CN108852888B

CN108852888B - Mild and non-irritant shower gel and preparation method thereof

Info

Publication number: CN108852888B
Application number: CN201811099072.0A
Authority: CN
Inventors: 钟代
Original assignee: Xiamen Wally Bath Manufacture Co ltd
Current assignee: Xiamen Wally Bath Manufacture Co ltd
Priority date: 2018-09-20
Filing date: 2018-09-20
Publication date: 2021-09-21
Anticipated expiration: 2038-09-20
Also published as: CN108852888A

Abstract

The invention relates to a mild and non-irritant shower gel and a preparation method thereof, and belongs to the technical field of daily chemical cleaning products. The technical scheme is as follows: the mild and non-irritant bath cream comprises, by mass, 22-45 parts of a natural extract, 12-25 parts of a surfactant, 1-5 parts of a natural auxiliary agent and 50-80 parts of deionized water. The acne-removing cream has the advantages of mild effect, antibacterial, antiallergic and wind and itch stopping effects, and can moisten skin and improve the situation of local skin acne.

Description

Mild and non-irritant shower gel and preparation method thereof

Technical Field

The invention relates to the technical field of daily chemical cleaning products, in particular to mild and non-irritant shower gel and a preparation method thereof.

Background

The bath lotion, also called as shower cream, is a liquid cleaning agent used in bathing, and is a common cleaning and bathing article. At present, the shower gel is mainly divided into a surfactant type, a soap base type and a mixed type, the mixed type shower gel is a compound type of a surfactant and a soap base, the surfactant type is mild and smooth, the soap base type has rich foam and is easy to clean, and the mixed type combines the advantages of the surfactant type and the soap base type. In order to realize the effects of cooling, maintaining, moistening and the like brought by the shower gel to people and prolong the shelf life of the shower gel, most of the commercially available shower gels contain a large amount of artificially synthesized chemical reagents such as sodium carbonate, polyvinyl alcohol and the like, and the components have potential damage to the skin of a human body, so that the shower gel is not beneficial to the health of the skin of the human body after being used for a long time, especially sensitive skin.

In the prior art, a chinese patent with publication number CN 101028231 a discloses a biological antibacterial bath lotion, which comprises 2-6% of alginic acid polysaccharide, 5-10% of biological chitosan activin, 0.1-0.5% of triclosan, 1-1.5% of diazolidinyl urea, 15-20% of coconut oil amphodiacetate, 4-5% of lauryl alcohol ether sodium sulfate, 3-4% of dimethyl siloxane copolyol sulfonated disodium succinate and 4-6% of cocoamidopropyl betaine, and pure water is added to 100%. The bath lotion has good antibacterial and disinfection effects, but in the composition of the bath lotion, the diazolidinyl urea realizes the antibacterial effect on gram-positive bacteria and gram-negative bacteria through slowly releasing formaldehyde, and easily causes great stimulation to human skin, especially sensitive skin, in the using process of the bath lotion. Yujiexin, also called triclosan, adopted in the formula of the shower gel is also a component with an antibacterial effect, but the component can react with chlorine-containing tap water to generate chloroform, so that the skin is easily damaged.

Disclosure of Invention

The invention aims to provide mild and non-irritant body wash which has the advantages of mild effect, strong antibacterial capability and capability of improving the skin state.

The above object of the present invention is achieved by the following technical solutions:

the mild and non-irritant bath cream comprises, by mass, 22-45 parts of a natural extract, 12-25 parts of a surfactant, 1-5 parts of a natural auxiliary agent and 50-80 parts of deionized water. The natural extract comprises at least three of burdock extract, platycodon extract, shaddock peel extract and camellia seed extract. Preferably, the natural extract comprises 2-5 parts of burdock extract, 1-4 parts of platycodon root extract, 8-16 parts of shaddock peel extract and 11-20 parts of camellia seed extract.

