CN110693748B

CN110693748B - Amino acid foam facial cleanser and preparation method thereof

Info

Publication number: CN110693748B
Application number: CN201911064043.5A
Authority: CN
Inventors: 杨远海; 王昌明
Original assignee: Muzhi Qiushan Guangzhou Cosmetics Research And Development Co ltd
Current assignee: Muzhi Qiushan Guangzhou Cosmetics Research And Development Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2023-05-05
Anticipated expiration: 2039-11-04
Also published as: CN110693748A

Abstract

The invention relates to the technical field of cosmetics, in particular to amino acid foam facial cleanser and a preparation method thereof. The preparation raw materials of the amino acid bubble facial cleanser comprise a component A and a component B; the preparation raw materials of the component A comprise 40-50 parts by weight of a first solvent and 1-5 parts by weight of a first thickener; the preparation raw materials of the component B comprise 20-35 parts of cleaning agent, 0.05-0.2 part of chelating agent and 2-8 parts of humectant. The amino acid foam facial cleanser prepared by the invention has small stimulation, and can effectively relieve skin sensitivity and protect the superficial sebum of the skin. The addition of the cocoyl potassium glycinate and the like can effectively improve the cleaning force, and can automatically and rapidly foam, so that after the cleansing milk is smeared, a large amount of foam can be automatically generated after more than ten seconds without kneading. The foam is dense and rich, does not contain oil and soap base, is water-locking and moisturizing, is fresh and clean, is smooth and not tight after being used, and has the functions of removing cutin, resisting bacteria and diminishing inflammation.

Description

Amino acid foam facial cleanser and preparation method thereof

Technical Field

The invention relates to the technical field of cosmetics, in particular to amino acid foam facial cleanser and a preparation method thereof.

Background

With the improvement of life quality, people pay more attention to skin problems, and the requirements on cleaning products are higher. The face cleaning product is prepared by reducing the surface tension of dirt by using a surfactant, removing the dirt through the functions of wetting, dispersing, foaming, decontaminating, emulsifying and the like, and the face cleaning product with excellent quality can play roles in cleaning, nourishing and protecting skin.

Amino acid type face cleaning milk is a face cleaning milk which takes amino acid type surfactant as main surface activity. At present, the amino acid type facial cleanser has the following problems: poor water solubility, poor foamability, and the like.

Disclosure of Invention

In order to solve the problems, the first aspect of the invention provides an amino acid foaming facial cleanser, which comprises a component A and a component B; the preparation raw materials of the component A comprise 40-50 parts by weight of a first solvent and 1-5 parts by weight of a first thickener; the preparation raw materials of the component B comprise 20-35 parts of cleaning agent, 0.05-0.2 part of chelating agent and 2-8 parts of humectant.

As a preferred embodiment, the cleaning agent is selected from one or more of potassium cocoyl glycinate, sodium cocoyl methyl taurate, cocamidopropyl betaine, cocoyl glutamic acid, sodium myristyl glycinate, sodium laurylsulfate, sodium laureth sulfate, sodium laurylglutamate, sodium laurylsarcosinate, and potassium laureth phosphate.

As a preferred technical scheme, the humectant is one or more selected from glycerol, erythritol, glycerol polymethacrylate, butanediol, sorbitol, hyaluronic acid and trimethylglycine.

As a preferable technical scheme, the preparation raw materials of the component B also comprise 0.1 to 0.3 weight part of a first preservative.

As a preferable technical scheme, the preparation raw material of the amino acid bubble facial cleanser also comprises a component C; the preparation raw materials of the component C comprise 1-5 parts by weight of a second thickener and 5-15 parts by weight of a second solvent.

As a preferable technical scheme, the first thickener and the second thickener are respectively and independently selected from one or more of boswellia serrata resin extract, centella asiatica extract, orchid extract, xanthan gum, acacia, hydroxypropyl methylcellulose, hydroxyethyl cellulose, PEG-150 distearate and acrylic acid (ester) copolymer.

