Sprayable leave-on dry hair gel, method of making and use thereof

Abstract

The application provides a sprayable no-wash dry hair gel, a preparation method and application thereof. A sprayable no-wash dry hair gel composition is disclosed for the first time, which comprises the following ingredients: sodium magnesium lithium silicate, plant tannin, MaspherTM CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine and ethanol. The composition can obtain excellent hair washing effect without adding traditional raw materials such as carbomer, and has good stability. The application also discloses a preparation method of the composition.

Description

Technical Field

[0001] This invention belongs to the field of chemical and polymer applications. More specifically, this invention relates to a sprayable no-rinse dry hair gel, its preparation method and application. Background Technology

[0002] In recent years, with the rise of the "lazy economy" and the widespread adoption of fast-paced lifestyles, the personal care market is undergoing a structural transformation from "basic cleaning" to "high efficiency and convenience" and "segmentation-specific" solutions. Against this backdrop, the waterless hair care sector has emerged as one of the fastest-growing areas in the personal care industry. Traditional dry hair products (such as dry shampoo sprays) primarily use starch or silica to absorb scalp oil. While this addresses the "oil removal" problem to some extent, it generally suffers from issues such as leaving dandruff, clogging hair follicles, and lack of styling ability. Traditional wet hair gels, on the other hand, rely on water evaporation to form a film, which cannot meet the needs of waterless scenarios and often results in stiff, sticky hair.

[0003] Currently, leave-in hair products on the market generally fall into three categories: spray, dry powder, and gel. Both spray and dry powder products pose a risk of powder inhalation during use, and spray products, due to their aerosol can packaging, limit their portability. Additionally, some products contain propellants (butane / propane), high concentrations of ethanol, cationic conditioning agents (such as cetrimonium chloride >0.25%, which is irritating), or controversial talc; aerosol products should be kept away from open flames. For some styling products: leave-in gels / mousses containing film-forming agents or silicone oil, repeated application can cause a buildup of film, making hair heavy and flat, requiring regular and thorough rinsing.

[0004] Sprayable no-rinse hair dryers aim to combine the functions of "dry shampooing and oil absorption" with "light styling," achieving waterless application through an innovative formula. The core technological logic behind these products lies in using volatile carriers (such as ethanol and isododecane) instead of water as solvents, carrying micronized modified starch or fumed silica to absorb excess sebum, and compounding with lightweight styling resins such as VP / VA copolymers. The product is sprayed through a pump-pressurized atomizing nozzle; the solvent evaporates instantly upon contact with air, and the oil-absorbing powder and film-forming agent work synergistically to remove greasiness while providing instant volume and natural texture support to the hair roots. No rinsing is required, avoiding the "whiteheads" and clumping issues of traditional gels.

[0005] However, this niche market is still in the exploratory stage. Although international brands have already laid out the concept of waterless styling, they still face technical bottlenecks in terms of formula stability (preventing powder sedimentation), evaporation rate control (avoiding excessive cold stimulation), and skin feel balance (removing oil without drying). Summary of the Invention

[0006] The purpose of this invention is to provide a sprayable no-rinse dry hair gel, its preparation method, and its application.

[0007] In a first aspect of the invention, a sprayable no-rinse dry hair gel composition is provided, the composition comprising: sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, zinc polyglutamate glutamine, and ethanol; wherein: Sodium magnesium lithium silicate: 1-4 parts by weight; Plant tannins: 0.1-3 parts by weight; Maspher™ CAS-4-5: 1.8-12 parts by weight; MIHAPOL PBS-50-CN: 0.08-10 parts by weight; Polyglutamic acid zinc glutamine: 0.08-0.9 parts by weight; Ethanol: 15-60 parts by weight.

