A quick-drying setting spray and a method of making the same

Abstract

The present application relates to the field of cosmetic technology, in particular to a quick-drying and shaping spray and a preparation method thereof, in particular to a hair styling product which is quickly dried, permanently shaped and has hair care effect through the synergistic effect of specific film-forming agents and volatile systems, comprising the following components: ethanol 30-50%, aminomethyl propanol 0.1-1%, butanediol 1-5%, octyl acrylamide / acrylate / methyl acrylate copolymer 5-15%, PEG-12 dimethicone 0.5-2%, keratin 0.1-2%, hydrolyzed keratin 0.1-2%, oxidized keratin 0.1-2%, aloe barbadensis leaf extract 0.5-3%, selaginella kurata extract 0.5-3%, radix falatoniae extract 0.5-3%, radix salviae miltiorrhizae extract 0.5-3%, water 20-40%, essence 0.1-2%, cetrimonium chloride 0.1-1%, phenoxyethanol 0.5-1.5%, propylene glycol 1-5%, p-hydroxyacetophenone 0.5-1.5%, chlorphenesin 0.1-0.5%, ethylhexylglycerin 0.5-1.5%.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cosmetics, in particular to a quick-drying styling spray and a preparation method thereof, especially a hair styling product that can achieve quick drying, long-lasting styling and hair care through the synergistic effect of specific film-forming agents and volatile systems. BACKGROUND

[0002] With the improvement of living quality, people pay more and more attention to the aesthetics and durability of hair styles. Hair styling products, as the key to shaping and maintaining hair styles, have a growing market demand. However, current styling sprays on the market have many defects.

[0003] In terms of drying speed, many styling sprays need a long time to dry. For example, ordinary sprays may take 5-10 minutes to dry initially in a normal temperature and humidity environment, which seriously affects the use efficiency and brings inconvenience to consumers with fast-paced life. The lack of durability of the styling effect is also a common problem. In the face of wind, sweating and friction in daily activities, most styling sprays cannot maintain the hairstyle for a long time, and the hairstyle will deform significantly after 2-4 hours, which cannot meet the all-day styling needs of consumers. In addition, some styling sprays can damage the hair. After long-term use, the hair becomes dry and brittle, and loses its luster.

[0004] Traditional styling sprays add a large amount of high-volatility organic solvents such as high-concentration ethanol to achieve quick drying, which damages the hair cuticle, causes water loss, and makes the hair dry and brittle. Some film-forming agents can temporarily style the hair, but the film formed is too hard, making the hair stiff and unnatural. Moreover, due to the lack of flexibility, the film is easily broken down by external factors, leading to styling failure. At the same time, the existing styling spray formula is complex, containing multiple chemical components, which increases the risk of allergies and is not friendly to people with sensitive scalp.

[0005] The prior art CN107822904A discloses a spray emulsion composition and a preparation method thereof, the spray emulsion composition comprising an oil phase A, a water phase B, a C phase and a D phase; the oil phase A comprising: an oil-soluble emulsifier, an emollient, an oil fraction, a silicone oil; the water phase B comprising: water, an acrylate / beheneth-25 methacrylate copolymer, a water-soluble emulsifier, a humectant, allantoin; the C phase comprising: aminomethylpropanol, triethanolamine; the D phase comprising: phenoxyethanol, p-hydroxyacetophenone. The obtained spray emulsion composition can obtain a fine emulsion through a sprayer, the skin feels refreshing and is easily absorbed by the skin, but the technology does not mention the quick-drying and styling effects. The prior art CN113304082A proposes a waxy fluffy styling hair foam aerosol and a preparation method thereof, comprising a film former, an oil, an emulsifier, a thickening agent, a humectant, a foaming agent, a softening agent, a preservative, triethanolamine, phenoxyethanol, polygonum multiflorum root extract, kaolin, essence, deionized water and propellant. The present application is compounded from waxy raw materials, oil, emulsifier and functional nutritional components, and mixed propellant is used as an aerosol, which is sprayed and used, and is sprayed in the form of foam, has natural styling effect, can impart natural luster to hair, is refreshing and not sticky, has no white dandruff, the thin film formed on the hair has a certain elasticity, can repeatedly shape different hair styles, has good curl retention, has natural, durable and beautiful styling, has secondary styling ability, has nourishing, protecting and conditioning effects on hair, has hair moisturizing, nourishing and protecting functions. The patent technology takes into account the styling and hair care functions at the same time, but does not consider the quick-drying demand in actual application.

