A method for preparing and using a dandruff and itch relief composition

Abstract

The application discloses a preparation method and application of a dandruff-removing and itching-relieving composition, and the method comprises the following steps: putting each component in phase A into a main production pot and starting stirring; heating the temperature in the main production pot to 75-80 DEG C, and keeping stirring until each component is uniformly dissolved; putting the pretreated components in phase B into the main production pot, and stirring until the components are completely mixed and uniformly distributed; putting the pretreated carbopol 980 into the main production pot, so that the material is fully mixed and uniformly distributed; when the temperature in the main production pot is reduced to 45-50 DEG C, putting each component in phase D into the main production pot, so that each component can be fully mixed and uniformly distributed; adding components in phase E, so that the components in phase E are completely dissolved; putting each component in phase F into the main production pot, so that each component is mixed, dispersed and uniformly distributed; putting components in phase G into the main production pot, and filtering out the material, so that the dandruff-removing and itching-relieving composition is obtained.

Description

[0001] The present application claims priority to the Chinese patent application No. 202410142543.0, filed on January 31, 2024, entitled "Preparation method and application of a dandruff-removing and itching-relieving composition", the whole content of which is incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the technical field of cosmetics or the technical field of shampoo preparation, in particular to a preparation method and application of a dandruff-removing and itching-relieving composition. BACKGROUND

[0003] In actual life, hair has a great influence on the overall image of people, so the care of hair has become a hot spot of people's attention. In life, many young people are troubled by dandruff, which can cause itching. The main inducing factors of dandruff include the following situations: individual sensitivity, sebaceous gland activity, fungal colonization, etc. At present, the dandruff-removing products on the market are relatively single, and the dandruff-removing and itching-relieving effect is not obvious, therefore, the problem of how to improve the dandruff-removing and itching-relieving effect needs to be solved. SUMMARY

[0004] The present application provides a preparation method and application of a dandruff-removing and itching-relieving composition, which can improve the dandruff-removing and itching-relieving effect.

[0005] In a first aspect, the present application provides a preparation method of a dandruff-removing and itching-relieving composition, which comprises:

[0006] Put each component in A phase into a main production pot, adjust the rotating speed to 10-12 r / min, and start stirring;

[0007] Connect the jacket in the main production pot to high-temperature steam, heat the temperature in the main production pot to 75-80℃, and keep stirring to dissolve each component uniformly;

[0008] Pre-treat B phase with a cationic conditioner to obtain a treated B phase;

[0009] Put the pre-treated B phase component into the main production pot, keep stirring at 75-80℃ for 10-15 min until completely mixed uniformly, and start cooling;

[0010] Pre-treat C phase with Caprol 980 to obtain a pre-treated C phase;

[0011] Put the pre-treated Caprol 980 into the main production pot, keep stirring at a rotating speed of 10-15 r / min, and start homogenization, homogenize at a shear rate of 1000-1500 r / min for 3-5 min to fully mix the material;

[0012] When the temperature in the main production kettle is reduced to 45-50℃, the components of phase D are added into the main production kettle, stirring is maintained at a speed of 10-15r / min for 10-15min, and homogenization is performed at a shear rate of 1000-1500r / min for 1-2min, so that the components can be fully mixed and uniformly distributed;

[0013] When the temperature is reduced to 40℃ or below, the components of phase E are added, stirring is maintained at a speed of 10-15r / min for 20-30min, so that the components of phase E are completely dissolved;

[0014] The components of phase F are added into the main production kettle, stirring is maintained at a speed of 10-15r / min for 10-15min, so that the components are mixed and uniformly distributed;

[0015] The components of phase G are added into the main production kettle, the stirring speed is reduced to 5-10r / min, and stirring is continued for 20-30min, and the product is filtered to obtain the anti-dandruff and itching-relieving composition.

[0016] In a second aspect, the application provides an application of the anti-dandruff and itching-relieving composition prepared by the preparation method of the anti-dandruff and itching-relieving composition described in the first aspect in the field of preparing external skin care preparations.