As a preferable technical scheme, the preparation raw material of the amino acid bubble facial cleanser also comprises a component D; the preparation raw materials of the component D comprise, by weight, 0.1-0.5 part of pH regulator, 0.3-1 part of second preservative and 0.1-0.8 part of aromatic.

As a preferable technical scheme, the preparation raw material of the amino acid bubble facial cleanser also comprises an E component; the preparation raw materials of the component E comprise 1-8 parts by weight of a third solvent.

As a preferred embodiment, the first solvent, the second solvent and the third solvent are each independently selected from one or more of water, ethyl perfluorobutyl ether, perfluoro (diglyme), perfluoro (triglyme), 1h,2' h-perfluorodipropyl ether.

The second aspect of the invention provides a preparation method of amino acid foaming facial cleanser, which at least comprises the following steps: stirring the component A at 70-90 ℃, adding the component B, stirring, and preserving heat for 20-40 min; stirring and cooling to 40-60 ℃, and then adding the component C; stirring and cooling to 30-50 ℃, and then adding the component D; stirring and cooling to 20-40 ℃, adding the component E, and finally stirring to prepare the amino acid foam facial cleanser.

The beneficial effects are that: the amino acid foaming facial cleanser is prepared from solvents, thickeners, cleaning agents, chelating agents, moisturizing agents and the like, the prepared amino acid foaming facial cleanser is mild, has the pH value of 6-7, is slightly acidic, is similar to human skin, has small irritation, can effectively relieve skin sensitivity, and can protect the superficial sebum of the skin. The cleaning power can be effectively improved by adding the potassium cocoyl glycinate, the sodium cocoyl methyl taurate, the cocamidopropyl betaine, the sodium laureth sulfate and the like, and the cleaning cream can be automatically and rapidly foamed, and a large amount of foam can be automatically generated after the cleaning cream is smeared without rubbing for more than ten seconds. The foam is dense and rich, contains no oil, contains no soap base, is water-locking, moisture-keeping, fresh and clean, is smooth and not tight after being used, and has the functions of removing cutin, resisting bacteria and diminishing inflammation.

Drawings

FIG. 1 is a schematic view of a cosmetic product;

FIG. 2 is a schematic diagram of the amino acid foaming cleanser prepared in example 1 just coated;

FIG. 3 is a schematic illustration of just frothing;

FIG. 4 is a schematic diagram of the foam enrichment;

FIG. 5 is a schematic illustration after washing with water.

Detailed Description

The technical features in the technical scheme provided by the invention are further and clearly described below in combination with the specific embodiments, and the protection scope is not limited.

"preferred", "more preferred", and the like in the present invention refer to embodiments of the invention that may provide certain benefits in certain circumstances. However, other embodiments may be preferred under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.

The first aspect of the invention provides an amino acid foam facial cleanser, which is prepared from the following raw materials in parts by weight; the preparation raw materials of the component A comprise 40-50 parts by weight of a first solvent and 1-5 parts by weight of a first thickener; the preparation raw materials of the component B comprise 20-35 parts of cleaning agent, 0.05-0.2 part of chelating agent and 2-8 parts of humectant.

In a preferred embodiment, the preparation raw materials of the amino acid foaming facial cleanser comprise a component A and a component B; the preparation raw materials of the component A comprise 46.4 parts by weight of a first solvent and 2 parts by weight of a first thickener; the preparation raw materials of the component B comprise 28 parts of cleaning agent, 0.1 part of chelating agent and 5 parts of humectant.

In one embodiment, the preparation raw material of the B component further comprises 0.1 to 0.3 parts by weight of a first preservative.

In a preferred embodiment, the preparation raw material of the B component further comprises 0.2 parts by weight of a first preservative.

In one embodiment, the preparation raw materials of the amino acid bubble facial cleanser further comprise a component C; the preparation raw materials of the component C comprise 1-5 parts by weight of a second thickener and 5-15 parts by weight of a second solvent.

In a preferred embodiment, the preparation raw materials of the amino acid foaming facial cleanser further comprise a component C; the preparation raw materials of the component C comprise 3 parts by weight of a second thickener and 10 parts by weight of a second solvent.

