CN112245355B

CN112245355B - Layered essential oil bath gel with nourishing and moisturizing effects and preparation method thereof

Info

Publication number: CN112245355B
Application number: CN202011204571.9A
Authority: CN
Inventors: 邹亚丽; 滕晖; 孟君; 蒋加拉; 姜惠敏; 徐雅意
Original assignee: Qianjin Pharmaceutical Co ltd
Current assignee: Qianjin Pharmaceutical Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2023-01-24
Anticipated expiration: 2040-11-02
Also published as: CN112245355A

Abstract

The invention discloses a layered essential oil bath gel with nourishing and moisturizing effects and a preparation method thereof. The invention provides a layered essential oil bath gel with nourishing and moisturizing effects, which consists of the following components in percentage by mass: phase A: 2 to 5 percent of glycerin, 4 to 6 percent of propylene glycol, 10 to 15 percent of sodium laureth sulfate, 2 to 4 percent of sodium lauroamphoacetate, 3 to 8 percent of ammonium laureth sulfate, 0.5 to 1 percent of cocamide DEA, 0.1 to 0.8 percent of cocamide MEA, 0.05 to 0.2 percent of disodium EDTA, 0.2 to 0.6 percent of preservative and 37.28 to 62.49 percent of solvent; phase B: 0.2 to 0.4 percent of phenoxyethanol, 0.3 to 0.8 percent of essence and 0.18 to 0.9 percent of plant extract; and C phase: 15 to 20 percent of vegetable oil. The layered essential oil bath gel is safe and mild in components, nourishing, free of silicone oil, high in foam stability, remarkable in nourishing and moisturizing effects, and suitable for large-scale popularization and use.

Description

Layered essential oil bath gel with nourishing and moisturizing effects and preparation method thereof

Technical Field

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

Background

With the improvement of living standard, people pay more and more attention to self health, and tend to select safe, mild, nourishing and natural daily necessities. At present, foam bath products in the market mainly take monomer systems, mostly adopt synthetic silicone oil and derivatives thereof as fat-endowing agents, and have the problems of unstable foam, single function (only decontamination), lack of moisturizing and nourishing effects and the like under low temperature conditions, so that the experience feeling in use is greatly weakened (Chinese invention patents with application numbers of 201810829237.9 and CN108578331A, chinese invention patents with application numbers of 202010620701.0 and CN 111617006A).

The stability of bubbles blown from a bubble bottle is a technical problem worth overcoming. Because the blister bottle has higher requirements on the low-temperature stability of the product, the pump head of the blister bottle is different from a common pump head, and an expanded air chamber is arranged at the throat of the foam pump head, when the pump head is loosened after being pressed for the first time, the upper part of the pump head forms low pressure, so that liquid is pumped up, and air also enters the air chamber; during the second press, the air chamber is pressurized to pump the liquid and air simultaneously into the screen on the pipe, thus blowing out bubbles. In addition, the water impermeability and other inertness of the silicone oil can block pores, so that the skin is easy to itch, the secretion of dry grease is increased, and the product has potential risks to the health of human bodies.

Therefore, people strongly pursue bath products without silicone oil and with nourishing and moisturizing skin, and a safe, mild, nourishing and silicone oil-free layered bath lotion is more desirable.

Disclosure of Invention

The invention aims to overcome the defects and defects that the existing essential oil bath gel is unstable and has a single function at a low temperature, and provides a layered essential oil bath gel with nourishing and moisturizing effects and a preparation method thereof. The invention discloses a layered essential oil bath gel which is provided with a two-layer system, wherein the upper layer is an oil phase formed by emulsifying plant oil and partial surfactant and is milky white, the lower layer is a water phase and is composed of nourishing and moisturizing plant extracts, the surfactant, a humectant, a preservative, a chelating agent and deionized water, and cherry blossom is light pink; shaking the essential oil bath gel, mixing the upper layer and the lower layer, and squeezing to obtain bubble.

The invention aims to provide a layered essential oil bath gel with nourishing and moisturizing effects.

