Hair root blackening liquid for turning white hair into black hair and preparation method of hair root blackening liquid

Abstract

The invention discloses a hair root blackening liquid for turning white hair into black hair and a preparation method of the hair root blackening liquid. The preparation method comprises the following steps: S1, preparing an extracting solution, namely respectively extracting mulberry fruits, liquorice, polygonum multiflorum, prepared rehmannia roots, oriental arborvitae, black sesame, eclipta prostrata, dandelion, folium mori, ginseng, ligusticum chuanxiong hort, cortex magnoliae officinalis and cordyceps sinensis by using ultrasonic extraction equipment, quantitatively mixing the obtained extracts, and filtering impurities to obtain the extracting solution. The shampoo has the advantage of promoting hair blackening, and the problems that in the using process of existing shampoo liquid, the effect of promoting generation of melanin in hair is poor, generation of melanin in white hair is insufficient easily, the color of the hair is not obviously changed, and the using effect of the shampoo liquid is reduced are solved.

Description

Technical Field

[0001] The invention relates to the technical field of hair treatment compositions, in particular to a hair root darkening liquid for turning white hair into black hair and a preparation method thereof. Background Art

[0002] A hair root darkening liquid for turning white hair into black hair belongs to a type of hair treatment composition, which refers to a product designed specifically for promoting the production of hair melanin and improving the phenomenon of white hair. Such products usually contain some ingredients that are believed to promote hair health, such as Chinese herbal extracts of Polygonum multiflorum, and other nutrients. The hair treatment composition with Chinese patent application number 201880021603.6 relates to a hair treatment composition that is particularly useful for repairing, strengthening and protecting hair from damage. The hair treatment composition includes at least 0.5% by weight of at least one amino acid or aminosulfonic acid and / or its salt, and optionally, at least 0.5% by weight of at least one non-polymeric monocarboxylic acid, dicarboxylic acid or tricarboxylic acid and / or its salt. Additional components such as surfactants and water may also be included. The unique components of the hair treatment composition restructure the hair fiber and make the hair exhibit improved properties, such as increased hair fiber strength, better neatness and higher curl definition.

[0003] During use, the existing shampoo liquid has a poor effect on promoting the production of melanin in the hair, which easily leads to insufficient melanin production in white hair, no significant change in hair color, and reduced the use effect of the shampoo liquid. Summary of the invention

[0004] The purpose of the present invention is to provide a hair root darkening liquid for turning white hair into black hair and a preparation method thereof, which has the advantage of promoting black hair and solves the problem that the existing shampoo liquid has a poor effect on promoting the production of melanin in hair during use, which easily leads to insufficient melanin production in white hair, no significant change in hair color, and reduced use effect of the shampoo liquid.

[0005] To achieve the above object, the present invention provides the following technical solution: a method for preparing a hair root darkening liquid for turning white hair into black hair, comprising the following steps;

[0006] S1, extract preparation, using ultrasonic extraction equipment to extract mulberry, licorice, Polygonum multiflorum, Rehmannia root, Platycladus orientalis, black sesame, Channa intestine, dandelion, mulberry leaf, ginseng, Chuanxiong, Magnolia officinalis bark and Cordyceps sinensis, and quantitatively mixing the obtained extracts and filtering impurities to obtain extracts;

[0007] S2, mixing the raw materials, firstly introducing water into the mixing device, then sequentially adding the amino acid surfactant, ethanol and the extract, and the stirring structure inside the mixing device uniformly mixes the water, the amino acid surfactant, ethanol and the extract to obtain a mixed solution;

[0008] S3, filtering treatment, pouring the mixed liquid into the filtering equipment, filtering the fine impurities in the mixed liquid through the filter element inside the filtering equipment to ensure the clarity of the liquid medicine;

[0009] S4, disinfection and sterilization, pour the liquid medicine into the sterilization equipment, heat the liquid medicine to 60-85℃, keep it for 15-30 minutes, and remove the bacteria in the liquid medicine;

[0010] S5, filling process, pouring the sterilized liquid medicine into the filling equipment, the filling equipment pours a fixed amount of liquid medicine into a sterile container, and seals the filled container for storage, thereby obtaining the hair root darkening liquid that can turn gray hair into black hair.