[0006] In summary, it is of great practical significance and market value to develop a styling spray which is quick-drying, has durable styling effect, is mild to hair and has safe ingredients. SUMMARY

[0007] The present application aims to solve the technical problem that the hair styling products in the prior art cannot balance the drying speed, styling durability and scalp repair, and provides a quick-drying styling spray and a preparation method thereof.

[0008] To solve the above technical problems, the present application designs the following component system:

[0009] Gradient volatile system: a three-level volatile system is constructed by 30-50% of ethanol, 0.1-1% of aminomethylpropanol and 1-5% of butanediol.

[0010] Among them, ethanol: fast evaporation (boiling point 78°C), forming an initial setting network; aminomethyl propanol: medium speed evaporation (boiling point 165°C), extending the film forming time; butanediol: slow evaporation (boiling point 190.3°C), maintain the flexibility of the film. By reasonable collocation of the above three different boiling point alcohols, a gradient evaporation system is formed to realize quick drying and persistent setting.

[0011] Two-phase film forming system: by octyl acrylamide / acrylic acid / butyl aminoethyl methacrylate copolymer 5-15% and PEG-12 dimethicone 0.5-2%, a two-phase film forming system is constructed. Among them: octyl acrylamide / acrylic acid copolymer (5-10wt%) belongs to hard phase, providing skeleton support; PEG-12 dimethicone (1-3wt%) belongs to soft phase, filling network pores. The cross-linking between copolymer molecules enhances the toughness and adhesion of the film, resists external force and humidity, and maintains the stability of the hairstyle.

[0012] Bionic repair system: keratin 0.1-2%, hydrolyzed keratin 0.1-2%, oxidized keratin 0.1-2%, radix polygoni multiflori extract 0.5-3%, aloe barbadensis miller extract 0.5-3%, radix salviae miltiorrhizae extract 0.5-3%, selaginella moellendorffii hance extract 0.5-3%. Among them, the molecular weight of hydrolyzed keratin is 800-1200Da, which can penetrate into the cortex to repair disulfide bonds; keratin components fill the damage of hair scales, improve the smoothness of hair quality; aloe extract contains polysaccharides and amino acids, moisturizing and nourishing; salvia and radix polygoni multiflori extract antioxidant, reduce the damage of ultraviolet rays to hair.

[0013] By compounding film forming polymer and compounding volatile system, quick drying and film forming are realized, combined with keratin components (keratin, hydrolyzed keratin, oxidized keratin) to repair hair structure, using plant extracts (aloe, selaginella moellendorffii hance, radix polygoni multiflori, radix salviae miltiorrhizae) to provide moisturizing and antioxidant effect, at the same time, through the optimization of aerosol process to ensure the fine and uniform spray, improve the setting efficiency and durability.

[0014] To achieve the above technical purposes, the application provides a quick-drying setting spray, which comprises the following components in percentage by weight: ethanol 30-50%, aminomethyl propanol 0.1-1%, butanediol 1-5%, octyl acrylamide / acrylate / methyl butyl aminoethyl methacrylate copolymer 5-15%, PEG-12 dimethicone 0.5-2%, keratin 0.1-2%, hydrolyzed keratin 0.1-2%, oxidized keratin 0.1-2%, aloe barbadensis leaf extract 0.5-3%, selaginella tamariscina extract 0.5-3%, radix falatoniae extract 0.5-3%, radix salviae miltiorrhizae extract 0.5-3%, water 20-40%, essence 0.1-2%, cetrimonium bromide 0.1-1%, phenoxyethanol 0.5-1.5%, propylene glycol 1-5%, p-hydroxyacetophenone 0.5-1.5%, chlorphenesin 0.1-0.5%, ethylhexylglycerin 0.5-1.5%.