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:

the invention provides a layered essential oil bath gel with nourishing and moisturizing effects, which consists of the following components in percentage by mass:

phase A: 2 to 5 percent of glycerol, 4 to 6 percent of propylene glycol, 10 to 15 percent of sodium laureth sulfate, 2 to 4 percent of sodium lauroamphoacetate, 3 to 8 percent of ammonium laureth sulfate, 0.5 to 1 percent of cocamide DEA, 0.1 to 0.8 percent of cocamide MEA, 0.05 to 0.2 percent of disodium EDTA, 0.2 to 0.6 percent of preservative and 37.28 to 62.49 percent of solvent;

phase B: 0.2 to 0.4 percent of phenoxyethanol, 0.3 to 0.8 percent of essence and 0.18 to 0.9 percent of plant extract;

and C phase: 15 to 20 percent of vegetable oil.

The inventor unexpectedly discovers through a great deal of research that when the cocamide DEA and the cocamide MEA in the essential oil bath gel formula are reduced and the glycerin and the propylene glycol are increased, the viscosity of the essential oil bath gel cannot change along with the reduction of the temperature, so that the foam of the essential oil bath gel in a low-temperature environment is good in airtightness and high in stability; the inventor believes that the reason is that propylene glycol and glycerol have the properties of reducing thickness and preventing freezing, cocamide DEA and cocamide MEA have the functions of thickening and stabilizing foam, and the cloud point phenomenon of the ethoxylated nonionic surfactant can form hydrogen bonds with water molecules at low temperature, so that the surfactant is dissolved in water to form an oxonium compound; along with the rising of temperature, the molecule motion aggravates, and hydrogen bond cohesion weakens gradually until disappearing, and along with the temperature reduces, hydrogen bond cohesion strengthens to lead to the viscosity reinforcing of essential oil shower gel, the reduction of surfactant concentration can make cloud point reduce, the inventor's unexpected discovery alcohol's increase can make the difficult change that takes place of viscosity of essential oil shower gel at low temperature, thereby can guarantee the stability of essential oil shower gel foam effectively.

In addition, the foaming agent is a surfactant compounded by sodium laureth sulfate (anionic surfactant), sodium lauroamphoacetate (amphoteric surfactant), cocamide DEA (nonionic surfactant) and cocamide MEA (nonionic surfactant), the foam stabilizer is ammonium laureth sulfate (anionic surfactant), and the foam value of the essential oil shower gel can be improved under the action of the humectants of glycerin and propylene glycol, and the high foam value can be maintained even under the low-temperature condition.

Preferably, the essential oil bath gel consists of the following components in percentage by mass:

phase A: 2.5 to 3.5 percent of glycerin, 4.5 to 5.5 percent of propylene glycol, 11.5 to 12.5 percent of sodium laureth sulfate, 3 to 3.5 percent of sodium lauroamphoacetate, 4 to 6 percent of ammonium laureth sulfate, 0.5 to 0.8 percent of cocamide DEA, 0.2 to 0.4 percent of cocamide MEA, 0.08 to 0.12 percent of disodium EDTA, 0.3 to 0.5 percent of preservative and 42.71 to 46.69 percent of solvent;

phase B: 0.25 to 0.35 percent of phenoxyethanol, 0.4 to 0.6 percent of essence and 0.36 to 0.54 percent of plant extract;

and C phase: 17 to 19 percent of vegetable oil.

More preferably, the essential oil bath gel consists of the following components in percentage by mass:

phase A: 3% of glycerin, 5% of propylene glycol, 12% of sodium laureth sulfate, 3% of sodium lauroamphoacetate, 5% of ammonium lauryl sulfate, 0.5% of cocamide DEA, 0.3% of cocamide MEA, 0.1% of disodium EDTA, 0.4% of preservative and 51.45% of solvent;

phase B: 0.3% of phenoxyethanol, 0.5% of essence and 0.45% of plant extract;

and C phase: 18 percent of vegetable oil.

Preferably, the preservative is piroctone olamine.

Preferably, the vegetable oil and fat is ethylhexyl palmitate.