[0008] In one or more embodiments, the sprayable no-rinse dry hair gel composition comprises: Sodium magnesium lithium silicate: 1.8-3.5 parts by weight, more preferably 2-3.2 parts by weight, for example 2.2, 2.4, 2.6, 2.8, 3 parts by weight; Plant tannins: 0.18-2.6 parts by weight, more preferably 0.5-2.5 parts by weight, for example 0.6, 0.8, 1, 1.2, 1.5, 1.8, 2, 2.2 parts by weight; Maspher™ CAS-4-5: 2-10 parts by weight, more preferably 3-9 parts by weight, for example 3.5, 4, 5, 6, 7, 8, 8.5 parts by weight; MIHAPOL PBS-50-CN: 0.1-8 parts by weight, more preferably 1.5-7 parts by weight, for example 2, 4, 5, or 6 parts by weight; Zinc polyglutamic acid glutamine: 0.1-0.8 parts by weight, more preferably 0.25-0.7 parts by weight, for example 0.3, 0.4, 0.5, 0.6 parts by weight; Ethanol: 18-55 parts by weight, more preferably 30-52 parts by weight, for example 33, 35, 40, 45, 50 parts by weight.

[0009] In one or more embodiments, the sprayable no-rinse dry hair gel composition further includes water (an effective amount of water).

[0010] In one or more embodiments, water is used in the form of 25-80 parts by weight, preferably 30-76 parts by weight.

[0011] In one or more embodiments, the total amount of sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOLPBS-50-CN, polyglutamic acid zinc glutamine, and water is 100 parts by weight.

[0012] In one or more embodiments, the sprayable no-rinse dry hair gel composition may also include a pharmaceutically acceptable carrier or modifier (such as, but not limited to, odor modifiers (such as fragrances), viscosity modifiers, pH modifiers, etc.).

[0013] In one or more embodiments, the plant tannins include: persimmon tannin, gallnut tannin, oak tannin, or combinations thereof.

[0014] In one or more embodiments, the degree of polymerization of the polyglutamic acid zinc glutamine is 3-6.

[0015] In another aspect of the invention, the use of sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOLPBS-50-CN, polyglutamic acid zinc glutamine, ethanol, and water in the preparation of a sprayable leave-in dry hair gel composition; said sprayable leave-in dry hair gel has the following properties: improved hair volume, improved hair smoothness, reduced hair graying, and removal of hair odor.

[0016] In another aspect of the present invention, a method for preparing a sprayable no-rinse dry hair gel composition is provided, comprising: a mixture of sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, zinc polyglutamate glutamine, and ethanol; wherein: Sodium magnesium lithium silicate: 1-4 parts by weight; Plant tannins: 0.1-3 parts by weight; Maspher™ CAS-4-5: 1.8-12 parts by weight; MIHAPOL PBS-50-CN: 0.08-10 parts by weight; Polyglutamic acid zinc glutamine: 0.08-0.9 parts by weight; Ethanol: 15-60 parts by weight.

[0017] In one or more embodiments, the sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, and ethanol are mixed in water; more preferably, the water content is 25-80 parts by weight, and more preferably 30-76 parts by weight.

[0018] In one or more embodiments, the method includes: Step 1: Add sodium magnesium lithium silicate to deionized water, start stirring and heat to 80-85℃, dissolve evenly to obtain the first reaction mixture; Step 2: Cool the first reaction mixture to 45-50°C, add plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, and polyglutamic acid zinc glutamine, and stir until homogeneous to obtain the second reaction mixture; Step 3: Cool the second reaction mixture to 20-30°C, add ethanol, stir until homogeneous, and obtain the third reaction mixture. Discharge the mixture to obtain the sprayable no-rinse dry hair gel.

[0019] In another aspect of the invention, a method is provided to improve hair volume, improve hair smoothness, reduce hair graying, and remove hair odor, the method comprising: spraying the hair with the aforementioned sprayable leave-in dry hair gel composition.

[0020] In another aspect of the invention, a package (box) is provided, comprising: a container, and a sprayable no-rinse dry hair gel composition as described above contained in the container.

[0021] In one or more embodiments, the composition is prepared as a unit-use package / container, for example, a daily dose in one package / container, or a daily dose split into several separate packages / containers.

[0022] The features mentioned above in this invention, or the features mentioned in the embodiments, can be combined arbitrarily. All features disclosed in this specification can be used with any compositional form, provided that the combination of these features does not contradict each other; all possible combinations should be considered within the scope of this specification. Each feature disclosed in the specification can be replaced by any alternative feature that provides the same, equivalent, or similar purpose. Therefore, unless otherwise specified, the disclosed features are merely general examples of equivalent or similar features.