[0011] As a preferred method for preparing a hair root darkening liquid for turning gray hair into black hair according to the present invention, the ultrasonic extraction equipment includes an extraction tank, a raw material storage mechanism, an impurity removal mechanism and a stirring mechanism. The raw material storage mechanism is installed at the top of the inner cavity of the extraction tank to store the raw materials that need to be prepared in advance. The impurity removal mechanism is fixedly installed at the bottom of the extraction tank and is connected thereto to filter large particles of impurities in the extract. The stirring mechanism is fixedly installed at the bottom of the impurity removal mechanism to evenly mix the multiple filtered extracts.

[0012] As a preferred method for preparing hair root darkening liquid for turning white hair into black hair according to the present invention, the extraction tank includes a tank body, a feeding pipe is connected to the left side of the top of the tank body, a cylinder is fixedly connected to the right side of the top of the tank body, a piston rod of the cylinder is fixedly connected to a pressing rod, the bottom of the pressing rod extends to the top of the inner cavity of the tank body, and a controller and an ultrasonic generator are fixedly installed on the left side of the tank body.

[0013] As a preferred method for preparing hair root darkening liquid for turning gray hair into black hair according to the present invention, a three-way valve is connected to the right side of the tank body, a first liquid inlet end of the three-way valve is connected to an extraction liquid, a second liquid inlet end of the three-way valve is connected to a cleaning liquid, a liquid outlet end of the three-way valve passes through an inner cavity of the tank body, and a plurality of transducers are fixedly mounted on the bottom of the tank body, and the transducers are distributed around the bottom of the tank body.

[0014] As a preferred method for preparing hair root darkening liquid for turning white hair into black hair according to the present invention, the bottom of the tank body is rotatably connected to a driven rotating rod, the surface of the driven rotating rod is fixedly connected to a stirring rod, the stirring rod is movably connected to the inner wall of the tank body, the top of the stirring rod is fixedly connected to a rotating platform, the top of the rotating platform is fixedly connected to a gear ring, and the surface of the rotating platform is rotatably connected to the inner wall of the tank body.

[0015] As a preferred method for preparing hair root darkening liquid for turning white hair into black hair according to the present invention, the raw material storage mechanism includes a servo motor, the servo motor is fixedly installed at the center of the top of the tank body, the output shaft of the servo motor passes through the inner cavity of the tank body and is fixedly connected to a flip rod, the left and right sides of the flip rod are fixedly connected to a connecting frame, the interior of the connecting frame is fixedly connected to a sliding rod, the surface movable sleeve of the sliding rod is provided with a spring and a lifting sleeve, the lifting sleeve is located on the top of the spring, one end of the lifting sleeve extends to the outside of the connecting frame, and the connecting frame is provided with a sliding hole used in conjunction with the lifting sleeve.

[0016] As a preferred method for preparing hair root darkening liquid for turning white hair into black hair according to the present invention, the lifting sleeve is movably connected to an extraction net cylinder inside, a gear is fixedly connected to the bottom of the extraction net cylinder, the gear is used in conjunction with a gear ring, the extraction net cylinder is located at the bottom of the feeding pipe and the lower pressure rod, and the front and rear sides of the top of the tank body are provided with removal holes used in conjunction with the extraction net cylinder.

[0017] As a preferred method for preparing hair root darkening liquid for turning gray hair into black hair according to the present invention, the impurity removal mechanism includes a support tube, the support tube is fixedly connected to the bottom of the tank body, the left and right sides of the support tube are fixedly connected with curved pipes, the top of the curved pipe passes through the bottom of the inner cavity of the tank body, the liquid outlet end of the curved pipe is connected to an annular box, the annular box is sleeved on the surface of the support tube, a detachable annular filter frame is installed in the inner cavity of the annular box, and the top of the annular box is fixedly connected to an annular cover by bolts.

[0018] As a preferred method for preparing hair root darkening liquid for turning white hair into black hair according to the present invention, the stirring mechanism includes a stirring box, the top of the stirring box is fixedly connected to the bottom of the supporting tube and the annular box, the annular box is communicated with the stirring box, the bottom of the stirring box is fixedly connected to a reduction motor, the output shaft of the reduction motor passes through the inner cavity of the stirring box and is fixedly connected to an active rotating rod, the top of the active rotating rod extends to the top of the stirring box and is fixedly connected to the bottom of the driven rotating rod, the left and right sides of the active rotating rod are fixedly connected to stirring frames, and the bottom of the right side of the stirring box is connected to a liquid outlet pipe.