In one embodiment, the preparation raw materials of the amino acid bubble facial cleanser further comprise a component D; the preparation raw materials of the component D comprise, by weight, 0.1-0.5 part of pH regulator, 0.3-1 part of second preservative and 0.1-0.8 part of aromatic.

In a preferred embodiment, the preparation raw materials of the amino acid bubble facial cleanser further comprise a component D; the preparation raw materials of the component D comprise 0.3 part of pH regulator, 0.6 part of second preservative and 0.4 part of aromatic agent in parts by weight.

In one embodiment, the preparation raw materials of the amino acid bubble facial cleanser further comprise an E component; the preparation raw materials of the component E comprise 1-8 parts by weight of a third solvent.

In a preferred embodiment, the preparation raw materials of the amino acid foaming facial cleanser further comprise an E component; the preparation raw materials of the component E comprise 4 parts by weight of a third solvent.

A component

First solvent

A solvent is a liquid (gas, or solid) that can dissolve a solid, liquid, or gaseous solute (both solvents and solutes can be solid, liquid, gas), which in turn becomes a solution.

In one embodiment, the first solvent is selected from one or more of water, ethyl perfluorobutyl ether, perfluoro (diethylene glycol dimethyl ether), perfluoro (triethylene glycol dimethyl ether), 1h,2' h-perfluorodipropyl ether.

In a preferred embodiment, the first solvent is water.

First thickener

Thickening agents, also known as gellants, are substances that increase the viscosity of latex, liquids, and increase the viscosity of the system, maintaining the system in a uniform, stable, suspended or opaque state, or forming a gel.

In one embodiment, the first thickener is selected from one or more of boswellia serrata resin extract, centella asiatica extract, orchid extract, xanthan gum, acacia, hydroxypropyl methylcellulose, hydroxyethyl cellulose, PEG-150 distearate, acrylic copolymers.

In a preferred embodiment, the first thickener is boswellia serrata resin extract.

The boswellia serrata resin is a gum resin of the olive family plant boswellia carterii birdw [ b sacra fluenk. ]. The dry glue resin is in a shape of small papilla, teardrop particles or irregular small blocks, and is 0.5-3 cm long, and sometimes is adhered into blocks. Pale yellow, often slightly green, blue or reddish brown. Semitransparent. The surface has a layer of white-like dust, and after the dust is removed, the surface is still matt. It is brittle, wax-like in cross section, matt, and little glassy luster. Slightly fragrant, slightly bitter. Chewing, crushing into small blocks, softening into gel block, adhering to teeth, and making saliva into emulsion with slightly spicy feeling. Soft when heated, and burnt with little fragrance (but no loose fragrance), black smoke and black residues are left. Co-grinding with a small amount of water can form a white emulsion. It is preferable to have yellowish color, granular shape, translucency, no sand and bark impurity, powder sticking hands and aromatic smell. Contains resin 60-70%, gum 27-35% and volatile oil 3-8%. The main component of the resin is 33% of free alpha-beta-boswellic acid, 1.5% of bound boswellic acid and 33% of boswellic hydrocarbon. The gum is 20% of calcium salt and magnesium salt of araffinic acid, 6% of astragalus glue; in addition, bitter taste is 0.5%. The volatile oil is yellowish, aromatic, and contains pinene, raceme-limonene and alpha, beta-phellandrene. Sex taste: is pungent and bitter and warm. Channel tropism: enters the heart, liver and spleen meridians. The main functions are as follows: regulating qi, activating blood, relieving pain, and expelling toxin. For stagnation of qi and blood, pain in heart and abdomen, carbuncle, sore, swelling and toxicity, traumatic injury, dysmenorrhea, postpartum blood stasis and stinging.

The Boswellia serrata resin extract is Boswellia serrata resin extract. The main components are resin, gum and volatile oil. Has effects of promoting blood circulation, relieving pain, removing toxic substance, and resolving carbuncle. Is used for treating chest and abdomen pain due to stagnation of qi and blood, rheumatalgia, spasm of tendons and vessels, traumatic injury, carbuncle, sore, swelling and toxin, dysmenorrhea, puerperal blood stasis and pain.