[0017] The application has the following beneficial effects:

[0018] It can be seen that the preparation method and application of the dandruff and itching relieving composition described in the embodiments of the present application, the components in the A phase are put into the main production pot, the rotating speed is adjusted to 10-12 r / min, and the stirring is started; the jacket in the main production pot is connected to the high temperature steam, the temperature in the main production pot is heated to 75-80℃, and the uniform dissolution of the components is ensured by heat preservation and stirring; the B phase is pretreated by the cation conditioner to obtain the pretreated B phase; the pretreated B phase components are put into the main production pot, and heat preservation and stirring are performed at 75-80℃ for 10-15 min until complete mixing is uniform; the C phase is pretreated by the carbopol 980 to obtain the pretreated C phase; the pretreated carbopol 980 is put into the main production pot, the stirring is kept at a rotating speed of 10-15 r / min, and the homogenization is started; the homogenization is performed at a shear rate of 1000-1500 r / min for 3-5 min to fully mix the material; when the temperature in the main production pot is reduced to 45-50℃, the D phase components are put into the main production pot, the stirring is kept at a rotating speed of 10-15 r / min for 10-15 min, and the homogenization is performed at a shear rate of 1000-1500 r / min for 1-2 min to fully mix the components; the temperature is reduced to below 40℃, the E phase components are added, the stirring is kept at a rotating speed of 10-15 r / min for 20-30 min to completely dissolve the E phase components; the F phase components are put into the main production pot, the stirring is kept at a rotating speed of 10-15 r / min for 10-15 min to uniformly mix and disperse the components; the G phase components are put into the main production pot, the rotating speed is adjusted to 5-10 r / min, and the stirring is continued for 20-30 min; the material is filtered out to obtain the dandruff and itching relieving composition, and the dandruff and itching relieving composition can improve the dandruff and itching relieving effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 is a flowchart of a preparation method of a dandruff and itching relieving composition provided by the embodiments of the present application;

[0021] Figure 2 is a flowchart of a system process for preparing water for generating a dandruff and itching relieving composition provided by the embodiments of the present application. DETAILED DESCRIPTION

[0022] In the following, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0023] The terms "first", "second", etc. in the specification and claims of the present application and the above drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or units inherent to the process, method, product or device.

[0024] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor does it necessarily refer to a particular embodiment that is preferred over other embodiments. It is explicitly and implicitly understood that the embodiments described herein can be combined with other embodiments.

[0025] In the embodiments of the present application, the pH value is the pH value, which is a symbol used in chemistry to measure the acidity or alkalinity of a liquid.

[0026] Please refer to Figure 1 , Figure 1 is a flowchart of a preparation method of a dandruff and itching relieving composition provided in the embodiments of the present application, as shown in the figure, the preparation method of the dandruff and itching relieving composition can include the following steps:

[0027] S101, put each component in the A phase into the main production pot, adjust the rotating speed to 10-12r / min, and start stirring.

[0028] In the embodiments of the present application, each component in the A phase can be put into the main production pot, and the rotating speed of the main production pot is adjusted to 10-12r / min, and stirring is started.

[0029] Optionally, the A phase includes water, CAB, MLD PF, 1618C, AES and C11S.

[0030] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0031] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0032] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0033] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0034] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0035] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0036] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0037] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0038] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0039] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0040] In the embodiment of the present application, the CAB can include: cocamidopropyl betaine, water. The MLD PF can include sodium lauroyl sarcosinate, water. The 1618C can include cetearyl alcohol. The AES can include sodium laureth sulfate, water. The C11S can include cocamide MEA, glycerin.

[0041] The ratio (wt.%) of KDMP, Quat 2240, 120E and water in the B phase can be 0.4, 0.7, 0.25 and 17, respectively.

[0042] Optionally, the step S103 of pre-treating the B phase with the cationic conditioner can be implemented as follows:

[0043] In the production sub-pot, a sufficient amount of production water is added in proportion, the stirring speed is adjusted to 5 r / min, the stirring is started, the 120E conditioner in the B phase is scattered into the pot in multiple times, the stirring is continued for 5-10 min until the surface of the 120E is completely wetted, the stirring is paused, and the remaining components of the B phase are added into the sub-pot at one time, the stirring speed is increased to 10-12 r / min, the stirring is restarted, and the temperature is gradually increased to 75-80℃, the stirring is continued until the components are completely dissolved and uniform, and the temperature is kept at not less than 65℃ for standby.