[0023] Other aspects of the invention will be apparent to those skilled in the art from the disclosure herein. Attached Figure Description

[0024] Figure 1 In the hair strand test comparison experiment, the simulated scalp oil of the sample to be tested was evenly applied to the hair strand at an amount of 0.02g / g of hair, massaged and rubbed for 1 minute, combed 10 times with a narrow-tooth comb, and then allowed to dry slightly to obtain the greasy hair strand; from left to right, the hair strands after using Comparative Example 6, Example 2, Comparative Example 8, Comparative Example 9, and Comparative Example 7 are respectively.

[0025] Figure 2In the hair strand test comparison experiment, the sample was evenly applied to the oily hair strand at an amount of 0.1 ml / g of hair, massaged and rubbed for 1 minute, and then combed 10 times with a narrow-tooth comb. From left to right, the hair strands after using Comparative Example 6, Example 2, Comparative Example 8, Comparative Example 9, and Comparative Example 7 are shown respectively. Detailed Implementation

[0026] Through in-depth research, the inventors have for the first time disclosed a sprayable no-rinse dry hair gel composition containing the following ingredients: sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, and polyglutamic acid zinc glutamine ([(C5H7NO3)]). n (C5H 10 N2O3) x Zn] n (The degree of polymerization is 3-6) and ethanol. This composition achieves excellent shampooing results without the need for traditional raw materials such as carbomer, while also exhibiting good stability. This invention also discloses a method for preparing this composition.

[0027] the term

[0028] To enable those skilled in the art to understand the features and effects of the present invention, the terms and expressions used in the specification and claims are explained and defined in general below. Unless otherwise specified, all technical and scientific terms used herein have the ordinary meaning understood by those skilled in the art regarding the present invention, and in case of conflict, the definitions in this specification shall prevail.

[0029] As used herein, the term "composition (formula) of the present invention" refers to a substance containing, in effective amounts as described herein, sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, and ethanol as the main active ingredient (component). The amount of the active ingredient in the composition is as defined herein. In some cases, dilution or concentration may also be performed where necessary.

[0030] As used herein, the term “pharmaceuticalally acceptable” refers to a substance that is suitable for human and / or animal use without excessive adverse side effects (such as toxicity, irritation, and allergic reactions), i.e., a substance with a reasonable benefit / risk ratio.

[0031] As used herein, the term "pharmaceuticalally acceptable carrier" refers to a carrier that enables the application of cosmetic or personal care products, including various excipients and diluents that are not essential active ingredients themselves and do not cause excessive toxicity upon application. Suitable carriers are well known to those skilled in the art. A thorough discussion of cosmetically acceptable excipients can be found in the Cosmetic Hygiene Standard 2015.

[0032] As used herein, the term "effective amount" refers to an amount that is functional or active in humans and / or animals and is acceptable to humans and / or animals.

[0033] As used herein, the terms “containing” or “including” include “comprising”, “substantially (or primarily) composed of”, and “composed of”.

[0034] As used herein, the term "consistently made of / component of" means that the composition, in addition to containing essential components or essential ingredients (sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, and ethanol), may also contain small amounts of minor components and / or impurities that do not affect the active ingredient. For example, it may contain additives commonly used in the art or other similar art.

[0035] As used herein, the term "unit dosage form / dosage" refers to a dosage form or dose of the composition of the present invention prepared for a single application for ease of administration. The unit dosage form contains a dosage of the composition of the present invention suitable for single, daily, or time-based administration.

[0036] As used herein, "parts by weight" or "number of parts by weight" are used interchangeably, and the parts by weight can be any fixed weight expressed in milligrams, grams, or kilograms (e.g., 1 mg, 1 g, 2 g, 5 g, or 1 kg, etc.). For example, a composition consisting of 1 part by weight of component a and 9 parts by weight of component b can be a composition consisting of 1 gram of component a + 9 grams of component b, or 10 grams of component a + 90 grams of component b, etc. In the composition, the percentage content of a certain component = (number of parts by weight of that component / sum of the number of parts by weight of all components) × 100%. Therefore, in a composition consisting of 1 part by weight of component a and 9 parts by weight of component b, the content of component a is 10%, and the content of component b is 90%.