Preferably, the plant extract is a combination of ganoderma lucidum extract, suberect spatholobus stem extract, oriental cherry extract, crataegus seed oil, geranium oil and peony seed oil.

Preferably, the mass ratio of the ganoderma lucidum extract to the suberect spatholobus stem extract to the oriental cherry extract to the crataegus seed oil to the geranium oil to the peony seed oil is 5-20.

More preferably, the mass ratio of the ganoderma lucidum extract, the suberect spatholobus stem extract, the oriental cherry extract, the Indian fruit seed oil, the geranium oil and the peony seed oil is 4-6.

More preferably, the mass ratio of the ganoderma lucidum extract, the suberect spatholobus stem extract, the oriental cherry extract, the crataegus seed oil, the geranium oil and the peony seed oil is 2.

Preferably, the preparation method of the essential oil bath gel comprises the following steps:

s1, dispersing the preservative and sodium laureth sulfate in water uniformly according to the mass percentage, adding Cocamide DEA and Cocamide MEA, heating to 80-90 ℃ to dissolve, and adding other components in phase A;

s2, cooling to 40-50 ℃, adding the phase B and the phase C, uniformly stirring, and cooling to 35-40 ℃ to obtain the essential oil bath gel.

The invention has the following beneficial effects:

the invention provides a layered essential oil bath gel with nourishing and moisturizing effects and a preparation method thereof. The inventor unexpectedly discovers that after piroctone olamine salt and ammonium lauryl sulfate are mixed and added into water, the piroctone olamine salt is alkaline, and the ammonium lauryl sulfate ionizes a certain amount of anions in the water, so that the piroctone olamine salt and the ammonium lauryl sulfate can be well combined in the water due to the difference between the acid basicity of the piroctone olamine salt and the ammonium lauryl sulfate, and a strong interaction force is generated; when other components are added, the hydrolysis promoting effect of the piroctone olamine salt on the vegetable oil is weakened or eliminated after the pH value of the system is adjusted, so that the problem of flocculent precipitate of the shower gel after long-term storage can be effectively solved; and plant extracts (ganoderma lucidum extract, suberect spatholobus stem extract, oriental cherry extract, indian fruit seed oil, geranium oil and peony seed oil) and vegetable oil are added into the components according to a specific proportion, so that the skin moisturizing cream has a synergistic effect on nourishing and moisturizing the skin.

The essential oil bath gel replaces silicone oil with vegetable oil, is safe and mild in components, has good foam stability under low-temperature conditions, has remarkable nourishing and moisturizing effects, is attractive in appearance, good in experience, popular with consumers and suitable for being popularized and used on a large scale.

Detailed Description

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

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

Example 1 preparation of layered essential oil bath gel having nourishing and moisturizing effects

A layered essential oil bath gel with nourishing and moisturizing effects comprises the following components in percentage by mass:

phase A: 3% of glycerin, 5% of propylene glycol, 12% of sodium laureth sulfate, 3% of sodium lauroamphoacetate, 5% of ammonium lauryl sulfate, 0.5% of cocamide DEA, 1.0% of cocamide MEA, 0.1% of disodium EDTA, 0.4% of piroctone olamine, and 50.39% of a solvent;

phase B: 0.3% of phenoxyethanol, 0.5% of essence and 0.81% of plant extract;

and C phase: 18% of ethylhexyl palmitate;

wherein the plant extracts comprise a lucid ganoderma extract, a suberect spatholobus stem extract, a cherry blossom extract, a crataegus seed oil, a geranium oil and a peony seed oil in a mass ratio of (2).

The preparation method of the essential oil bath gel comprises the following steps:

s1, uniformly dispersing piroctone olamine salt and sodium laureth sulfate in water according to the mass percentage, adding cocamide DEA and cocamide MEA, heating to 85 ℃ for dissolving, and adding other components in the phase A;

s2, cooling to 45 ℃, adding the phase B and the phase C, uniformly stirring, and cooling to 38 ℃ to obtain the essential oil bath gel.