According to the technical scheme, most of the formula of the shower gel is natural components, and is mild and non-irritant to skin, the surfactant adopted in the formula is mild, the shower gel is prepared by compounding various natural extracts, the surfactant and natural auxiliaries, and is non-irritant and non-injurious to skin, suitable for various types of skin and also applicable to sensitive skin. The burdock extract adopted by the invention is mainly an extract of burdock stem and leaf, the burdock is a biennial herb of burdock of Compositae, the dry mature fruit of the burdock, namely burdock, is a common traditional Chinese medicine, has the effects of dispelling wind and heat, ventilating and smoothing lung, promoting eruption, reducing swelling and detoxifying, the stem and leaf of the burdock can also be used for treating symptoms such as headache, incised wound, skin pruritus and the like, the stem and leaf of the burdock also contains an antibacterial component, and the burdock extract is added into the shower gel, so that the effects of cooling, moistening skin, relieving itching and inhibiting bacteria are achieved.

The platycodon grandiflorum extract is an extract of the dried root of the platycodon grandiflorum plant, contains platycodon grandiflorum polysaccharide and has a treatment effect on symptoms such as carbuncle, sore and ulcer. The radix Platycodi extract can be used in combination with burdock extract to improve acne on skin surface, especially back. The pomelo peel extract is prepared by extracting pericarp of pomelo of arbor of Rutaceae, and soaking in water or decocting for bathing in ancient folk, and mainly contains pectin, and has effects of moistening skin and preventing mosquito. The combination of the shaddock peel extract and the burdock extract is favorable for improving the antibacterial and antiviral effects on the skin, and the combination of the shaddock peel extract and the platycodon extract is favorable for improving the antiallergic and antiulcer effects on the skin.

The camellia seed is the fruit of camellia oleifera of the camellia family, the extract of the camellia seed comprises tea saponin, the tea saponin is a natural surfactant, has good foaming effect and good moistening and cleaning effects on skin, and the extract of the camellia seed is matched with other natural extracts, so that the effect on skin can be improved by the burdock extract, the platycodon grandiflorum extract and the shaddock peel extract.

In the body wash formulation of the present invention, the surfactant comprises at least two of alkyl glycoside, sodium lauroyl glutamate, sodium cocoyl glutamate and alkyl betaine. Preferably, the surfactant comprises 7-15 parts of alkyl glycoside and 5-10 parts of sodium lauroyl glutamate.

The alkyl glycoside is synthesized from glucose and fatty alcohol, has the advantages of mildness, safety and antibacterial property, good foamability, rich and fine foam, good decontamination capability and thickening effect, and is easy to biodegrade. Sodium lauroyl glutamate and sodium cocoyl glutamate are both amino acid surfactants, are amino acids of lauric oil or coconut oil with foaming decontamination capability, have good biodegradability, high safety, weak acidity, are close to the pH value of the skin surface of a human body, are mild and skin-friendly, have antibacterial capability, can be cooperatively matched with alkyl glycoside, and are beneficial to improving the capability of removing dirt on the skin surface. The alkyl betaine is obtained by quaternizing aliphatic tertiary amine, has excellent decontamination and sterilization capability, good biodegradability, low skin irritation and excellent foaming capability, and is beneficial to improving the foaming, decontamination and antibacterial effects of the shower gel by being matched with alkyl glycoside and amino acid surfactant.

The natural auxiliary agent in the formula of the shower gel comprises a natural preservative and a natural thickener. Preferably, the natural preservative comprises at least one of citric acid, glycyrrhizic acid and propolis, and the natural thickener comprises at least one of sodium alginate, lanolin and xanthan gum.

By implementing the technical scheme, the citric acid, also called citric acid, is acidic, can adjust the pH value of the shower gel, has a very strong bactericidal effect, can kill bacterial spores, has a bactericidal and antiseptic effect, and is beneficial to prolonging the shelf life of the shower gel. Meanwhile, the citric acid can improve the performance of the surfactant, accelerate the renewal of skin cutin, promote pore contraction and blackhead dissolution, and is helpful for preventing and eliminating skin pigmentation. Glycyrrhizic acid has antibacterial and antiulcer effects, can enhance antibacterial and antiseptic effects of the bath lotion, can be used in combination with radix Platycodi extract to reduce skin problems, and is beneficial to enhancing effects of other active ingredients. Propolis is a kind of aromatic colloidal solid prepared by collecting resin from plant spore or trunk, mixing it with secretion of palatine gland and cerumen gland, and has effects of moistening skin, promoting granulation, and uniformly healing various ulcer, burn, scald and skin pain. Propolis has antibacterial, skin caring, cell regeneration promoting, antibacterial, disinfectant, antibacterial, antifungal, antiseptic, dermatogic disease treating, pigment decomposing, wrinkle smoothing, antiaging, tissue cell regeneration and wound healing promoting, and skin condition improving effects.