[0015] Further, the mass ratio of the octyl acrylamide / acrylate / methyl butyl aminoethyl methacrylate copolymer to the PEG-12 dimethicone is 10:1.

[0016] Further, the mass ratio of the ethanol: aminomethyl propanol: butanediol is 40:0.5:3.

[0017] Further, the weight ratio of the keratin: hydrolyzed keratin: oxidized keratin is 1:1:1.

[0018] Further, the total content of the aloe barbadensis leaf extract, the selaginella tamariscina extract, the radix falatoniae extract and the radix salviae miltiorrhizae extract is 2-10%.

[0019] Further, the essence is sandalwood essence, and the content is 0.5-1.5%.

[0020] Further, the dosage form of the spray is an aerosol, and the pressure package contains a flammable propellant.

[0021] The application also provides a preparation method of the quick-drying and permanent shaping spray, comprising the following steps: uniformly mixing water, aminomethyl propanol, butanediol and propylene glycol, adding PEG-12 dimethicone and cetrimonium chloride and stirring until the two are dissolved, sequentially adding aloe extract, clubmoss extract, radix falatoniae extract and radix salviae miltiorrhizae extract, uniformly mixing, adding ethanol, octyl acrylamide / acrylate / methyl butyl amino ethyl methacrylate copolymer, keratin, oxidized keratin, hydrolyzed keratin, phenoxyethanol, p-hydroxyacetophenone, chlorphenesin and ethylhexylglycerin, finally adding essence, homogenizing, filtering and filling into an aerosol can, and sealing by filling in a propellant.

[0022] Further, the propellant is propane, butane or dimethyl ether, and the filling amount is 10-20% of the weight of the spray.

[0023] The application also provides the use of the quick-drying and permanent shaping spray, which is used for hair styling and has a 6-24 hour lasting shaping effect.

[0024] Beneficial effects

[0025] (1) quick drying and lasting shaping. The gradient volatilization system (ethanol, aminomethyl propanol and butanediol) is used to realize quick drying of the spray within 1-2 minutes, which is significantly better than the drying time of 5-10 minutes of traditional products. The three-stage volatilization system cooperates to ensure uniform and lasting film formation, and the 24-hour shaping retention rate is ≥95%, which is much higher than the 2-4 hour lasting degree of commercially available products. The hydroxyl group in the molecule of aminomethyl propanol forms a hydrogen bond network with ethanol, so that the ethanol molecules are released in an orderly manner, and the volatilization rate is increased by 40% (0.6±0.1 minutes measured).

[0026] (2) flexible and natural shaping effect. The two-phase film forming system (octyl acrylamide / acrylate / butyl amino ethyl methacrylate copolymer and PEG-12 dimethicone) is compounded at a ratio of 10:1 to form a polymer film with a moderate elastic modulus (8.5×10 5 Pa), and the hair touch is natural and flexible, avoiding the rigid or fragile problems of traditional formulations. The deformation rate is <3% over time, and the hairstyle can still be stable in a humidity of 80%, and the moisture resistance is excellent. In addition, the butyl amino ethyl ester group in the copolymer has an ion-dipole interaction with cetrimonium chloride, so that the elastic modulus of the polymer film is kept at 105-106 Pa, and the deformation rate is <3% (tested for 24 hours).

[0027] (3) High efficiency repair and hair care effect. Biomimetic repair system (keratin, hydrolyzed keratin, oxidized keratin) synergizes with plant extracts (aloe vera, radix falcaliae etc.), repairing hair scale integrity by 90%, and increasing breaking strength to 58 cN, significantly improving hair quality problems caused by chemical damage. The cysteine residues (-SH) of hydrolyzed keratin exchange with the disulfide bonds (-S-S-) of hair keratin, with a repair rate of 45-48% (SEM observation), combined with antioxidant components to reduce UV damage, and long-term use can enhance hair luster and toughness.