Example 2 preparation of layered essential oil bath gel having nourishing and moisturizing effects

A layered essential oil bath gel with nourishing and moisturizing effects is composed of the following components in percentage by mass:

phase A: 2% of glycerin, 4% of propylene glycol, 10% of sodium laureth sulfate, 4% of sodium lauroamphoacetate, 3% of ammonium lauryl sulfate, 1% of cocamide DEA, 0.1% of cocamide MEA, 0.2% of disodium EDTA, 0.2% of piroctone olamine, and 58.9% of a solvent;

phase B: 0.4% of phenoxyethanol, 0.3% of essence and 0.9% of plant extract;

and C phase: 15% of ethylhexyl palmitate;

wherein the plant extracts comprise a lucid ganoderma extract, a suberect spatholobus stem extract, a oriental cherry extract, an Indian fruit seed oil, geranium oil and peony seed oil in a mass ratio of 20.

s1, uniformly dispersing piroctone olamine salt and sodium laureth sulfate in water according to the mass percentage, adding cocamide DEA and cocamide MEA, heating to 80 ℃ to dissolve, and adding other components in the phase A;

s2, cooling to 50 ℃, adding the phase B and the phase C, uniformly stirring, and cooling to 35 ℃ to obtain the essential oil bath gel.

Example 3 preparation of layered essential oil bath gel having nourishing and moisturizing effects

phase A: 5% of glycerin, 4% of propylene glycol, 15% of sodium laureth sulfate, 2% of sodium lauroamphoacetate, 8% of ammonium lauryl sulfate, 0.5% of cocamide DEA, 0.8% of cocamide MEA, 0.05% of disodium EDTA, 0.6% of piroctone olamine, and 42.87% of a solvent;

phase B: 0.2% of phenoxyethanol, 0.8% of essence and 0.18% of plant extract;

and C phase: 20% of ethylhexyl palmitate;

wherein the plant extracts comprise a ganoderma lucidum extract, a suberect spatholobus stem extract, a cherry blossom extract, crataegus seed oil, geranium oil and peony seed oil in a mass ratio of (5).

s1, uniformly dispersing piroctone olamine salt and sodium laureth sulfate in water according to the mass percentage, adding cocamide DEA and cocamide MEA, heating to 90 ℃ to dissolve, and adding other components in phase A;

s2, cooling to 40 ℃, adding the phase B and the phase C, uniformly stirring, and cooling to 40 ℃ to obtain the essential oil bath gel.

Example 4 preparation of layered essential oil bath gel having nourishing and moisturizing effects

phase A: 2.5% of glycerin, 5.5% of propylene glycol, 11.5% of sodium laureth sulfate, 3.5% of sodium lauroamphoacetate, 4% of ammonium laureth sulfate, 0.8% of cocamide DEA, 0.2% of cocamide MEA, 0.12% of disodium EDTA, 0.3% of piroctone olamine, and 53.29% of a solvent;

phase B: 0.35% of phenoxyethanol, 0.4% of essence and 0.54% of plant extract;

and C phase: 17% of ethylhexyl palmitate;

wherein the plant extracts comprise a glossy ganoderma extract, a suberect spatholobus stem extract, a oriental cherry extract, an Indian fruit seed oil, geranium oil and peony seed oil in a mass ratio of 6.

Example 5 preparation of layered essential oil bath gel having nourishing and moisturizing effects

phase A: 3.5% of glycerol, 4.5% of propylene glycol, 12.5% of sodium laureth sulfate, 3% of sodium lauroamphoacetate, 6% of ammonium laureth sulfate, 0.5% of cocamide DEA, 0.4% of cocamide MEA, 0.08% of disodium EDTA, 0.5% of piroctone olamine, and 48.81% of a solvent;

phase B: 0.25% of phenoxyethanol, 0.6% of essence and 0.36% of plant extract;

and C phase: 19% of ethylhexyl palmitate;

wherein the plant extracts comprise a lucid ganoderma extract, a suberect spatholobus stem extract, a oriental cherry extract, an Indian fruit seed oil, geranium oil and peony seed oil in a mass ratio of 4.