[0037] While the numerical ranges and parameters used to define the broader scope of this invention are approximate, the relevant values ​​in the specific embodiments have been presented as precisely as possible. However, any numerical value inevitably contains standard deviations due to individual test methods. Here, "approximately" generally means that the actual value is within plus or minus 10%, 5%, 1%, or 0.5% of a particular value or range. Alternatively, the term "approximately" may mean that the actual value falls within the acceptable standard error of the average, as determined by those skilled in the art. Except for experimental examples, or unless explicitly stated otherwise, it is understood that all ranges, quantities, values, and percentages used herein (e.g., to describe material usage, duration, temperature, operating conditions, quantity ratios, and others similar) are modified with "approximately". Therefore, unless otherwise stated, the numerical parameters disclosed in this specification and the accompanying claims are approximate values ​​and are subject to change as needed. At a minimum, these numerical parameters should be understood as the indicated significant digits and values ​​obtained by applying general rounding.

[0038] Unless otherwise defined in this specification, scientific and technical terms used herein have the same meaning as understood and commonly used by those skilled in the art. Furthermore, unless conflicting with the context, singular nouns used herein include their plural forms, and vice versa.

[0039] In this document, all features defined by numerical ranges or percentage ranges, such as numerical values, quantities, contents, and concentrations, are used for the sake of brevity and convenience only. Accordingly, descriptions of numerical ranges or percentage ranges should be considered as covering and specifically disclosing all possible sub-ranges and individual numerical values ​​(including integers and fractions) within those ranges.

[0040] The theories or mechanisms described and disclosed herein should not limit the scope of the invention in any way; that is, the invention can be implemented without being limited by any particular theory or mechanism.

[0041] Composition

[0042] This invention provides a sprayable no-rinse dry hair gel composition comprising: effective amounts of sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, and ethanol as the main active ingredients.

[0043] Preferably, in one embodiment, the composition is further prepared into a usable formulation comprising the following components: sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, ethanol, and water.

[0044] As a preferred embodiment of the present invention, the amounts of the main active components / active ingredients used to formulate the compositions of the present invention are shown in Table 1.

[0045] Table 1 (Unit: parts by weight)

[0046] The formulation ranges in the table above serve as guidance for preferred embodiments. It should be understood that when used to develop and prepare compositions, the effective dosage of the composition may vary depending on the actual application. For example, it may be prepared in a concentrated or diluted form, and these variations should also be included in this invention.

[0047] The present invention also includes compounds, formulations, analogs and / or salts, hydrates or precursors of the active ingredients listed in the table above; including naturally occurring and artificially synthesized substances thereof.

[0048] Alternatively, the MIHAPOL PBS-50-CN can be replaced with AMPHOSET, or a methacryloyl ethyl betaine / acrylate copolymer (CAS No.: 72828-35-4). MIHAPOL PBS-50-CN is preferred.

[0049] Alternatively, the Maspher™ CAS-4-5 can be replaced with LS5010P-LL or cellulose acetate microbeads. Maspher™ CAS-4-5 is preferred.

[0050] In a preferred embodiment, the sprayable no-rinse dry hair gel composition is prepared using the following method: Step 1: Add sodium magnesium lithium silicate to deionized water, start stirring and heat to 80-85℃, dissolve evenly to obtain the first reaction mixture; Step 2: Cool the first reaction mixture to 45-50°C, add plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, and polyglutamic acid zinc glutamine, and stir until homogeneous to obtain the second reaction mixture; Step 3: Cool the second reaction mixture to 20-30°C, add ethanol, stir until homogeneous, and obtain the third reaction mixture. Discharge the mixture to obtain the sprayable no-rinse dry hair gel.

[0051] The above formulation range serves as a guide for preferred embodiments. However, it should be understood that when used to develop and prepare compositions, the effective dosage of the composition may vary depending on the actual application. For example, it may be prepared in a concentrated or diluted form, and these variations should also be included in this invention.

[0052] The present invention also includes equivalents of the active ingredients listed in the table above, and formulations.

[0053] In some preferred embodiments of the invention, the composition is a unit dosage form. When the composition is prepared as a unit dosage form, for example, one dose of the unit dosage form may be applied daily / every other day; or 1-3 or 1-2 doses may be applied daily, depending on the amount of active ingredient in the unit dosage form.