The boswellia serrata resin extract is not particularly limited, and may be prepared by extraction or may be commercially available, for example, may be commercially available, including but not limited to, commercially available from Shanghai Kai pharmaceutical technologies Co.

Component B

Cleaning agent

The cleaning agent disclosed by the invention refers to a substance which mainly plays a cleaning role.

In one embodiment, the cleaning agent is selected from one or more of potassium cocoyl glycinate, sodium cocoyl methyl taurate, cocamidopropyl betaine, cocoyl glutamate, sodium myristyl glycinate, sodium lauryl sulfate, sodium laureth sulfate, sodium lauroyl glutamate, sodium lauroyl sarcosinate, potassium laureth phosphate.

In a preferred embodiment, the cleaning agent is potassium cocoyl glycinate, sodium cocoyl methyl taurate, cocamidopropyl betaine, sodium laureth sulfate.

In one embodiment, the weight ratio of the potassium cocoyl glycinate, the sodium cocoyl methyl taurate, the cocamidopropyl betaine and the sodium laureth sulfate is (6-10): (9-11): (4-7): (4-6).

In a preferred embodiment, the weight ratio of the potassium cocoyl glycinate, sodium cocoyl methyl taurate, cocamidopropyl betaine and sodium laureth sulfate is 8:10:5:5.

the potassium cocoyl glycinate has a CAS number of 301341-58-2, available from Guangdong Weng Jiang chemical company, inc.

The sodium cocoyl methyl taurate was purchased from guangzhou brown biotechnology limited.

The cocoamidopropyl betaine has a CAS number of 86438-79-1 and is available from Rui and Feng Koch Co.

The CAS number of the laureth sodium sulfate is 1335-72-4, and the laureth sodium sulfate is purchased from Shanghai jade function chemical industry Co.

The applicant found that when potassium cocoyl glycinate, sodium cocoyl methyl taurate, cocamidopropyl betaine, sodium laureth sulfate are used as the cleaning agent, and the weight ratio of potassium cocoyl glycinate, sodium cocoyl methyl taurate, cocamidopropyl betaine, sodium laureth sulfate is controlled to be (6-10): (9-11): (4-7): (4-6), the prepared facial cleanser has excellent cleaning effect. The cleaning effect of the facial cleanser is improved by the effects of elution, dispersion, dissolution, emulsification and the like because the potassium cocoyl glycinate, the sodium cocoyl methyl taurate, the cocamidopropyl betaine and the sodium laureth sulfate can be mutually cooperated under specific conditions, the surface tension of dirt is reduced.

The applicant has found unexpectedly that when potassium cocoyl glycinate, sodium cocoyl methyl taurate, cocamidopropyl betaine, sodium laureth sulfate are used as the cleaning agent, and the weight ratio of potassium cocoyl glycinate, sodium cocoyl methyl taurate, cocamidopropyl betaine, sodium laureth sulfate is controlled to be (6-10): (9-11): (4-7): and (4-6), the stability of the prepared facial cleanser is better. The applicant speculates that the possible reasons are: under specific conditions, the potassium cocoyl glycinate, the sodium cocoyl methyl taurate, the cocamidopropyl betaine and the sodium laureth sulfate have better synergistic effect, electrostatic interaction exists among the potassium cocoyl glycinate, the sodium cocoyl methyl taurate and the sodium laureth sulfate, the introduction of the cocamidopropyl betaine reduces the repulsive force among the potassium cocoyl glycinate, the sodium cocoyl methyl taurate and the sodium laureth sulfate, and meanwhile, the stability of the face cleaning cream is improved due to the molecular winding effect and the steric effect among the potassium cocoyl glycinate, the sodium cocoyl methyl taurate, the cocamidopropyl betaine and the sodium laureth sulfate. When the content of the cocamidopropyl betaine is too small, the stability of the prepared facial cleanser is poor; when the content of the potassium cocoyl glycinate is too high, the stability of the prepared facial cleanser is poor.

Chelating agent

Chelating agents, also known as complexing agents, refer to ligand species capable of forming chelates. The metal atom or ion reacts with a ligand containing two or more coordinating atoms to form a complex having a cyclic structure, which is called a chelate compound.