Comparative example 1

The bath gel was prepared in the same mass percentages and by the same method as in example 1, except that olive oil was used instead of ethylhexyl palmitate.

Comparative example 2

The bath gel was prepared in the same manner as in example 1, except that the ethylhexyl palmitate was replaced with soybean oil.

Comparative example 3

The mass percentage and preparation method of the bath gel are the same as those of the example 1 except that no piroctone olamine is added.

Comparative example 4

The mass percentages and preparation methods of the rest bath gels are the same as those of example 1, except that no plant extract (ganoderma lucidum extract, spatholobus stem extract, oriental cherry extract, crataegus seed oil, geranium oil, peony seed oil) is added.

Comparative example 5

The mass percentages and preparation methods of the bath gel are the same as those of example 1 except that sodium laureth sulfate and sodium lauroamphoacetate are not added.

Comparative example 6

Except that no cocamide DEA and no cocamide MEA were added, the mass percentages and preparation methods of the rest of the bath gel were the same as those of example 1.

Comparative example 7

The mass percentages and preparation methods of the rest bath gel are the same as those of the bath gel in the example 1 except that glycerin and propylene glycol are not added.

Application example 1 Performance test of bath gel

1. Method for testing appearance, pH value, foam richness, foam height and stability of bath gel

The bath gels prepared in examples 1 to 5 and comparative examples 1 to 7 were used as experimental samples, and the following tests were carried out:

appearance: measuring a bath gel sample of not less than 200mL, placing the sample in a dry and clean colorless wide-mouth glass bottle with a plug, standing for 30 minutes, and observing under the condition of non-direct light.

And (3) pH value test: the procedure was as specified in technical Specification for cosmetic safety (2015 edition).

Foam richness and foam height test: putting the foam extruded from the shower gel into a beaker with scales, observing the appearance effect of the foam with the original height of 80mm, and reading the foam height at 1min, 3 mm, 5mm, 10 mm and 15 mm respectively.

Stability test (60 days): adopting an electric heating constant temperature incubator to investigate the heat resistance stability of the bath gel at (40 +/-2) DEG C, and adopting a refrigerator to investigate the cold resistance stability of the bath gel at (-5 +/-2 ℃); and taking out the sample, returning to room temperature, and comparing the sample with the sample before stability investigation for analysis.

2. Results of the experiment

The pH and appearance results of the bath gels prepared in examples 1 to 5 and comparative examples 1 to 7 are shown in table 1, and it can be seen that in comparative examples 1 to 2, the bath gels produced by using soybean oil and olive oil instead of ethylhexyl palmitate in examples 1 to 5 have a cloudy and opaque upper and lower aqueous phase layer in appearance; the vegetable oil and fat (ethylhexyl palmitate) selected by the invention can obviously improve the transparency and appearance presentation effect of the bath gel. In addition, the pH value of the bath gel is 5.5-6.5.

TABLE 1 pH and appearance results for the shower gels prepared in examples 1-5 and comparative examples 1-7

Table 2 foam richness and foam height test results for bath gels prepared in examples 1 to 5 and comparative examples 1 to 7

Table 3 shower gels prepared in example 1 and comparative examples 3, 5 and 7, the results of the 6-month stability test and the foam richness and foam height test

The results of the foam richness and foam height tests on the bath gels prepared in examples 1 to 5 and comparative examples 1 to 7 are shown in table 2, and the results of the 6-month stability tests and the foam richness and foam height tests on the bath gels prepared in examples 1 and comparative examples 3, 5 and 7 are shown in table 3, and it can be seen from tables 2 and 3 that the bath gels prepared in examples 1 to 5 have two layers in appearance, the upper layer is milky white, the lower layer is pale pink and transparent, has no sediment and floccule, has no impurities visible to the naked eye, the 6-month samples pass the heat and cold stability tests, and the foams of the products under the heat and cold resistant conditions of 0 month and 6 months are abundant, uniform and fine, and the foam height does not change greatly within 20 minutes and is reduced by about 6 mm; the lower water phase layer of the bath gel prepared in the comparative examples 1 and 2 is turbid; the bath gel prepared in the comparative example 3 does not pass the stability, and the water phase layer turns turbid, white floccule is separated out and precipitate is generated in the stability test of 6 months; the bath gel foams prepared in comparative examples 5 and 6 have large and uneven foams in 0 month and 6 months, and meanwhile, the height value of the foam is unstable in 6 months and is reduced by 35mm; whereas the bath gel prepared in comparative example 7 had very unstable foam at low temperature. The bath gel prepared by the invention has high foam stability and obvious nourishing and moisturizing effects.