[0054] Applications and Effects

[0055] In this field, existing leave-in dry hair gel products, such as leave-in shampoos, dry hair lotions, and dry hair gels, typically use carbomer as a thickener, which is prone to uneven application, slow drying time, and cannot effectively add highly ionic plant-based deodorizing agents and other active ingredients.

[0056] This invention specifically selects sodium magnesium lithium silicate as a thickener and tannins from plant polyphenolic compounds for synergistic thickening. Sodium magnesium lithium silicate forms a three-dimensional network structure through electrostatics and van der Waals forces, resulting in a refreshing texture and excellent pseudoplastic flow, making it convenient for spraying. However, this type of physical cross-linking is relatively weak and easily affected by external conditions, leading to network shrinkage and an inability to effectively lock in the aqueous phase, thus presenting stability issues. The tannins from the plant polyphenols added in this invention can react with oxygen atoms or metal ions (such as Na+) on the surface of silicates. + Mg² + Li + Coordination enhances the cross-linking effect, forming a tighter network structure, thereby increasing the viscosity and stability of the system. Therefore, this invention specifically selects sodium magnesium lithium silicate and tannins from plant polyphenolic compounds for synergistic thickening, which not only improves the stability of the system but also achieves a significant odor removal effect.

[0057] The present invention, through reasonable formulation of components and dosages, produces a product with good adhesion to hair and high hair styling retention under high temperature and high humidity conditions; due to its low surface resistance, it can impart an anti-static effect to the hair.

[0058] This invention, through the rational formulation of components and dosages, yields a product with moderate oil absorption properties, preventing dryness of the hair, providing a soft and delicate skin feel and excellent smoothness, reducing whitening, and creating an invisible voluminous effect.

[0059] This invention specifically selects polyglutamic acid zinc glutamine as an essential component, which can significantly improve the oil-removing effect of leave-in dry hair gel on the scalp.

[0060] The invention will be better understood from the following examples. However, those skilled in the art will understand that the specific methods and results are merely for illustrating the invention and not for limiting it. Experimental methods in the following examples, unless otherwise specified, are generally performed under conventional conditions or as recommended by the manufacturer.

[0061] I. Material Specifications

[0062] The main materials for preparing the compositions of the present invention are shown in Table 2.

[0063] Table 2

[0064] II. Preparation of No-Wash Hair Drying Gel

[0065] No-rinse dry hair gels of Examples 1-4 were prepared, and Comparative Examples 5-9 were prepared at the same time. The proportions (parts by weight) are shown in Table 3.

[0066] Table 3

[0067] In Table 3, "-" indicates that no additive was added; the unit is parts by weight.

[0068] The main difference between Comparative Example 5 and Example 2 is that carbomer is used instead of sodium magnesium lithium silicate.

[0069] The difference between Comparative Example 6 and Example 2 is that no persimmon tannins were added.

[0070] The difference between Comparative Example 7 and Example 2 is that Maspher™ CAS-4-5 was replaced with HDI / trimethylolhexyl lactone crosslinking polymer.

[0071] The difference between Comparative Example 8 and Example 2 is that MIHAPOL PBS-50-CN was replaced with AMP salt of acrylate copolymer.

[0072] The difference between Comparative Example 9 and Example 2 is that no polyglutamic acid zinc glutamine was added.

[0073] The preparation method of the no-rinse dry hair gel: Step 1: Add sodium magnesium lithium silicate to deionized water, start stirring and heat to 83±1℃, dissolve evenly to obtain the first reaction mixture; Step 2: Cool the first reaction mixture to 47±1℃, add tannin, Maspher™ CAS-4-5, MIHAPOLPBS-50-CN, and polyglutamic acid zinc glutamine, and stir until homogeneous to obtain the second reaction mixture; Step 3: Cool the second reaction mixture to 25±1℃, add ethanol, stir evenly to obtain the third reaction mixture, discharge the mixture to obtain the sprayable no-rinse dry hair gel.