[0019] A hair root darkening liquid for turning white hair into black hair, comprising the following raw materials in weight fractions:

[0020] 10 parts of amino acid surfactant;

[0021] 25 parts water;

[0022] 5 parts ethanol;

[0023] 60 extracts;

[0024] The extract is a mixture of 5 parts of mulberry fruit extract, 3 parts of licorice extract, 8 parts of Polygonum multiflorum root extract, 5 parts of Rehmannia glutinosa extract, 4 parts of Platycladus orientalis extract, 6 parts of black sesame extract, 3 parts of Channa intestine extract, 4 parts of dandelion extract, 5 parts of mulberry leaf extract, 6 parts of ginseng extract, 4 parts of Chuanxiong extract, 4 parts of Magnolia officinalis bark extract and 3 parts of Cordyceps sinensis extract.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The present invention can significantly improve the extraction efficiency by using ultrasonic extraction equipment, accelerate the rupture of plant cell walls, and release the active ingredients more effectively, which ensures the content and purity of the active ingredients in the extract, and quantitatively mixes the extract to ensure the precise proportion of each ingredient, thereby ensuring the stability and consistency of the final product. Water, amino acid surfactant, ethanol and extract are added to the mixing device in sequence, and are evenly mixed through the internal stirring structure, which ensures that all ingredients are fully integrated and improves the stability and use effect of the medicinal solution.

[0027] 2. The present invention filters the fine impurities in the mixed liquid through the filter element inside the filtering equipment to ensure the clarity of the medicinal liquid, which not only improves the sensory quality of the medicinal liquid, but also reduces the clogging problems that may occur during use. The medicinal liquid is heated to 60-85°C and maintained for 15-30 minutes to effectively remove bacteria in the medicinal liquid. This step ensures the sterility of the medicinal liquid and avoids microbial contamination. A filling device is used to fill a certain amount of medicinal liquid into a sterile container, which is sealed and stored, which ensures that the amount of medicinal liquid in each container is consistent, avoids air and microbial contamination, and ensures the quality and stability of the product.

[0028] 3. The present invention promotes the production of hair melanin and improves gray hair through the combined action of Polygonum multiflorum root extract, Rehmannia glutinosa extract and mulberry fruit extract. Licorice extract, Platycladus orientalis extract, dandelion extract and Chuanxiong extract have anti-inflammatory, antibacterial and antifungal effects, improve the scalp environment and reduce scalp problems. Black sesame extract, ginseng extract, mulberry leaf extract and Cordyceps sinensis extract provide rich nutrition, nourish hair and increase the luster and elasticity of hair. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the preparation process of the present invention;

[0030] Figure 2 It is a schematic cross-sectional structure diagram of the ultrasonic extraction device of the present invention;

[0031] Figure 3 It is a schematic cross-sectional structural diagram of the extraction tank of the present invention;

[0032] Figure 4It is a cross-sectional structural schematic diagram of the raw material storage mechanism of the present invention;

[0033] Figure 5 It is a cross-sectional structural schematic diagram of the impurity removal mechanism of the present invention;

[0034] Figure 6 It is a schematic cross-sectional structural diagram of the stirring mechanism of the present invention.

[0035] In the figure: 1. extraction tank; 101. tank body; 102. pressing rod; 103. cylinder; 104. feeding pipe; 105. controller; 106. ultrasonic generator; 107. rotating platform; 108. stirring rod; 109. driven rotating rod; 110. transducer; 111. gear ring; 112. three-way valve; 2. raw material storage mechanism; 201. servo motor; 202. flip rod; 203. spring; 204. slide rod; 205. gear; 206. extraction net cylinder; 207. lifting sleeve; 208. connecting frame; 3. impurity removal mechanism; 301. support cylinder; 302. elbow; 303. annular box; 304. annular filter frame; 305. annular cover; 4. stirring mechanism; 401. stirring box; 402. reduction motor; 403. active rotating rod; 404. stirring frame; 405. liquid outlet pipe. DETAILED DESCRIPTION

[0036] Example 1

[0037] See also Figure 1-Figure 6 , a method for preparing a hair root darkening liquid for turning white hair into black hair, comprising the following steps;

[0038] S1, extract preparation, using ultrasonic extraction equipment to extract mulberry, licorice, Polygonum multiflorum, Rehmannia root, Platycladus orientalis, black sesame, Channa intestine, dandelion, mulberry leaf, ginseng, Chuanxiong, Magnolia officinalis bark and Cordyceps sinensis, and quantitatively mixing the obtained extracts and filtering impurities to obtain extracts;