In one embodiment, the chelating agent is selected from one or more of disodium EDTA, tetrasodium EDTA, octanoyl hydroxamic acid, tetrasodium glutamate diacetate, p-hydroxyacetophenone, hydroxyethane diphosphonic acid.

In a preferred embodiment, the chelating agent is disodium EDTA.

The disodium EDTA has a CAS number of 6381-92-6, available from Shanghai Ala Biotechnology Co., ltd.

Humectant type

The moisturizer is a cosmetic raw material with the functions of moisturizing and repairing sebum membranes, has a special molecular structure, can adsorb and retain moisture, and maintains the skin barrier function while maintaining the skin hydration.

In one embodiment, the humectant is selected from one or more of glycerin, erythritol, glycerin polymethacrylate, butylene glycol, sorbitol, hyaluronic acid, trimethylglycine.

In a preferred embodiment, the humectant is glycerin.

The glycerol has a CAS number of 56-81-5 and is available from Shanghai Ala Biochemical technologies Co., ltd.

First preservative

Preservatives are a class of additives that inhibit microbial activity and prevent spoilage of substances.

In one embodiment, the first preservative is selected from one or more of methylparaben, phenoxyethanol, iodopropynyl butylcarbamate, ethylhexyl glycerol.

In a preferred embodiment, the first preservative is methylparaben.

The methylparaben has a CAS number of 99-76-3 and is available from Shanghai Michael chemical Co., ltd.

Component C

Second thickener

In one embodiment, the second thickener is selected from one or more of boswellia serrata resin extract, centella asiatica extract, orchid extract, xanthan gum, acacia, hydroxypropyl methylcellulose, hydroxyethyl cellulose, PEG-150 distearate, acrylic acid (ester) copolymers.

In a preferred embodiment, the second thickener is an acrylic copolymer.

The acrylic copolymer has a CAS number of 25035-69-2, and is purchased from North Nardostat technology Co., ltd., model number of SS-22.

Second solvent

In one embodiment, the second solvent is selected from one or more of water, ethyl perfluorobutyl ether, perfluoro (diethylene glycol dimethyl ether), perfluoro (triethylene glycol dimethyl ether), 1h,2' h-perfluorodipropyl ether.

In a preferred embodiment, the second solvent is water.

D component

PH regulator

The pH regulator is an additive for maintaining or changing the pH value of the substance.

In one embodiment, the pH adjuster is selected from one or more of triethanolamine, sodium tartrate, sodium salicylate, sodium citrate, citric acid, aminomethylpropanol, sodium hydroxide, potassium hydroxide, arginine.

In a preferred embodiment, the pH adjuster is triethanolamine.

The triethanolamine has a CAS number of 102-71-6 and is available from Shanghai Ala Biochemical technologies Co., ltd.

Second preservative

In one embodiment, the second preservative is selected from one or more of methylparaben, phenoxyethanol, iodopropynyl butylcarbamate, ethylhexyl glycerol.

In a preferred embodiment, the second preservative is phenoxyethanol.

The phenoxyethanol has a CAS number of 122-99-6 and is available from Shanghai Ala Biochemical technologies Co., ltd.

Aromatic agent

In one embodiment, the fragrance is selected from one or more of fragrances, essential oils, alpha-methyl ionone, benzyl benzoate, citronellol, coumarin, limonene, geraniol, hexyl cinnamaldehyde, hydroxycitronellal, hydroxyisohexide 3-cyclohexenyl formaldehyde, linalool, bergamot.

In a preferred embodiment, the fragrance is a perfume.

The essence of the present invention is not particularly limited and may be commercially available, for example, commercially available essence includes, but is not limited to, essence available from south Beijing Sejia biosciences.

E component

Third solvent

In one embodiment, the third solvent is selected from one or more of water, ethyl perfluorobutyl ether, perfluoro (diethylene glycol dimethyl ether), perfluoro (triethylene glycol dimethyl ether), 1h,2' h-perfluorodipropyl ether.

In a preferred embodiment, the third solvent is ethyl perfluorobutyl ether.