[0044] In the embodiment of the present application, a sufficient amount of production water (cold water) is added in proportion in the production sub-pot, the stirring speed is adjusted to 5 r / min, the stirring is started, the 120E conditioner in the B phase is scattered into the pot in multiple times, the stirring is continued for 5-10 min until the surface of the 120E is completely wetted (at this time, there is no yellow solid mass), the stirring is paused, and the remaining components of the B phase are added into the sub-pot at one time, the stirring speed is increased to 10-12 r / min, the stirring is restarted, and the temperature is gradually increased to 75-80℃, the stirring is continued until the components are completely dissolved and uniform, and the temperature is kept at not less than 65℃ for standby.

[0045] In specific implementation, the 120E is not suitable to be added at one time, and it is easy to form a large block of gel, which wraps part of the 120E inside, and is not easy to wet and disperse, thereby increasing the process time and difficulty. After the B phase is completely dissolved, the temperature before being added into the main production pot should be kept above 65℃, otherwise the KDMP in the B phase will be precipitated. After the KDMP is precipitated, it is added into the main production pot, and due to the presence of anionic surfactants, the KDMP will be difficult to dissolve.

[0046] S104, the pre-treated B phase components are added into the main production pot, and the temperature is kept at 75-80℃ for 10-15 min for stirring until complete mixing and uniformity, and then the temperature is started to be reduced.

[0047] In specific implementation, the pre-treated B phase components can be added into the main production pot, the temperature is kept at 75-80℃ for 10-15 min for stirring until complete mixing and uniformity, and then the temperature is started to be reduced.

[0048] S105, the C phase is pre-treated with Carpol 980 to obtain a pre-treated C phase.

[0049] In the embodiment of the present application, the C phase can be pre-treated with Carpol 980 to obtain a pre-treated C phase.

[0050] Optionally, the C phase comprises Carbopol 980 and water.

[0051] In the embodiments of the present application, the Carbopol 980 can comprise carbomer.

[0052] The ratio (percent) of Carbopol 980 and water in the C phase can be 0.35, 15.

[0053] Optionally, the step S105 of pre-treating the C phase with Carbopol 980 can comprise the following steps:

[0054] The auxiliary production container is used to disperse the Carbopol 980 in 15 parts of 70-80°C hot water, and a stirrer is used to stir at a stirring rate of 10-15 r / min for 10-20 min to fully wet the Carbopol 980. The homogenizer is then started, and the speed is adjusted to 1000-2000 r / min to make the Carbopol 980 fully hydrated through high-speed shearing. At this time, the pre-prepared liquid is a uniform translucent gel, and is ready for use after standing.

[0055] In the embodiments of the present application, the auxiliary production container is used to disperse the Carbopol 980 in 15 parts of 70-80°C hot water, and a stirrer is used to stir at a stirring rate of 10-15 r / min for 10-20 min to fully wet the Carbopol 980. At this time, the mixture is in the form of uneven semi-transparent gel particles without white clumps. Then the homogenizer is started, and the speed is adjusted to 1000-2000 r / min to make the Carbopol 980 fully hydrated through high-speed shearing. At this time, the pre-prepared liquid is a uniform translucent gel, and is ready for use after standing.

[0056] In specific implementations, the Carbopol 980 plays a role of suspension stabilization and thickening in the system, and needs to be fully hydrated and swollen in advance before being added to the main production pot. Otherwise, transparent gel particles will be formed in the subsequent process, which cannot be completely stirred and dispersed, thereby affecting the viscosity, stability and uniform appearance of the product.

[0057] S106, the pre-treated Carbopol 980 is put into the main production pot, stirring is maintained at a speed of 10-15 r / min, and homogenization is started at a shearing rate of 1000-1500 r / min for 3-5 min to fully mix the material.

[0058] In the embodiments of the present application, the pre-treated Carbopol 980 is put into the main production pot, stirring is maintained at a speed of 10-15 r / min, and homogenization is started at a shearing rate of 1000-1500 r / min for 3-5 min to fully mix the material.

[0059] In a specific implementation, since the pH value of the material in the main production kettle is above 6.5, after the addition of Carpol 980, the Carpol 980 is partially neutralized and forms a transparent gel material, and therefore, the homogenization is beneficial to the dispersion of the Carpol 980. However, the shear rate should be controlled to be 1000-1500 r / min, and should not be too large, otherwise the chain of the Carpol 980 will be broken, and the stability of the product will be affected.