[0074] III. Performance Testing

[0075] 1. User experience test of leave-in dry hair gel

[0076] The user experience of the leave-in dry hair gels obtained in the above embodiments and comparative examples was tested. The specific test methods are as follows: Thirty-two test subjects were selected (all subjects had oily scalps, and none of them were allowed to wash their hair for 36 hours before the test, and were prohibited from using styling products, moisturizers, and conditioners). Four test subjects tested one example or comparative example. The users scored the product based on their sensory experience using a 10-point scale, and the average score was calculated. The test focused on the effects of the leave-in dry hair gel on volume, smoothness, shine, spraying effect (if it could not be sprayed or the spraying effect was poor, it was applied topically instead), and the duration of hair whitening. The data were recorded.

[0077] The results of the user experience test for no-rinse dry hair gel are shown in Table 4.

[0078] Table 4

[0079] According to Table 4: The leave-in dry hair gels prepared in Examples 1-4 of this invention all achieve a certain refreshing and voluminous effect, while also removing odors and minimizing hair whitening after use. The compositions in Examples 2-4 are significantly more effective than those in Example 1.

[0080] The composition prepared in Comparative Example 5 could not form a gel and precipitated, therefore it could not be used for evaluation.

[0081] The composition prepared in Comparative Example 6 had a poor effect on removing odors from hair.

[0082] The composition prepared in Comparative Example 7 resulted in noticeable whitening of the hair after use, and its overall long-lasting oil control effect was poor.

[0083] The composition prepared in Comparative Example 8 had an affected spraying effect, and its fluffy and smooth effects were also slightly worse.

[0084] The composition prepared in Comparative Example 9 retained its oil-free state for a shorter period after cleaning.

[0085] The composition prepared in Comparative Example 10 could not be sprayed into a mist, and after use, the hair turned noticeably white and the smoothing effect was also poor.

[0086] 2. Stability Evaluation

[0087] The stability of the no-rinse dry hair gels prepared in the examples and comparative examples was observed at different temperatures. After 3 months at 45℃, 25℃, and 5℃, the gel surface was observed for any water seepage or other issues. After 1 month at -18℃ and through thermal cycling, the gel surface was observed for any water seepage or other issues. The results are shown in Table 5.

[0088] Table 5

[0089] According to Table 5: The no-rinse dry hair gels prepared in Examples 2-4 and Comparative Examples 7-9 of this invention showed good stability. The composition prepared in Example 1 exhibited slight water seepage during 45°C and thermal cycling tests. Among these, Examples 2-4 showed better results than Example 1.

[0090] The composition prepared in Comparative Example 6 showed poor stability test results.

[0091] 3. Immediate degreasing test

[0092] Each group of subjects used Examples 1-4 and Comparative Examples 6-9 of the no-shampoo dry hair gel. Thirty-two test subjects were selected (all subjects had varying degrees of oily scalp, and all subjects were prohibited from washing their hair for 36 hours before the test, and from using styling agents, moisturizers, and conditioners). Four test subjects tested one example or comparative example. The sebum data of seven areas of the head (forehead, left and right crown, left and right temples, and left and right occipital regions) before and after use were measured using a Sebumeter SM815 sebum analyzer. The average value was taken and statistical analysis was performed, including the calculation of the rate of change.

[0093] Change rate (%) = (after use - before use) / before use × 100%.

[0094] The results are shown in Table 6 below.

[0095] Table 6

[0096] According to Table 6: The no-rinse dry hair gels prepared in Examples 2-4 of this invention have good immediate oil-removing effects. In Example 1, due to the low addition amount of MaspherTM CAS-4-5, the immediate oil-removing effect is moderate. Among them, the effects of Examples 2-4 are better than those of Example 1.

[0097] Comparative Example 7 showed poor immediate degreasing effect because it used HDI / trimethylolhexyl lactone crosspolymer instead of Maspher™ CAS-4-5.

[0098] 4. Hair strand test comparison

[0099] Simulated scalp oil was evenly applied to the hair strands at a rate of 0.02 g / g of hair, massaged and rubbed for 1 minute, and then combed 10 times with a narrow-tooth comb. After drying slightly, oily hair strands were obtained. Sample hair was evenly applied to the hair strands of the sample group at a rate of 0.1 ml / g of hair, massaged and rubbed for 1 minute, and then combed 10 times with a narrow-tooth comb.