[0028] (4) Component safety and mildness. Abandoning high-concentration single ethanol system, reducing damage to hair cuticle, adding propylene glycol, aloe vera etc. Moisturizing ingredients, reducing the risk of dry hair. Plant extracts (salvia miltiorrhiza, selaginella etc.) are naturally mild, reducing the risk of allergies, suitable for sensitive scalp people.

[0029] (5) Process optimization and user experience. Aerosol process ensures fine and uniform spraying, wide coverage, avoiding local clumping or sticky feeling. Sandalwood fragrance (0.5-1.5%) provides fresh fragrance, improving the sense of pleasure of use.

[0030] (6) Multi-functional integrated design. One product realizes the three functions of quick drying, long-lasting styling, and repairing and protecting hair at the same time, simplifying the user care steps, meeting the efficient and convenient needs of modern consumers.

[0031] (7) Environmental protection and economy. Degradable propellant (propane / butane) is used to reduce environmental pollution. The formula component ratio is scientific, avoiding excessive addition of ineffective components, reducing production cost. DETAILED DESCRIPTION

[0032] The following non-limiting examples can enable those skilled in the art to have a more comprehensive understanding of the present application, but do not limit the present application in any way. All raw materials in this scheme can be obtained by market purchase.

[0033] Example 1

[0034] A quick-drying styling spray, comprising the following components by weight percentage: ethanol 40.0%, aminomethyl propanol 0.5%, butylene glycol 3.0%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.0%, keratin 1.0%, hydrolyzed keratin 1.0%, oxidized keratin 1.0%, aloe barbadensis leaf extract 1.5%, selaginella pulvinata extract 1.5%, radix polygoni multiflori extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium bromide 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood fragrance 0.7%, water 29%.

[0035] Preparation method:

[0036] Mix water, aminomethyl propanol, butylene glycol, and propylene glycol evenly;

[0037] Add PEG-12 dimethicone and cetrimonium bromide, stir until dissolved;

[0038] Add aloe barbadensis leaf extract, selaginella pulvinata extract, radix polygoni multiflori extract, and radix salviae miltiorrhizae extract in sequence, mix evenly;

[0039] Add ethanol, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer, keratin, oxidized keratin, hydrolyzed keratin, phenoxyethanol, p-hydroxyacetophenone, chlorphenesin, and ethylhexylglycerin, stir evenly;

[0040] Finally, add sandalwood fragrance, homogenize, filter, and fill into an aerosol can, and seal with propellant propane (amount: 15% of the weight of the spray).

[0041] Example 2

[0042] A quick-drying styling spray, comprising the following components by weight percentage: ethanol 35.0%, aminomethyl propanol 0.5%, butylene glycol 4.0%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.0%, keratin 1.0%, hydrolyzed keratin 1.0%, oxidized keratin 1.0%, aloe barbadensis leaf extract 1.5%, selaginella pulvinata extract 1.5%, radix polygoni multiflori extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium bromide 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood fragrance 0.7%, water 33%.

[0043] Preparation method: same as example 1, adjusting the component amount proportionally, consistent with the process steps.

[0044] Example 3

[0045] A quick-drying styling spray, by weight percentage, includes the following components: ethanol 45.0%, aminomethyl propanol 0.5%, butylene glycol 2.0%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.0%, keratin 1.0%, hydrolyzed keratin 1.0%, oxidized keratin 1.0%, aloe barbadensis leaf extract 1.5%, selaginella kurata extract 1.5%, radix falatoniae extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium chloride 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood fragrance 0.7%, water 25%.

[0046] Preparation method: same as example 1, adjusting the component amount proportionally, consistent with the process steps.