[0060] In the embodiment of the present application, when the temperature in the main production kettle is reduced to 45-50°C, the components of the D phase are added into the main production kettle, stirring is maintained at a rate of 10-15 r / min for 10-15 min, and homogenization is performed at a shear rate of 1000-1500 r / min for 1-2 min, so that the components can be fully and uniformly mixed.

[0061] In the embodiment of the present application, when the temperature in the main production kettle is reduced to 45-50°C, the components of the D phase are added into the main production kettle, stirring is maintained at a rate of 10-15 r / min for 10-15 min, and homogenization is performed at a shear rate of 1000-1500 r / min for 1-2 min, so that the components can be fully and uniformly mixed.

[0062] In a specific implementation, the homogenization is beneficial to the emulsification of the oil component by the surface active solution, and the oil component is more uniformly dispersed in the system, which is helpful to the improvement of the stability.

[0063] Optionally, the D phase includes HE, Silsoft Silk, EP 6205, and SF3000C.

[0064] In the embodiment of the present application, the HE can include PEG-7 glyceryl cocoate. The Silsoft Silk can include polysilicone-18, trideceth-6, lauryl alcohol polyoxyethylene-7, cocamidopropyl betaine, and dipropylene glycol. The EP 6205 can include PPG-5 cetyl alcohol polyoxyethylene-20. The SF3000C can include ethylene glycol distearate, water, lauryl alcohol polyoxyethylene-4, cocamidopropyl betaine, and benzoic acid.

[0065] In the D phase, the ratio of the Silsoft Silk, the EP 6205, and the SF3000C can be 0.7, 0.5, 0.4, and 2.

[0066] In the embodiment of the present application, when the temperature is reduced to 40°C or below, the E phase components are added, and stirring is maintained at a rate of 10-15 r / min for 20-30 min, so that the E phase components are completely dissolved.

[0067] In the embodiment of the present application, when the temperature is reduced to 40°C or below, the E phase components are added, and stirring is maintained at a rate of 10-15 r / min for 20-30 min, so that the E phase components are completely dissolved.

[0068] Optionally, the E phase comprises: OCT.

[0069] In the embodiment of the application, the OCT can comprise: piroctone olamine.

[0070] The ratio of the OCT in the whole formula can be 0.3%.

[0071] The E phase comprises OCT. The OCT in the E phase is an anti-dandruff agent, and high temperature can promote the complexation of the OCT with iron ions, causing the material body to turn yellow. Therefore, in order to control the color of the material body from turning yellow, the E phase components should be added below 40°C, and the introduction of iron ions by raw materials and production tools should be controlled.

[0072] The OCT in the E phase is an anti-dandruff agent, and can improve the anti-dandruff and anti-itch effects.

[0073] S109, each component of the F phase is put into the main production pot, and stirred at a speed of 10-15 r / min for 10-15 min to uniformly mix and disperse each component.

[0074] In the embodiment of the application, each component of the F phase can be put into the main production pot, and stirred at a speed of 10-15 r / min for 10-15 min to uniformly mix and disperse each component.

[0075] Optionally, the F phase comprises: Scalpvitin, Antimicro C230, snow cordyceps fermentation filtrate Filtrate-DGL, DX-701, essence, and NaCl.

[0076] In the embodiment of the application, Scalpvitin can comprise: saccharide isomerate, water, citric acid, and sodium citrate. Antimicro C230 can comprise: phenoxyethanol, benzyl alcohol, and benzoic acid. Snow cordyceps fermentation filtrate Filtrate-DGL can comprise: Saccharomyces boulardii fermentate, black cordyceps extract, 1,2-hexanediol, and p-hydroxyacetophenone. DX-701 can comprise: Saccharomyces cerevisiae / rice ferment filtrate.

[0077] The ratio of calpvitin, Antimicro C230, snow cordyceps fermentation filtrate Filtrate-DGL, DX-701, essence, and NaCl in the F phase can be 0.3%, 0.6%, 2%, 0.2%, 0.7%, and 0.6%, respectively.

[0078] S110, the components of the G phase are put into the main production pot, the speed is adjusted to 5-10 r / min, and stirring is continued for 20-30 min, and the material is filtered out to obtain the anti-dandruff and anti-itch composition.

[0079] In the embodiment of the application, the G phase component is put into the main production pot, the rotating speed is adjusted to 5-10 r / min, and stirring is continued for 20-30 min, and the material is filtered out.