[0039] S2, mixing the raw materials, firstly introducing water into the mixing device, then sequentially adding the amino acid surfactant, ethanol and the extract, and the stirring structure inside the mixing device uniformly mixes the water, the amino acid surfactant, ethanol and the extract to obtain a mixed solution;

[0040] S3, filtering treatment, pouring the mixed liquid into the filtering equipment, filtering the fine impurities in the mixed liquid through the filter element inside the filtering equipment to ensure the clarity of the liquid medicine;

[0041] S4, disinfection and sterilization, pour the liquid medicine into the sterilization equipment, heat the liquid medicine to 60-85℃, keep it for 15-30 minutes, and remove the bacteria in the liquid medicine;

[0042] S5, filling process, pouring the sterilized liquid medicine into the filling equipment, the filling equipment pours a fixed amount of liquid medicine into a sterile container, and seals the filled container for storage, thereby obtaining the hair root darkening liquid that can turn gray hair into black hair.

[0043] By using ultrasonic extraction equipment, the extraction efficiency can be significantly improved, the rupture of plant cell walls can be accelerated, and the active ingredients can be released more effectively, which ensures the content and purity of the active ingredients in the extract. The extract is quantitatively mixed to ensure the precise proportion of each ingredient, thereby ensuring the stability and consistency of the final product. Water, amino acid surfactant, ethanol and extract are added to the mixing equipment in turn and evenly mixed through the internal stirring structure, which ensures that all ingredients are fully integrated and improves the stability and use effect of the medicine.

[0044] The fine impurities in the mixed liquid are filtered through the filter element inside the filtering equipment to ensure the clarity of the medicine liquid, which not only improves the sensory quality of the medicine liquid, but also reduces the blockage problems that may occur during use. The medicine liquid is heated to 60-85℃ and kept for 15-30 minutes to effectively remove the bacteria in the medicine liquid. This step ensures the sterility of the medicine liquid and avoids microbial contamination. The quantitative medicine liquid is poured into a sterile container using a filling equipment and sealed for storage. This ensures the consistency of the amount of medicine liquid in each container, avoids air and microbial contamination, and ensures the quality and stability of the product.

[0045] Furthermore, the ultrasonic extraction equipment includes an extraction tank 1, a raw material storage mechanism 2, an impurity removal mechanism 3 and a stirring mechanism 4. The raw material storage mechanism 2 is installed at the top of the inner cavity of the extraction tank 1 to store the raw materials that need to be prepared in advance. The impurity removal mechanism 3 is fixedly installed at the bottom of the extraction tank 1 and is connected thereto to filter large particles of impurities in the extract. The stirring mechanism 4 is fixedly installed at the bottom of the impurity removal mechanism 3 to evenly mix the various filtered extracts.

[0046] The extraction tank 1 includes a tank body 101, a feeding pipe 104 is connected to the left side of the top of the tank body 101, a cylinder 103 is fixedly connected to the right side of the top of the tank body 101, the piston rod of the cylinder 103 is fixedly connected to the pressing rod 102, the bottom of the pressing rod 102 extends to the top of the inner cavity of the tank body 101, and a controller 105 and an ultrasonic generator 106 are fixedly installed on the left side of the tank body 101.

[0047] The right side of the tank body 101 is connected to a three-way valve 112, a first liquid inlet end of the three-way valve 112 is connected to the extraction liquid, a second liquid inlet end of the three-way valve 112 is connected to the cleaning liquid, and a liquid outlet end of the three-way valve 112 passes through the inner cavity of the tank body 101. A plurality of transducers 110 are fixedly installed at the bottom of the tank body 101, and the transducers 110 are distributed around the bottom of the tank body 101.

[0048] A driven rotating rod 109 is rotatably connected to the bottom of the tank body 101, a stirring rod 108 is fixedly connected to the surface of the driven rotating rod 109, the stirring rod 108 is movably connected to the inner wall of the tank body 101, a rotating platform 107 is fixedly connected to the top of the stirring rod 108, a gear ring 111 is fixedly connected to the top of the rotating platform 107, and the surface of the rotating platform 107 is rotatably connected to the inner wall of the tank body 101.