The sodium alginate is a natural polysaccharide formed by connecting beta-D-mannuronic acid and alpha-L-guluronic acid according to a bond of 1 → 4, is dissolved in water to form viscous liquid, has good fluidity, and can increase the viscosity of the shower gel. Lanolin is a kind of secreted oil attached to wool, and can make skin smooth and tender, has the effect of moistening skin, can soften and recover skin which is dry or rough due to lack of natural moisture, and has thickening effect on bath lotion. Xanthan gum is a polysaccharide macromolecular compound which is generated by fermentation of pseudoxanthomonas and consists of D-glucose, D-mannose and D-glucuronic acid according to the ratio of 2:2:1, the aqueous solution of the xanthan gum is neutral, has stronger hydrophilicity and higher viscosity, and is dispersed and emulsified in water to form stable hydrophilic viscous colloid.

Further, the alkyl glycoside is lauryl glucoside, and the mass ratio of the lauryl glucoside to sodium lauroyl glutamate is (1.6-2.1): 1.

by implementing the technical scheme, the lauryl glucoside, also called dodecyl glucoside, is the alkyl glucoside with the best foaming power and the best detergency, has rich and fine foam, does not irritate the skin, is quickly and thoroughly biodegraded, and has better matching effect with sodium lauroyl glutamate.

Further, the burdock extract is prepared according to the following method: crushing the dried burdock stems and leaves into powder, adding an acidic aqueous solution with the pH value of 2-3, wherein the adding amount of the acidic aqueous solution is 20-30 times of the mass of the burdock stem and leaf powder, stirring in a water bath at the temperature of 45-55 ℃ for 30-60 min, filtering, and concentrating the filtrate under reduced pressure to obtain the burdock extract.

By implementing the technical scheme, the burdock plants all contain antibacterial ingredients, and the burdock plants mainly resist staphylococcus aureus with the largest content in leaves and the highest content in flowering phase. The method adopts an acidic aqueous solution to extract burdock stems and leaves, under an acidic condition, the concentration of an extraction solvent is far greater than the intracellular concentration, so that a concentration difference is formed, and under the action of heating and stirring, the dissolution and the dissolution of active ingredients in burdock stem and leaf cells are promoted, so that the extract with high active ingredient content is obtained.

Further, the camellia seed extract is prepared according to the following method: removing shells of camellia seeds, crushing, extracting the crushed camellia seeds with 65-75% by mass of ethanol for 1-2 hours at the temperature of 75-80 ℃, extracting for 2-3 times, and combining the extract liquor; and (3) recovering ethanol in the leaching liquor by reduced pressure evaporation, and drying in vacuum at the temperature of 80-85 ℃ to obtain the camellia seed extract.

By implementing the technical scheme, the effective components such as tea saponin contained in the camellia seeds can be dissolved in the ethanol solution to obtain the camellia seed extract containing the tea saponin.

Further, the preservative comprises, by mass, 2-5 parts of burdock extract, 1-4 parts of platycodon root extract, 8-16 parts of shaddock peel extract, 11-20 parts of camellia seed extract, 7-15 parts of alkyl glycoside, 5-10 parts of sodium lauroyl glutamate, 0.1-1 part of natural preservative, 0.9-4 parts of natural thickener and 50-80 parts of deionized water.