[0080] Optionally, the G phase comprises: KOH solution (10%), the KOH solution comprising potassium hydroxide and water.

[0081] In the embodiment of the application, the G phase comprises: KOH solution (10%), the KOH solution comprising potassium hydroxide and water.

[0082] In the embodiment of the application, the G phase comprises: KOH solution (10%), the KOH solution comprising potassium hydroxide and water.

[0083] In the embodiment of the application, the appearance of the dandruff-removing and itching-relieving composition is white to slightly yellowish viscous material, the smell of the dandruff-removing and itching-relieving composition is a specific fragrance, and the pH value is 6-7.

[0084] In the embodiment of the application, the preparation method of the dandruff-removing and itching-relieving composition can comprise the following steps.

[0085] 1. The components in the A phase are put into the main production pot, the rotating speed is adjusted to 10-12 r / min, and stirring is started.

[0086] 2. The jacket of the main production pot is connected to high-temperature steam, the temperature in the main production pot is heated to 75-80 DEG C, and uniform dissolution of the components is achieved through heat preservation and stirring.

[0087] 3. Pretreatment of the cationic conditioning agent: sufficient production water (cold water) is added to the production auxiliary pot according to the proportion, the stirring rotating speed is adjusted to 5 r / min, and stirring is started. The 120E conditioning agent in the B phase is scattered into the pot in multiple times, and stirring is continued for 5-10 min until the surface of the 120E is completely wet (at this time, there is no yellow solid mass). The stirring is paused, the remaining components in the B phase are put into the auxiliary pot at one time, the rotating speed is increased to 10-12 r / min, the stirring is restarted, and the temperature is gradually increased to 75-80 DEG C. The components are completely dissolved and uniform through stirring, and the temperature is kept at not less than 65 DEG C for standby.

[0088] 4. The pretreated B phase components in step 3 are put into the main production pot, heat preservation and stirring are continued at 75 DEG C-80 DEG C for 10-15 min until complete mixing and uniformity. The temperature is started to be decreased.

[0089] 5. Pretreatment of Carbopol 980 (C phase): using auxiliary production container, dispersing Carbopol 980 in 15 parts of 70-80℃ hot water, using a blender at a stirring rate of 10-15 r / min for 10-20 min, wetting Carbopol fully, at this time the mixture is in the form of uneven semi-transparent gel particles, without white clumps. Then start homogenization, speed to 1000-2000 r / min, through high-speed shearing to make Carbopol 980 fully hydrated, at this time the pre-prepared liquid is uniform and semi-transparent gel, and is ready for use.

[0090] 6. Put the pretreated Carbopol 980 in step 5 into the main production pot, keep stirring at a speed of 10-15 r / min, and start homogenization, homogenize at a shearing rate of 1000-1500 r / min for 3-5 min, so that the material is fully mixed and uniform.

[0091] 7. When the temperature in the main production pot drops to 45-50℃, put the components of D phase into the main production pot, keep stirring at a speed of 10-15 r / min for 10-15 min, and homogenize at a shearing rate of 1000-1500 r / min for 1-2 min, so that the components are fully mixed and uniform.

[0092] 8. Re-starting homogenization is beneficial to emulsifying the oil components by the surface active solution, and more uniformly dispersing in the system, which helps to improve stability.

[0093] 9. When the temperature drops to below 40℃, add the components of E phase, keep stirring at a speed of 10-15 r / min for 20-30 min, so that the components of E phase are fully dissolved.

[0094] 10. Put the components of F phase into the main production pot, stir at a speed of 10-15 r / min for 10-15 min, so that the components are mixed and dispersed uniformly.

[0095] 11. Put the components of G phase into the main production pot, reduce the speed to 5-10 r / min, continue stirring for 20-30 min, and filter the material.

[0096] In the embodiments of the application, the water used for preparing the anti-dandruff and itching-relieving composition is treated as follows: using membrane separation technology, high-precision removal of microorganisms, viruses, small-molecule organic matter, heavy metals, inorganic salt ions and other impurities. The production water meets the process requirements. The conductivity is ≤5 μS / cm, and the pH value is in the range of 5.5-7.5.