[0100] Figure 1-2 In the middle, from left to right, the hair strands after using Comparative Example 6, Example 2, Comparative Example 8, Comparative Example 9, and Comparative Example 7 are respectively. Figure 1 For the treated greasy hair strands, Figure 2 After combing the hair section 10 times with a narrow-tooth comb. From Figure 2 As can be seen from the data, the hair strands treated in Example 2 had the best volume effect, while the other comparative examples did not have the same volume effect as Example 2, with Comparative Example 7 having the worst volume effect.

[0101] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims. Furthermore, all documents mentioned in this invention are incorporated herein by reference as if each document were individually incorporated by reference.

Claims

1. A sprayable no-rinse dry hair gel composition, characterized in that, The composition comprises: sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, and ethanol; wherein: Sodium magnesium lithium silicate: 1-4 parts by weight; Plant tannins: 0.1-3 parts by weight; Maspher™ CAS-4-5: 1.8-12 parts by weight; MIHAPOL PBS-50-CN: 0.08-10 parts by weight; Polyglutamic acid zinc glutamine: 0.08-0.9 parts by weight; Ethanol: 15-60 parts by weight.

2. The sprayable no-rinse dry hair gel composition as described in claim 1, characterized in that, The composition comprises: Sodium magnesium lithium silicate: 1.8-3.5 parts by weight, more preferably 2-3.2 parts by weight; Plant tannins: 0.18-2.6 parts by weight, preferably 0.5-2.5 parts by weight; Maspher™ CAS-4-5: 2-10 parts by weight, preferably 3-9 parts by weight; MIHAPOL PBS-50-CN: 0.1-8 parts by weight, more preferably 1.5-7 parts by weight; Polyglutamic acid zinc glutamine: 0.1-0.8 parts by weight, more preferably 0.25-0.7 parts by weight; Ethanol: 18-55 parts by weight, more preferably 30-52 parts by weight.

3. The sprayable no-rinse dry hair gel composition as described in claim 1, characterized in that, The sprayable no-rinse dry hair gel composition also includes water; Preferably, water comprises 25-80 parts by weight, more preferably 30-76 parts by weight; Preferably, the total amount of sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, and water is 100 parts by weight.

4. The sprayable no-rinse dry hair gel composition as described in claim 1, characterized in that, The plant tannins mentioned include: persimmon tannin, gallnut tannin, oak tannin, or combinations thereof; or The degree of polymerization of the polyglutamic acid zinc glutamine is 3-6.

5. The use of sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, ethanol and water in the preparation of a sprayable leave-in dry hair gel composition; said sprayable leave-in dry hair gel has the following properties: improving hair volume, improving hair smoothness, reducing hair graying and removing hair odor.

6. A method for preparing a sprayable no-rinse dry hair gel composition, comprising: Sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, and ethanol are mixed; among which: Sodium magnesium lithium silicate: 1-4 parts by weight; Plant tannins: 0.1-3 parts by weight; Maspher™ CAS-4-5: 1.8-12 parts by weight; MIHAPOL PBS-50-CN: 0.08-10 parts by weight; Polyglutamic acid zinc glutamine: 0.08-0.9 parts by weight; Ethanol: 15-60 parts by weight.

7. The method as described in claim 6, characterized in that, The sodium magnesium lithium silicate, plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, polyglutamic acid zinc glutamine, and ethanol are mixed in water; more preferably, the water content is 25-80 parts by weight, and more preferably 30-76 parts by weight.

8. The method as described in claim 7, characterized in that, The method includes: Step 1: Add sodium magnesium lithium silicate to deionized water, start stirring and heat to 80-85℃, dissolve evenly to obtain the first reaction mixture; Step 2: Cool the first reaction mixture to 45-50°C, add plant tannins, Maspher™ CAS-4-5, MIHAPOL PBS-50-CN, and polyglutamic acid zinc glutamine, and stir until homogeneous to obtain the second reaction mixture; Step 3: Cool the second reaction mixture to 20-30°C, add ethanol, stir until homogeneous, and obtain the third reaction mixture. Discharge the mixture to obtain the sprayable no-rinse dry hair gel.

9. A method for improving hair volume, improving hair smoothness, reducing hair graying, and removing hair odor, the method comprising: Apply the sprayable no-rinse dry hair gel composition according to any one of claims 1-4 to the hair.

10. A package comprising: A container, and a sprayable no-rinse dry hair gel composition according to any one of claims 1-4 contained in the container.

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