The invention also aims to provide a preparation method of the mild and non-irritant body wash, which comprises the following steps: heating deionized water to 65-75 ℃, adding the platycodon grandiflorum extract, the camellia oleifera seed extract and the alkyl glycoside into the deionized water, stirring for dissolving, cooling to 40-45 ℃, adding the burdock extract, the shaddock peel extract and the sodium lauroyl glutamate, stirring uniformly, adding the natural thickening agent and the natural preservative, and stirring uniformly to obtain the product.

By implementing the technical scheme, the rapid dissolution of the platycodon grandiflorum extract, the camellia oleifera seed extract and the alkyl glycoside is facilitated at a higher temperature, after the temperature is reduced, the burdock extract, the shaddock peel extract and the sodium lauroyl glutamate which have relatively poor thermal stability are added, finally, the natural thickening agent is added to adjust the consistency, and the natural preservative is added to adjust the pH value, so that the shower gel finished product is obtained.

In conclusion, the invention has the following beneficial effects:

in the shower gel consisting of the natural extract, the surfactant and the natural auxiliary agent, most of the components are natural components, so that the irritation of the shower gel to the skin is greatly reduced, and the surfactant is compounded by the amino acid surfactant with mild skin action and alkyl glycoside and the like, so that the shower gel has mild skin action and is suitable for various sensitive skins. Meanwhile, in the natural extract, a plurality of components in the burdock extract, the platycodon root extract, the shaddock peel extract and the camellia seed extract are compounded, so that the natural extract has a basic cleaning effect on skin, has the effects of resisting bacteria, allergy, ulcer, wind itch and the like, and can moisten the skin and improve the situation of local skin acne. In addition, various components in the shower gel have the functions of sterilization and bacteriostasis, so that a long bacteriostasis effect is brought to the skin, the infection of various bacteria and fungi is reduced, the shower gel has a long shelf life, and the irritation brought by adding a synthetic preservative into the shower gel is effectively avoided.

Detailed Description

The following describes a technical solution of an embodiment of the present invention.

Example one

The embodiment provides mild and non-irritant body wash which consists of 100g of burdock extract, 200g of platycodon extract, 400mL of shaddock peel extract, 550g of camellia seed extract, 350g of lauryl glucoside, 250g of sodium lauroyl glutamate, 5g of citric acid, 45g of lanolin and 2500mL of deionized water.

The burdock extract adopted in the embodiment is prepared according to the following method: drying 0.8kg of burdock stem and leaf in the shade, pulverizing, soaking burdock stem and leaf powder in 20L acetic acid water solution with pH value of 2, stirring in water bath at 45 deg.C for 60min, filtering, concentrating the filtrate under reduced pressure, and vacuum drying to obtain burdock extract.

The platycodon extract used in this example was prepared as follows: pulverizing 1.5kg radix Platycodi dry root, adding radix Platycodi powder into 30L 70% ethanol solution, reflux extracting at 80 deg.C for 2 times, each for 2 hr, mixing the two extractive solutions, concentrating, recovering ethanol, and spray drying to obtain radix Platycodi extract.

The shaddock peel extract used in this example was prepared as follows: chopping 1.5kg of shaddock peel, placing in 5L of water, heating to boil, pouring out the boiling liquid, squeezing out the liquid in the shaddock peel by using gauze, placing the shaddock peel without the water liquid in 2.5L of water, adding 12.5g of citric acid, bathing for 30min at 45 ℃, filtering, collecting the filtrate, and evaporating and concentrating the filtrate to 500 mL.

The camellia seed extract adopted in the embodiment is prepared according to the following method: removing shells of 10kg of camellia seeds, crushing, extracting the crushed camellia seeds with ethanol with the mass fraction of 70%, extracting for 2h at the temperature of 75 ℃, wherein the extraction times are 3 times, and combining the extract liquor; recovering ethanol from the leaching solution by evaporation under reduced pressure, and vacuum drying at 80 deg.C to obtain Camellia seed extract.

The body wash of this example was prepared as follows: heating deionized water to 65 deg.C, adding radix Platycodi extract, oil Camellia seed extract and lauryl glucoside into deionized water, stirring for dissolving, cooling to 40 deg.C, adding Burdock extract, pericarpium Citri Grandis extract and sodium lauroyl glutamate, stirring, adding lanolin and citric acid, and stirring.