[0097] In a specific implementation, water is the component with the highest proportion in the product, and the quality of the production water directly affects the quality and safety of the product. Therefore, purification treatment of the production water is a key control point for removing most of the insoluble impurities, metal ions, inorganic salt ions and microorganisms to ensure the quality of the water and further improve the effect of removing dandruff and relieving itching.

[0098] In the embodiment of the application, the design requirements of water are as follows: raw water supply≥6T / H, water pressure 2.0kg / cm 2 , water temperature: 15-30℃, raw water quality (tap water) conductivity <350us / cm.

[0099] In a specific implementation, the water for preparing the dandruff-removing and itching-relieving composition is prepared by using the system flow as Figure 2 . Specifically, raw water tank -> raw water pump -> full-automatic sand filter -> full-automatic carbon filter -> full-automatic water softener -> precision filter -> first desalination device -> ultraviolet sterilizer -> sterile pure water tank -> ultraviolet sterilizer -> ozone generator -> circulating water supply pump -> water use point.

[0100] The full-automatic water softener uses a softening water salt tank, and the precision filter uses a scale inhibitor medicine tank.

[0101] The working principle of the raw water tank is as follows: the raw water tank plays a role in adjusting the water quality and quantity of the water supply system to prevent the instability of the water quantity and quality from affecting the production, and plays a role in precipitating impurities in the incoming water. The raw water tank is provided with high and low water level control devices, and the high and low water level alarm indications can be displayed in the control system.

[0102] The raw water pump, i.e. the raw water booster pump, has the working principle as follows: providing a power source for the normal operation of the pretreatment system. The pump is provided with a high overheat protector and a pressure controller, and automatically alarms in case of failure, and is connected to the raw water tank for interlocking control to realize automatic start and stop when the tank is full or empty.

[0103] The working principle of the full-automatic sand filter is as follows: the sand filter is the first step of pretreatment, and is mainly used to remove colloidal substances, suspended solids, particles, part of macromolecular organic matter and microorganisms. The quartz sand and manganese sand filter material are used to remove the impurities through filtration and stacking, and have good removal effect. The filtration precision is high: the removal rate of suspended substances in water is close to 100%; the colloidal substances and suspended solids, particles and silt are prevented from being blocked; and the macromolecular organic matter and microorganisms are prevented from being blocked.

[0104] The working principle of the full-automatic carbon filter is as follows: the activated carbon is made of wood, coal, coconut shell or petroleum residue and other raw materials, and the non-carbon components in the raw materials are removed through dehydration and carbonization to form a porous carbonized substance. Due to the difference in raw materials and manufacturing methods and the difference in activation temperature, the adsorption of the activated carbon is also different. The activated carbon adsorption method removes the water-soluble or difficult-to-separate organic matter in water by adsorption of the activated carbon. As a water treatment unit, the treatment purposes include removal of BOD, COD and decolorization in water. Generally, after the biological treatment unit, it is used as secondary treatment to remove the organic matter and other pollutants that cannot be decomposed in the biological treatment process. In the application of upstream water treatment, it is mainly used for reducing the residual chlorine in water or other oxidizing agents such as ozone. The adsorption effect is also quite effective in reducing the sludge index (SDI).

[0105] The working principle of the full-automatic water softener is as follows: the softener is one of the important pretreatment devices of the reverse osmosis system. Because the raw water contains Ca2+, Mg2+ and other cations, the compounds Ca(OH)2, Mg(OH)2 and other difficult-to-dissolve substances formed by them are the fundamental cause of water hardness and one of the important reasons for the pollution of the reverse osmosis membrane element. The filler of the softener is strong acid cation exchange resin, which can exchange Ca2+, Mg2+ and other cations in the raw water, so that the difficult-to-dissolve substances are not easily generated, thereby reducing the hardness of the raw water, ensuring the normal operation of the reverse osmosis membrane element, reducing the cleaning frequency and effectively prolonging the service life of the membrane element.

[0106] The scale inhibitor dosing device can include a dosing pump, a medicament and installation accessories.