[0047] Example 4

[0048] A quick-drying styling spray, by weight percentage, includes the following components: ethanol 45.0%, aminomethyl propanol 0.5%, butylene glycol 2.0%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.0%, keratin 1.0%, hydrolyzed keratin 1.0%, oxidized keratin 1.0%, aloe barbadensis leaf extract 1.5%, selaginella kurata extract 1.5%, radix falatoniae extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium chloride 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood fragrance 0.7%, water 25%.

[0049] Preparation method: same as example 1, adjusting the component amount proportionally, consistent with the process steps.

[0050] Example 5

[0051] A quick-drying styling spray, by weight percentage, includes the following components: ethanol 40.0%, aminomethyl propanol 0.5%, butylene glycol 3.0%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.5%, keratin 1.0%, hydrolyzed keratin 1.0%, oxidized keratin 1.0%, aloe barbadensis leaf extract 1.5%, selaginella kurata extract 1.5%, radix falatoniae extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium chloride 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood fragrance 0.7%, water 28.5%.

[0052] Preparation method: same as example 1, adjust the amount of PEG-12 dimethicone and water proportionally, and the process steps are consistent.

[0053] Comparative example 1

[0054] A quick-drying styling spray, by weight percentage, includes the following components: ethanol 40%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.0%, keratin 1.0%, hydrolyzed keratin 1.0%, oxidized keratin 1.0%, aloe barbadensis leaf extract 1.5%, selaginella kurata extract 1.5%, radix falatoniae extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium chloride 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood fragrance 0.7%, water 32.5%. (No aminomethyl propanol and butylene glycol, the amount is increased to water)

[0055] Preparation method: same as example 1, no aminomethyl propanol and butylene glycol, and the remaining steps are consistent.

[0056] Comparative example 2

[0057] A quick-drying styling spray, by weight percentage, includes the following components: ethanol 43.5%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.0%, keratin 1.0%, hydrolyzed keratin 1.0%, oxidized keratin 1.0%, aloe barbadensis leaf extract 1.5%, selaginella pulvinata extract 1.5%, radix polygoni multiflori extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium bromide 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood essence 0.7%, water 29%. (Without aminomethyl propanol, butylene glycol, the amount is increased to ethanol)

[0058] Preparation method: same as example 1, without aminomethyl propanol, butylene glycol, the rest of the steps are consistent.

[0059] Comparative example 3

[0060] A quick-drying styling spray, by weight percentage, includes the following components: ethanol 40.0%, aminomethyl propanol 0.5%, butylene glycol 3.0%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, keratin 1.0%, hydrolyzed keratin 1.0%, oxidized keratin 1.0%, aloe barbadensis leaf extract 1.5%, selaginella pulvinata extract 1.5%, radix polygoni multiflori extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium bromide 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood essence 0.7%, water 30%.

[0061] Preparation method: same as example 1, without PEG-12 dimethicone, the rest of the steps are consistent.

[0062] Comparative example 4

[0063] A quick-drying styling spray, by weight percentage, includes the following components: ethanol 40.0%, aminomethyl propanol 0.5%, butylene glycol 3.0%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.0%, aloe barbadensis leaf extract 1.5%, selaginella pulvinata extract 1.5%, radix salviae miltiorrhizae extract 1.5%, cetrimonium bromide 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood essence 0.7%, water 33.5%. (Without keratin and radix polygoni multiflori extract)

[0064] Preparation method: same as Example 1, without keratin and radix polygoni multiflori extract, and the rest of the steps are consistent.

[0065] Comparative Example 5

[0066] A quick-drying styling spray, comprising the following components by weight percentage: ethanol 40.0%, aminomethyl propanol 0.5%, butylene glycol 3.0%, octyl acrylamide / acrylates / butylaminoethyl methacrylate copolymer 10.0%, PEG-12 dimethicone 1.0%, hydrolyzed keratin 1.0%, cetrimonium chloride 0.5%, phenoxyethanol 1.0%, propylene glycol 3.0%, p-hydroxyacetophenone 1.0%, chlorphenesin 0.3%, ethylhexylglycerin 1.0%, sandalwood fragrance 0.7%, water 37%. (Only contains hydrolyzed keratin, does not contain keratin, oxidized keratin and plant extract)

[0067] Preparation method: same as Example 1, without keratin, oxidized keratin and plant extract, and the rest of the steps are consistent.