Example two

The difference between the present embodiment and the first embodiment is mainly as follows: the body wash of the present example consisted of 100g of burdock extract, 20g of platycodon extract, 400g of camellia seed extract, 300g of lauryl glucoside, 200g of sodium cocoyl glutamate, 20g of propolis, 80g of sodium alginate and 160mL of deionized water. The preparation methods of the burdock extract, the platycodon grandiflorum extract and the camellia seed extract adopted in the embodiment are the same as those of the embodiment one.

The body wash of this example was prepared as follows: heating deionized water to 75 deg.C, adding radix Platycodi extract, oil Camellia seed extract and lauryl glucoside into deionized water, stirring for dissolving, cooling to 45 deg.C, adding Burdock extract and sodium cocoyl glutamate, stirring, adding propolis and sodium alginate, and stirring.

EXAMPLE III

The difference between the present embodiment and the first embodiment is mainly as follows: the bath cream of the present example consisted of 100g of burdock extract, 50g of platycodon extract, 400mL of shaddock peel extract, 250g of sodium lauroyl glutamate, 300g of dodecyl dimethyl betaine, 12.5g of glycyrrhizic acid, 25g of xanthan gum, and 1500mL of deionized water. The preparation methods of the burdock extract, the platycodon grandiflorum extract and the shaddock peel extract adopted in the embodiment are the same as those of the embodiment one.

The body wash of this example was prepared as follows: heating deionized water to 70 deg.C, adding radix Platycodi extract and dodecyl dimethyl betaine into deionized water, stirring for dissolving, cooling to 43 deg.C, adding Burdock extract and sodium lauroyl glutamate, stirring, adding glycyrrhizic acid and xanthan gum, and stirring.

Examples four to six

Raw material compositions of the shower gel of examples four to six are shown in table 1, preparation methods of burdock extract, platycodon root extract, shaddock peel extract and camellia seed extract used in examples four to six are the same as those of example one, and preparation methods of the shower gel of examples four to six are also the same as those of example one.

Table 1 shower gel raw material compositions of examples to six

Composition (I)	Example four	EXAMPLE five	EXAMPLE six
				Burdock extract/g	60	75	60
Platycodon extract/g	40	75	30
				Shaddock peel extract/mL	240	250	225
Camellia seed extract/g	320	450	225
				Lauryl glucoside/g	240	250	195
Sodium lauroyl glutamate/g	160	150	/
				Cocoyl sodium glutamate/g	/	/	105
Citric acid/g	4	/	4.5
				Glycyrrhizic acid/g	/	2.5	/
Propolis/g	6	10	7.5
				Sodium alginate/g	10	20	/
Lanolin/g	40	50	45
				Deionized Water/mL	1400	1650	1150

Comparative example 1

The comparative example differs from the first example mainly in that: the shower gel of the comparative example does not contain natural additives (natural preservatives and natural thickeners), i.e. the comparative example does not contain citric acid and lanolin.

Comparative example No. two

The comparative example differs from the first example mainly in that: the shower gel of the comparative example does not contain a surfactant, i.e., the comparative example does not contain lauryl glucoside and sodium lauroyl glutamate.

Product detection

The products prepared in the examples and the comparative examples are tested according to the GB/T34857-2017 standard and the technical Specification for cosmetic safety, and the test results are shown in Table 2.

TABLE 2 sensory, physicochemical index test results of the examples and comparative examples

As can be seen from Table 2, the shower gel products prepared in the examples are stable, meet the national standards and technical specifications for cosmetic safety, and have a long shelf life and a pH value close to that of the skin. The shower gel of the comparison document 1 without adding the natural auxiliary agent has alkaline pH value and extremely short shelf life, and the shower gel of the comparison document 2 without adding the surfactant is unstable and does not accord with the relevant national standard.