[0107] The working principle of the scale inhibitor dosing device is as follows: the negatively charged molecular chain in the reverse osmosis scale inhibitor forms a water-soluble complex or chelate with Ca2+, thereby increasing the solubility of inorganic salts and playing a scale inhibition role. Part of the functional groups in the reverse osmosis scale inhibitor molecule occupies a certain position on the inorganic salt crystal nucleus or microcrystal, hinders and destroys the normal growth of the inorganic salt crystal, and slows down the growth rate of the crystal, thereby reducing the formation of salt scale. The dosing pump has constant flow and can be manually adjusted or automatically adjusted. The flow ratio can be adjusted according to an external analog signal or a digital pulse, and four kinds of pulse signal inputs can be selected. The medicament is scale inhibitor CP\ROBYJ886. The installation accessories are SUS316, electrical elements and pressure gauges.

[0108] The working principle of the precision filter is as follows: it prevents the membrane element from being damaged by solid particles during operation and intercepts impurities with a particle diameter greater than 5Em. Such particles may pierce the reverse osmosis membrane assembly after being pressurized by the high-pressure pump, causing a large amount of salt leakage. At the same time, the particles may scratch the impeller of the high-pressure pump.

[0109] The primary desalination device can include a reverse osmosis desalination device. The working principle of the reverse osmosis desalination device is as follows: according to the principle of reverse osmosis, the reverse osmosis membrane is selectively permeable to solvent (usually water) and retains ionic substances. With the static pressure difference on both sides of the membrane as the driving force, the osmotic pressure of the solvent is overcome, and the solvent passes through the reverse osmosis membrane to realize the membrane separation process of the liquid mixture. The use of membrane separation means can remove harmful substances such as particles, colloids, organic impurities, and microorganisms in water, and 99.0% of dissolved salts, achieving the purpose of water desalination and purification. Compared with the traditional ion exchange and distillation technology for producing pure water, the reverse osmosis technology has the advantages of small equipment size, low energy consumption, strong adaptability, no need for acid and alkali regenerants, simple process, easy automation, excellent water quality, stable water quality, no microorganisms, no heavy metal ions, and no organic compounds. It is an environmentally friendly separation technology. Without considering the stability of the water quality, the reverse osmosis system can maintain stable water quality for a long time without consuming any regenerants, which is one of the most important characteristics.

[0110] The working principle of the ultraviolet sterilizer is as follows: the water treatment ultraviolet sterilizer can effectively and quickly sterilize and disinfect water without heating and using chemical agents containing harmful components, and the treated water quality has no odor. It uses 254mm ultraviolet lamp tubes with sterilization effect to radiate and quickly and reliably destroy and eliminate bacteria, viruses and other microorganisms in water.

[0111] The working principle of the sterile pure water tank is as follows: it adjusts the water quantity of the system water supply to prevent the instability of the water quantity and quality from affecting production. The high and low water level control devices in the pure water tank can display high and low water level alarm indications in the control system.

[0112] The working principle of the ozone generator is as follows: ozone is a world-recognized broad-spectrum and high-efficiency sterilization and disinfection agent. Air or oxygen is used as raw material to generate ozone through high-frequency high-voltage discharge. Ozone has an extra active oxygen atom compared with oxygen molecules, and its chemical properties are particularly active, making it a strong oxidizing agent that can quickly kill bacteria in water and air under a certain concentration. It has no toxic residues and does not form secondary pollution, and is known as the cleanest oxidizing agent and disinfectant.

[0113] In the embodiments of the present application, the anti-dandruff and itching-relieving composition prepared by the preparation method of the anti-dandruff and itching-relieving composition can be applied in the field of preparing external skin care preparations.

[0114] Optionally, the anti-dandruff and itching-relieving composition is applied in the preparation of external skin care preparations with anti-dandruff and itching-relieving effects.

[0115] In the embodiments of the present application, the dandruff-removing and itching-relieving composition can be used in external skin care preparations, which can include at least one of the following: shampoo, hair rinse, shower gel, etc., without limitation.

[0116] The above describes the embodiments of the present application in detail, and the principles and implementation manners of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the method of the present application and its core idea; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation manner and application range will be changed, and the above description should not be understood as a limitation on the present application.