Application example 2 testing of nourishing and moisturizing efficacy of bath gel

1. Experimental methods

30 volunteers aged 18-38 years are used as the audience population, the population is divided into 6 groups and 5 persons in each group, the hands of the bathing volunteers are cleaned by the bathing gel prepared in the examples 1-5 and the comparative example 4 in the experimental group and the hands of the bathing volunteers are cleaned by the commercial bathing gel in the control group under the same experimental environment (28 ℃ and relative humidity of 90%), and the skin moisture content of the hands of the volunteers is tested by a skin moisture tester 1h and 2h before and after use.

2. Results of the experiment

The results of the bath gel nourishing and moisturizing efficacy tests are shown in table 4, and it can be seen that the bath gels prepared in examples 1 to 5 initiate moisturizing efficacy on the skin of the hands of the volunteers, whereas the bath gel prepared in comparative example 4 had no effect of improving the moisture content of the skin of the hands of the volunteers.

TABLE 4 bath gel nourishing and moisturizing efficacy test results

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. The layered essential oil bath gel with the effects of nourishing and moisturizing is characterized by comprising the following components in percentage by mass:

phase A: 2 to 5 percent of glycerin, 4 to 6 percent of propylene glycol, 10 to 15 percent of sodium laureth sulfate, 2 to 4 percent of sodium lauroamphoacetate, 3 to 8 percent of ammonium laureth sulfate, 0.5 to 1 percent of cocamide DEA, 0.1 to 0.8 percent of cocamide MEA, 0.05 to 0.2 percent of disodium EDTA, 0.2 to 0.6 percent of preservative and 37.28 to 62.49 percent of water;

and C phase: 15-20% of vegetable oil and fat, wherein the vegetable oil and fat is ethylhexyl palmitate;

the preservative is piroctone olamine;

the plant extract is a combination of a lucid ganoderma extract, a suberect spatholobus stem extract, a cherry blossom extract, an Indian fruit seed oil, geranium oil and peony seed oil, and the mass ratio is 5-20: 1-10.

2. The essential oil shower gel of claim 1, consisting of the following components in mass percent:

phase A: 3% of glycerin, 5% of propylene glycol, 12% of sodium laureth sulfate, 3% of sodium lauroamphoacetate, 5% of ammonium lauryl sulfate, 0.5% of cocamide DEA, 0.3% of cocamide MEA, 0.1% of disodium EDTA, 0.4% of preservative and 51.45% of water;

phase B: 0.3% of phenoxyethanol, 0.5% of essence and 0.45% of plant extract;

and C phase: 18 percent of vegetable oil.

3. The essential oil shower gel according to claim 1, wherein the mass ratio of the ganoderma lucidum extract, the suberect spatholobus stem extract, the oriental cherry extract, the crataegus seed oil, the geranium oil and the peony seed oil is 4-6: 2-3.

4. The essential oil shower gel according to claim 3, wherein the mass ratio of the ganoderma lucidum extract, the suberect spatholobus stem extract, the oriental cherry extract, the crataegus seed oil, the geranium oil and the peony seed oil is 2:2:2:1:1:1.

5. A process for the preparation of an essential oil shower gel according to any one of claims 1 to 4, comprising the steps of:

s1, dispersing preservative and sodium laureth sulfate in water uniformly, adding cocamide DEA and cocamide MEA, heating to 80-90 ℃ to dissolve, and adding other components in phase A;

and S2, cooling to 40-50 ℃, adding the phase B and the phase C, uniformly stirring, and cooling to 35-40 ℃ to obtain the essential oil bath gel.