And (3) bacteriostatic test: the method comprises the steps of cleaning 20 arms with similar degree of soiling of a person by adopting products of each example and each comparative example for 30s, sampling the arms before cleaning and after cleaning for 1min, 30min and 3h, culturing and detecting the number of bacteria on the arms before and after the use of the shower gel, diluting the collected samples, mixing the diluted samples with a liquefied agar culture medium, culturing at 37 ℃ for 24h, and calculating the total number of the bacteria in the samples according to the number of bacterial colonies on the culture medium.

TABLE 3 bacteriostatic test results of examples and comparative examples

As can be seen from Table 3, the shower gel prepared by the embodiments of the invention has good bacteriostatic effect, long lasting time, and better bacteriostatic action compared with the comparative example. In multiple examples, the fifth example has better bacteriostatic effect and longer bacteriostatic duration, and proves that the surfactant adopts lauryl glucoside and sodium lauroyl glutamate, and the mass ratio of the lauryl glucoside to the sodium lauroyl glutamate is (1.6-2.1): the compound effect within the range of 1 is good, and the surfactant, the natural extract and the natural auxiliary agent are favorably matched, so that the antibacterial effect of the shower gel is improved. The bacteriostatic effect of the shower gel prepared by the schemes of the fourth embodiment, the sixth embodiment and the first embodiment is relatively better than that of the second embodiment and the third embodiment, and the fact that the compounding effect of the four components in the natural extract is better than that of the three components is proved. The shower gel provided by the invention has good cleaning effect and long-acting antibacterial effect, is mild and non-irritant, has the effects of resisting allergy, ulcer and wind itch, can moisten skin, improves the situation of local skin acne, and is suitable for various sensitive skins.

Claims

1. The mild and non-irritant bath lotion is characterized by comprising, by weight, 22-45 parts of a natural extract, 12-25 parts of a surfactant, 1-5 parts of a natural auxiliary agent and 50-80 parts of deionized water;

the natural extract comprises, by weight, 2-5 parts of burdock extract, 1-4 parts of platycodon root extract, 8-16 parts of shaddock peel extract and 11-20 parts of camellia seed extract;

the surfactant comprises 7-15 parts of alkyl glycoside and 5-10 parts of sodium lauroyl glutamate in parts by weight, wherein the alkyl glycoside is lauryl glucoside, and the mass ratio of the lauryl glucoside to the sodium lauroyl glutamate is (1.6-2.1): 1;

the natural auxiliary agent comprises, by mass, 0.1-1 part of a natural preservative and 0.9-4 parts of a natural thickener;

the camellia seed extract is prepared by the following method: removing shells of camellia seeds, crushing, extracting the crushed camellia seeds with 65-75% by mass of ethanol for 1-2 hours at the temperature of 75-80 ℃, extracting for 2-3 times, and combining the extract liquor; recovering ethanol in the leaching liquor by reduced pressure evaporation, and drying in vacuum at the temperature of 80-85 ℃ to obtain an oil-tea camellia seed extract;

the burdock extract is prepared by the following method: crushing the dried burdock stems and leaves into powder, adding an acidic aqueous solution with the pH value of 2-3, wherein the adding amount of the acidic aqueous solution is 20-30 times of the mass of the burdock stem and leaf powder, stirring in a water bath at the temperature of 45-55 ℃ for 30-60 min, filtering, and concentrating the filtrate under reduced pressure to obtain the burdock extract.

2. The mild, non-irritating body wash of claim 1, wherein said natural preservatives comprise at least one of citric acid, glycyrrhizic acid and propolis.

3. The mild, non-irritating body wash of claim 1, wherein said natural thickening agent comprises at least one of sodium alginate, lanolin and xanthan gum.

4. The method for preparing the mild and non-irritating body wash according to claim 1, comprising the steps of: heating deionized water to 65-75 ℃, adding the platycodon grandiflorum extract, the camellia oleifera seed extract and the alkyl glycoside into the deionized water, stirring for dissolving, cooling to 40-45 ℃, adding the burdock extract, the shaddock peel extract and the sodium lauroyl glutamate, stirring uniformly, adding the natural thickening agent and the natural preservative, and stirring uniformly to obtain the product.