Claims

1. A method of making an anti-dandruff, anti-itch composition characterized in that, The preparation method comprises: Put each component in phase A into the main production pot, adjust the rotating speed to 10-12 r / min, and start stirring; phase A comprises: water, cocamidopropyl betaine, sodium lauroyl methyl amino acid, cetyl stearyl alcohol, sodium laureth sulfate, cocamide methyl MEA, and glycerol; Connect the jacket in the main production pot to high-temperature steam, heat the temperature in the main production pot to 75-80 ℃, and keep stirring to uniformly dissolve each component; Pre-treat the cationic conditioner of phase B to obtain the pre-treated phase B; phase B comprises: behenyl trimethyl ammonium chloride, isopropyl alcohol, polyquaternium-22, sodium benzoate, guar hydroxypropyltrimonium chloride, and water; Put the pre-treated phase B components into the main production pot, keep 75-80 ℃ for 10-15 min, and start cooling; Pre-treat the carbomer 980 of phase C to obtain the pre-treated phase C; phase C comprises: carbomer 980 and water; Put the pre-treated carbomer 980 into the main production pot, keep stirring at a rotating speed of 10-15 r / min, and start homogenization, homogenize for 3-5 min at a shearing rate of 1000-1500 r / min, so that the material is fully mixed and uniform; When the temperature in the main production pot is reduced to 45-50 ℃, put each component of phase D into the main production pot, keep stirring at a speed of 10-15 r / min for 10-15 min, and homogenize for 1-2 min at a shearing rate of 1000-1500 r / min, so that each component can be fully mixed and uniform; phase D comprises: PEG-7 glyceryl cocoate, polysiloxane quaternary ammonium salt-18, trideceth-6, deceth-7, dipropylene glycol, PPG-5 cetyl alcohol polyether-20, ethylene glycol distearate, water, laureth-4, cocamidopropyl betaine, and benzoic acid; When the temperature is reduced to 40 ℃ or below, add the components of phase E, keep stirring at a speed of 10-15 r / min for 20-30 min, and make the components of phase E completely dissolved; phase E comprises an anti-dandruff agent; Put each component of phase F into the main production pot, stir at a speed of 10-15 r / min for 10-15 min, so that each component is mixed and dispersed uniformly; phase F comprises: saccharide isomerate, water, citric acid, sodium citrate, phenoxyethanol, benzyl alcohol, benzoic acid, saccharomyces ferment filtrate, houzzu extract, 1,2-hexanediol, p-hydroxyacetophenone, essence, NaCl, and saccharomyces and rice ferment filtrate; Put the components of phase G into the main production pot, adjust the rotating speed to 5-10 r / min, continue stirring for 20-30 min, and filter the material to obtain the anti-dandruff and anti-itching composition; phase G comprises: potassium hydroxide and water.

2. The production method according to claim 1, characterized by, The pre-treatment of the cationic conditioner of phase B to obtain the pre-treated phase B comprises: In the production of the auxiliary pot, first add enough production water in proportion, adjust the stirring speed to 5 r / min, start stirring, and add the guar gum hydroxypropyltrimonium chloride conditioning agent in the B phase into the pot in multiple times, continue to keep stirring for 5-10 min until the guar gum hydroxypropyltrimonium chloride is completely wet on the surface, pause the stirring, and add the remaining components of the B phase into the auxiliary pot at once, increase the speed to 10-12 r / min, start stirring again, and gradually increase the temperature to 75-80℃, stir until the components are completely dissolved and uniform, and keep the temperature not lower than 65℃ for standby.

3. The production method according to claim 1 or 2, characterized by, The C phase is pretreated with carbomer 980 to obtain a pretreated C phase, which comprises: An auxiliary production container is used to disperse the carbomer 980 in 15 parts of 70-80℃ hot water, a blender is used to stir at a stirring speed of 10-15 r / min for 10-20 min to make the carbomer 980 fully wet, the homogenizer is started, the speed is adjusted to 1000-2000 r / min, and the carbomer 980 is completely hydrated through high-speed shearing, at this time, the pre-prepared liquid is a uniform translucent gel, and is ready for use after standing.

4. The production method according to claim 2, characterized by, The production water is obtained by using a membrane separation technology, the conductivity of the production water is ≤5 μS / cm, and the pH value is 5.5-7.

5.

5. The use of the anti-dandruff and itching-relieving composition prepared by the method of any one of claims 1-4 in the preparation of an external skin care preparation.

6. Use according to claim 5, characterized in that, The use of the anti-dandruff and itching-relieving composition in the preparation of an external skin care preparation with the effects of anti-dandruff and itching-relieving. The use of the anti-dandruff and itching-relieving composition in the preparation of an external skin care preparation with the effects of anti-dandruff and itching-relieving.

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