The ethyl perfluorobutyl ether has a CAS number of 163702-06-5 and is available from Shanghai Biyang industries, inc.

The applicant finds that when potassium cocoyl glycinate is used as a cleaning agent and ethyl perfluorobutyl ether is used as a third solvent, the prepared facial cleanser can be foamed rapidly, and the foam is rich and dense. The applicant speculates that the possible reasons are: under the condition of the large system of the invention, the addition of the ethyl perfluorobutyl ether can generate bubble cavities, and the potassium cocoyl glycinate can be crystallized and serve as crystal nucleus of bubbles, so that uniform and dense bubble generation is promoted, and the ethyl perfluorobutyl ether can be gasified rapidly under the action of body temperature, so that the prepared facial cleanser can foam rapidly, and the foam is dense and rich.

In a preferred embodiment, the preparation method of the amino acid foaming facial cleanser at least comprises the following steps: stirring and dispersing the component A uniformly at 70-90 ℃, adding the component B, stirring and dispersing uniformly, and preserving heat for 20-40 min; stirring and cooling to 40-60 ℃, adding the component C, and stirring uniformly; stirring and cooling to 30-50 ℃, adding the component D, and stirring uniformly; stirring and cooling to 20-40 ℃, adding the component E, and finally stirring uniformly to prepare the amino acid foam facial cleanser.

In a more preferred embodiment, the preparation method of the amino acid foaming facial cleanser at least comprises the following steps: stirring and dispersing the component A uniformly at 80 ℃, adding the component B, stirring and dispersing uniformly, and preserving heat for 30min; stirring and cooling to 50 ℃, adding the component C, and uniformly stirring; stirring and cooling to 40 ℃, adding the component D, and uniformly stirring; stirring and cooling to 30 ℃, adding the component E, and finally stirring uniformly to prepare the amino acid foam facial cleanser.

Hereinafter, the present invention will be described in more detail by way of examples, but it should be understood that these examples are merely illustrative and not limitative.

Examples

And (3) a component A:

a1: first solvent

A11: water and its preparation method

A2: first thickener

A21: boswellia serrata resin extract

And the component B comprises the following components:

b1: cleaning agent

B11: potassium cocoyl glycinate

B12: cocoyl methyl taurate sodium taurate

B13: cocamidopropyl betaine

And B14: sodium laureth sulfate

B2: chelating agent

B21: EDTA disodium salt

B3: humectant type

B31: glycerol

B4: first preservative

B41: hydroxy-benzoic acid methyl ester

And C, component:

c1: second thickener

C11: acrylic acid (ester) copolymer

C2: second solvent

C21: water and its preparation method

And D, a component:

d1: PH regulator

D11: triethanolamine salt

D2: second preservative

D21: phenoxyethanol

D3: aromatic agent

D31: essence

And E component:

e1: third solvent

E11: ethylperfluorobutyl ether

Examples 1 to 8 provide amino acid bubble facial cleanser, and the formula of the amino acid bubble facial cleanser provided by examples 1 to 8 is shown in Table 1, and the dosage is calculated in parts by weight.

Examples 1 to 8 also provide a preparation method of the amino acid foaming facial cleanser, which comprises the following steps: stirring and dispersing the component A uniformly at 80 ℃, adding the component B, stirring and dispersing uniformly, and preserving heat for 30min; stirring and cooling to 50 ℃, adding the component C, and uniformly stirring; stirring and cooling to 40 ℃, adding the component D, and uniformly stirring; stirring and cooling to 30 ℃, adding the component E, and finally stirring uniformly to prepare the amino acid foam facial cleanser.

Performance evaluation

1. Stability test

The amino acid foaming facial cleanser prepared in examples 1 to 8 was left at room temperature for 30 days, and the stability was observed. Stability criteria: good-texture uniformity; poor-uneven texture, delamination, sedimentation was observed.

2. Foaming time experiment

2g of the amino acid foaming cleanser prepared in examples 1 to 8 was applied to the skin and allowed to stand, and the foaming time was measured from the time (seconds) required for the foam volume to reach the consumer-related amount (20 mL foam).