[0068] Experimental test

[0069] Experiment 1: Effect of gradient volatile system on quick-drying and styling durability

[0070] Test index:

[0071] ① Quick-drying time: the time from spraying to the hair being completely non-sticky (standard: ≤2 minutes is excellent). ② 24-hour styling retention rate: using the hair bundle sagging method, measuring the height change of the end of the hair bundle (referring to the internal standard of the laboratory: retention rate = (H24 / H0) x 100%).

[0072] Test method:

[0073] a. Take 10 standard hair bundles (20 cm, 0.5 g / bundle), 5 bundles for each sample, and 5 bundles for the control group (no treatment).

[0074] b. After spraying and shaking, spray at a distance of 15 cm from the hair bundle for 20 seconds, measure the initial height (H0) after drying at room temperature (25°C, humidity 60%), and measure the height (H24) after hanging for 24 hours.

[0075] Experiment 2: Effect of two-phase film-forming system on film flexibility

[0076] Test index:

[0077] Film elastic modulus: using dynamic mechanical analysis (DMA), measuring the elastic modulus of the polymer film at room temperature (standard: 10 5 -106 Pa is moderately flexible.

[0078] Deformation rate over time: After the hair bundle is shaped, it is placed in a humidity 80% environment for 24 hours, and the change in the bending angle of the hair bundle is measured (standard: deformation rate <5% is excellent in moisture resistance).

[0079] Experiment 3: Repairing effect of the biomimetic repair system on hair damage

[0080] Test index:

[0081] Hair scale integrity: The surface of the hair is observed by scanning electron microscopy (SEM), and the proportion of the complete hair scale area is calculated (standard: ≥85% is significantly repaired).

[0082] Breaking strength: The maximum load of a single hair strand stretched to breaking (standard: ≥50cN is improved in strength).

[0083] Table 1: Comparison of properties of gradient volatile systems

[0084]

[0085] Conclusion:

[0086] The gradient volatile system (Examples 1-3) has a dry time of ≤2 minutes, which is significantly better than the traditional single ethanol system (Comparative Examples 1-2), and a 24-hour retention rate of ≥95%, proving that the combination of different boiling point alcohols can synergistically improve the volatility efficiency and film stability.

[0087] Although high ethanol content (Comparative Example 2) shortens the dry time, the rapid evaporation of low-boiling solvents leads to uneven film formation, and the retention rate of shaping in a humidity environment decreases significantly.

[0088] Table 2: Comparison of properties of two-phase film-forming systems

[0089]

[0090] Conclusion:

[0091] When the ratio of hard phase (copolymer) to soft phase (silicone) in the two-phase film-forming system is 10:1 (Example 1), the elastic modulus is best, the film layer is flexible and has strong anti-deformation ability.

[0092] The absence of the soft phase (Comparative Example 3) leads to a hard and brittle film layer, with a deformation rate over time of more than 5%, verifying the key role of the soft phase in filling pores and enhancing toughness.

[0093] Table 3: Comparison of repairing effects of biomimetic repair systems

[0094]

[0095] The control group is the untreated hair strand.

[0096] Conclusion:

[0097] The keratin component combined with four plant extracts (Example 1) has the best repair effect, with an increase of 38% in scale integrity and 53% in breaking strength, which is significantly better than the single component (Comparative Example 5) or the formula without Polygoni multiflori Radix (Comparative Example 4).

[0098] Hydrolyzed keratin (800-1200 Da) penetrates into the cortex to repair disulfide bonds, and combined with plant extracts, it has antioxidant effect, thereby improving the structure of hair.

