternately at high and low temperatures for 90 days, and has substantially no change in detergency effect and good stability; the bath gels prepared in comparative examples 1 to 8 have different degrees of detergency effect, and comparative examples 5 to 8 have the problems that the odor or aroma of different degrees becomes light and gradually becomes liquid, and the like, and have poor stability.

Test example 4 measurement of skin irritation of shower gel

The skin irritation of the bath gel of example 1 was measured by reference to the skin irritation test of the cosmetic safety specifications (2015 edition) of example 1, and the results are shown in table 7.

TABLE 7 skin irritation results of the shower gels

According to the skin irritation intensity grading standard in the technical specification for cosmetic safety (2015 edition), the result of the acute intact skin irritation test of the bath gel provided by the invention on rabbits is as follows: has no irritation, and meets the requirements of technical Specifications for cosmetic safety (2015 edition).

Test example 5 measurement of shower gel index

The bath gels of examples 1 to 3 were measured for sensory, physicochemical, and microbial indicators, and the detection indicators are shown in table 8.

TABLE 8 measurement of bath gel index

Experimental results show that the bath gel prepared in the embodiments 1-3 completely meets the standard requirements.

Test example 6 measurement of foaming Effect of bath gel

The foaming effect of the shower gels of examples 1 to 3 and comparative example 10 was determined with a foam tester (Sita, germany, signal R-2000): 250mL of the solution to be tested is added to the vector cup, and the volume of foam generated at this time is recorded by stirring at 1000rpm for 60s, which can be used as a measure of the foaming capacity of the sample. The results are shown in Table 9.

TABLE 9 measurement of foaming Effect of bath gels

Group of	Foam volume (mL)
		Example 1	770
Example 2	765
		Example 3	765
Comparative example 10	470

As can be seen from table 9, the bath gels prepared in examples 1 to 3 of the present invention have a rich foam amount, a strong foaming ability, and a fine and stable foam.

Test example 7 trial effect of shower gel

The shower gel of the embodiments 1 to 3 of the invention and the shower gel sold in the market are tried by people, and are respectively graded according to the fragrance, decontamination, moisture retention effect, easy cleaning and liking degree of the product, and each item is 1 to 5 points.

TABLE 10 bath gel trial effect score

As can be seen from table 10, the bath gel prepared in the embodiment of the present invention has high scores of fragrance, decontamination, moisture retention effects, easy cleaning and favorable degree, the total score is over 22, and compared with commercially available bath cream, the bath gel is high in all aspects and total score, and is favored by a large number of testers.

Test example 8 fragrance-retaining test for bath gel

A sensory evaluation method is adopted, 60 testers are randomly arranged, and the bath gel prepared in the examples 1-3 and the comparative example 9 is scored; the evaluation method is that the bath gel is dipped on the fragrance smelling strip, and each bath gel is tested for three times according to the standard that the fragrance retention time is more than or equal to 0 and less than 1h and 0min, the fragrance retention time is more than or equal to 1h and less than 1h and 1-3 min, the fragrance retention time is more than or equal to 1h and less than 4h and less than 7h and 4-6 min, the fragrance retention time is more than or equal to 7h and less than 10h and 9 min, and the fragrance retention time is more than or equal to 10h and less than or equal to 10min, the average value of the three times is taken as the final score of the bath gel, and the adjacent two times are separated by one day. The fragrance retention time test results are shown in Table 11.

TABLE 11 fragrance test for shower gels

Group of	For the first time	For the second time	For the third time	Average score
					Example 1	10	10	9	9.7
Example 2	9	10	9	9.3
					Example 3	10	9	10	9.7
Comparative example 9	6	4	1	3.7

Comparative example 9 the shower gel had a monotonous fragrance in the fragrance-retaining experiment, had no special pleasant fragrance of plants, and had a shorter fragrance-retaining time after use compared with the shower gels of examples 1 to 3.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims

1. An essential oil bath gel characterized by having as an active ingredient a moisturizing composition consisting of geranium oil, calendula extract, astragalus platyphylla extract, licorice extract, cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate and sodium cocoyl sulfate;

the mass ratio of pelargonium graveolens oil, calendula officinalis extract, astragalus platycodi extract, liquorice extract, cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate and sodium cocoyl sulfate is (0.005) - (0.05): 0.005) - (0.05): 3) - (12): 4) - (15): 2) - (8).

2. The essential oil bath gel of claim 1, wherein the mass ratio of pelargonium graveolens oil, calendula officinalis flower extract, astragalus bulbophyllum extract, licorice extract, cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate and sodium cocoyl sulfate is (0.01) - (0.03): 3) - (8): 5) - (10): 2) - (6).

3. The essential oil shower gel of claim 2, wherein the mass ratio of geranium oil, calendula extract, astragalus platyphylla extract, licorice extract, cocamidopropyl betaine, lauryl glucoside, disodium cocoyl glutamate, sodium cocoyl sulfate is 0.01.

4. The essential oil bath gel of claim 1, wherein the formulation is as follows:

phase A: 2 to 8 percent of sodium coco-alcohol sulfate and water, wherein the water is added to make up the total formula of 100 percent;

phase B: 3 to 12 percent of cocamidopropyl betaine, 4 to 15 percent of lauryl glucoside and 2 to 8 percent of disodium cocoyl glutamate;

and C phase: 0.1 to 0.5 percent of lactic acid, 0.05 to 0.3 percent of essence, 0.005 to 0.05 percent of geranium oil, 0.005 to 0.05 percent of calendula extract, 0.005 to 0.05 percent of astragalus bulbus extract, 0.005 to 0.05 percent of liquorice extract, 0.1 to 0.5 percent of phenoxyethanol and 0.1 to 0.5 percent of sodium benzoate.

5. The essential oil shower gel of claim 4 prepared by a process comprising the steps of:

s1, accurately weighing the water of the phase A, then adding other raw materials of the phase A, starting stirring, heating to 80-85 ℃, keeping the temperature for not less than 15min, and cooling;

s2, cooling to 50-65 ℃, sequentially adding the raw materials of the phase B, continuously stirring at a stirring speed of 25-35rpm until the mixture is completely uniform and has no particles, preserving heat for 10-20min, and starting cooling;

s3, cooling to below 48 ℃, putting the weighed C-phase raw material into an emulsifying pot, vacuumizing and stirring until the C-phase raw material is completely dissolved uniformly, continuing to stir for 8 to 20min under heat preservation, and then cooling;

s4, cooling to below 40 ℃, adjusting the pH value to be within a range of 5 to 7, adjusting the viscosity to be 2500 to 3500, and enabling the mixture to be light yellow, transparent and uniform; discharging after the characteristic smell is qualified.