3. Determination of foam richness

2g of the amino acid foaming cleanser prepared in examples 1 to 8 was applied to the skin and rubbed for 10 cycles in a back-and-forth and left-and-right movement manner, and the foam richness was observed. Evaluation criteria: rich-foam volumes exceeding 40mL; non-abundant-foam volumes do not exceed 30mL.

4. Cleaning effect determination

2g of the amino acid foaming cleanser prepared in examples 1 to 8 are respectively coated on skin with the same makeup area, rubbed for 10 cycles in a front-back and left-right movement mode, and then washed by clear water to observe the cleaning effect. Evaluation criteria: cleaning, and no residual makeup; the difference is: the residue makeup was observed without washing.

TABLE 1

Table 2 results of testing the properties of the amino acid foaming cleanser prepared in examples 1 to 8

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From the test results, the amino acid foaming facial cleanser prepared by the invention has good stability, can foam rapidly, has rich foam and has excellent cleaning effect.

The foregoing examples are illustrative only and are provided to illustrate some of the features of the methods of the present invention. The appended claims are intended to claim the broadest possible scope and the examples presented herein are merely illustrative of selected implementations based on combinations of all possible examples. It is, therefore, not the intention of the applicant that the appended claims be limited by the choice of examples illustrating the features of the invention. Some numerical ranges used in the claims also include sub-ranges within their scope, and variations in these ranges should also be construed as being covered by the appended claims where possible.

Claims

1. An amino acid foam facial cleanser is characterized in that,

the preparation raw materials of the amino acid bubble facial cleanser comprise a component A and a component B; the preparation raw materials of the component A comprise 40-50 parts by weight of a first solvent and 1-5 parts by weight of a first thickener; the preparation raw materials of the component B comprise 20-35 parts of cleaning agent, 0.05-0.2 part of chelating agent and 2-8 parts of humectant;

the preparation raw materials of the component B also comprise 0.1 to 0.3 weight part of first preservative;

the first thickener is Boswellia serrata resin extract;

the preparation raw materials of the amino acid bubble facial cleanser also comprise a component C; the preparation raw materials of the component C comprise 1-5 parts by weight of a second thickener and 5-15 parts by weight of a second solvent;

the second thickening agent is acrylic acid (ester) copolymer;

the preparation raw materials of the amino acid bubble facial cleanser also comprise a component D; the preparation raw materials of the component D comprise, by weight, 0.1-0.5 part of pH regulator, 0.3-1 part of second preservative and 0.1-0.8 part of aromatic; the preparation raw materials of the amino acid bubble facial cleanser also comprise an E component; the preparation raw materials of the component E comprise 1-8 parts by weight of a third solvent;

the cleaning agent is cocoyl potassium glycinate, cocoyl methyl taurine sodium taurate, cocamidopropyl betaine and laureth sodium sulfate;

the weight ratio of the potassium cocoyl glycinate to the sodium cocoyl methyl taurate to the sodium cocoamidopropyl betaine to the sodium laureth sulfate is (6-10): (9-11): (4-7): (4-6);

the first solvent, the second solvent and the third solvent are respectively and independently selected from one or more of water, ethyl perfluorobutyl ether, perfluoro (diethylene glycol dimethyl ether), perfluoro (triethylene glycol dimethyl ether) and 1H,2' H-perfluoro dipropyl ether; the third solvent is ethyl perfluorobutyl ether.

2. The amino acid foaming cleanser of claim 1 wherein the humectant is selected from one or more of glycerin, erythritol, glycerol polymethacrylate, butylene glycol, sorbitol, hyaluronic acid, trimethylglycine.

3. A method for preparing the amino acid foaming facial cleanser according to claim 1 or 2, which comprises the following steps:

stirring the component A at 70-90 ℃, adding the component B, stirring, and preserving heat for 20-40 min; stirring and cooling to 40-60 ℃, and then adding the component C; stirring and cooling to 30-50 ℃, and then adding the component D; stirring and cooling to 20-40 ℃, adding the component E, and finally stirring to prepare the amino acid foam facial cleanser.