[0099] Summary

[0100] The gradient volatile system realizes the balance between quick drying and long-lasting shaping by compounding different boiling point alcohols, and the optimal ratio is ethanol 40%+aminomethyl propanol 0.5%+butanediol 3%.

[0101] In the two-phase film-forming system, when the ratio of hard phase to soft phase is 10:1, the film layer has the best flexibility and moisture resistance, avoiding the defects of rigidity and easy breaking of traditional formulas.

[0102] The biomimetic repair system relies on the synergy of keratin components (1:1:1 combination) and four plant extracts to significantly improve the repair efficiency of hair, verifying the necessity of multi-component combination.

[0103] The present application solves the technical problem that traditional shaping sprays cannot achieve quick drying and nourishment at the same time through the synergistic design of the three systems, and has significant innovation and practical value.

[0104] Those skilled in the art should understand that the above examples are only exemplary embodiments, and various changes, substitutions and changes can be made without departing from the spirit and scope of the present application.

Claims

1. A quick-drying styling spray, characterized in that, By weight percentage, it comprises the following components: ethanol 30-50%, aminomethyl propanol 0.1-1%, butanediol 1-5%, octyl acrylamide / acrylate / methyl butyl amino ethyl methacrylate copolymer 5-15%, PEG-12 dimethicone 0.5-2%, keratin 0.1-2%, hydrolyzed keratin 0.1-2%, oxidized keratin 0.1-2%, aloe barbadensis leaf extract 0.5-3%, selaginella tamariscina extract 0.5-3%, radix polygoni multiflori extract 0.5-3%, radix salviae miltiorrhizae extract 0.5-3%, water 20-40%, essence 0.1-2%, cetrimonium chloride 0.1-1%, phenoxyethanol 0.5-1.5%, propylene glycol 1-5%, p-hydroxyacetophenone 0.5-1.5%, chlorphenesin 0.1-0.5%, ethylhexylglycerin 0.5-1.5%; the mass ratio of octyl acrylamide / acrylate / methyl butyl amino ethyl methacrylate copolymer to PEG-12 dimethicone is 10:1; the mass ratio of ethanol: aminomethyl propanol: butanediol is 40:0.5:3; the weight ratio of keratin: hydrolyzed keratin: oxidized keratin = 1:1:1; the molecular weight of hydrolyzed keratin is 800-1200 Da.

2. A quick-drying styling spray according to claim 1, wherein The total content of aloe barbadensis leaf extract, selaginella tamariscina extract, radix polygoni multiflori extract and radix salviae miltiorrhizae extract is 2-10%.

3. A quick-drying setting spray according to any one of claims 1-2, characterized in that, The essence is sandalwood essence, and the content is 0.5-1.5%.

4. A quick-drying setting spray according to any one of claims 1 to 2, wherein The dosage form of the spray is an aerosol, and the pressure package contains a flammable propellant.

5. A process for the preparation of a quick-drying, permanent spray as claimed in any one of claims 1 to 4, characterized in that It comprises the following steps: mix water, aminomethyl propanol, butanediol and propylene glycol uniformly, add PEG-12 dimethicone and cetrimonium chloride and stir until dissolved, add aloe barbadensis leaf extract, selaginella tamariscina extract, radix polygoni multiflori extract and radix salviae miltiorrhizae extract in turn, mix uniformly, then add ethanol, octyl acrylamide / acrylate / methyl butyl amino ethyl methacrylate copolymer, keratin, oxidized keratin, hydrolyzed keratin, phenoxyethanol, p-hydroxyacetophenone, chlorphenesin and ethylhexylglycerin, finally add essence, homogenize, filter and fill in an aerosol can, and seal with a propellant.

6. A process for the preparation of a quick-drying, setting spray according to claim 5, characterized in that, The propellant is propane, butane or dimethyl ether, and the filling amount is 10-20% of the weight of the spray.

7. Use of a quick-drying styling spray according to any one of claims 1 to 4 or a quick-drying styling spray prepared according to the method of any one of claims 5 to 6, characterized in that, It is used for hair styling.

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