[0049] The raw material storage mechanism 2 includes a servo motor 201, which is fixedly installed at the center of the top of the tank body 101. The output shaft of the servo motor 201 passes through the inner cavity of the tank body 101 and is fixedly connected to a flip rod 202. The left and right sides of the flip rod 202 are fixedly connected to a connecting frame 208. The inside of the connecting frame 208 is fixedly connected to a slide rod 204. The surface movable sleeve of the slide rod 204 is provided with a spring 203 and a lifting sleeve 207. The lifting sleeve 207 is located at the top of the spring 203. One end of the lifting sleeve 207 extends to the outside of the connecting frame 208. The connecting frame 208 is provided with a sliding hole used in conjunction with the lifting sleeve 207.

[0050] The lifting sleeve 207 is internally movably connected to an extraction net cylinder 206, and a gear 205 is fixedly connected to the bottom of the extraction net cylinder 206. The gear 205 is used in conjunction with the gear ring 111. The extraction net cylinder 206 is located at the bottom of the feeding pipe 104 and the lower pressure rod 102, and the front and rear sides of the top of the tank body 101 are provided with removal holes used in conjunction with the extraction net cylinder 206.

[0051] The impurity removal mechanism 3 includes a support tube 301, which is fixedly connected to the bottom of the tank body 101. The left and right sides of the support tube 301 are fixedly connected with curved pipes 302. The top of the curved pipe 302 penetrates to the bottom of the inner cavity of the tank body 101. The liquid outlet end of the curved pipe 302 is connected to an annular box 303. The annular box 303 is sleeved on the surface of the support tube 301. A detachable annular filter frame 304 is installed in the inner cavity of the annular box 303. The top of the annular box 303 is fixedly connected with an annular cover 305 by bolts.

[0052] The stirring mechanism 4 includes a stirring box 401, the top of which is fixedly connected to the bottom of the support tube 301 and the annular box 303, the annular box 303 is communicated with the stirring box 401, the bottom of the stirring box 401 is fixedly connected to a reduction motor 402, the output shaft of the reduction motor 402 passes through the inner cavity of the stirring box 401 and is fixedly connected to an active rotating rod 403, the top of the active rotating rod 403 extends to the top of the stirring box 401 and is fixedly connected to the bottom of the driven rotating rod 109, the left and right sides of the active rotating rod 403 are fixedly connected to stirring frames 404, and the bottom of the right side of the stirring box 401 is connected to a liquid outlet pipe 405.

[0053] Control valves are installed at the liquid inlet ends of the curved pipe 302 and the liquid outlet pipe 405 .

[0054] A certain amount of extracting liquid is added to the tank 101 through the three-way valve 112 in advance. During the operation of the ultrasonic extraction device, the extraction net cylinder 206 is inserted into the lifting sleeve 207 through the extraction hole to install it. After the installation is completed, the servo motor 201 drives the two extraction net cylinders 206 to rotate and move the extraction net cylinder 206 to the bottom of the feeding pipe 104 and the lower pressure rod 102;

[0055] After the installation is completed, the plant material to be extracted is fed into the top of the inner cavity of the tank body 101 through the feeding pipe 104. At this time, the extraction net cylinder 206 on the left collects the raw materials, and the servo motor 201 is started to drive the flip rod 202 to rotate, so that the extraction net cylinder 206 after feeding is rotated to the bottom of the pressing rod 102, and the piston rod of the cylinder 103 pushes the pressing rod 102 to move downward, compacting the plant material in the extraction net cylinder 206 to ensure that the plant material is fully in contact with the solvent, and in the process of pressing down, the extraction net cylinder 206 and the lifting sleeve 207 on the right are synchronously driven to move downward, and the lifting sleeve 207 slides on the surface of the sliding rod 204 and compresses the spring 203, so that the extraction net cylinder 206 on the right is in contact with the extracting liquid inside the tank body 101, and the gear 205 at the bottom of the extraction net cylinder 206 enters the inner cavity of the gear ring 111 and meshes with it;

[0056] The controller 105 controls the ultrasonic generator 106 to start, generate a high-frequency electrical signal, and the transducer 110 converts the electrical energy into mechanical energy, generates ultrasonic vibration, and transmits it to the solution in the tank 101, generates a cavitation effect, accelerates the rupture of the plant cell wall, and releases the active ingredients;

[0057] During the ultrasonic extraction process, the top of the active rotating rod 403 is fixedly connected to the bottom of the driven rotating rod 109, and the stirring rod 108, the rotating platform 107 and the gear ring 111 on the driven rotating rod 109 also rotate synchronously. The gear ring 111 drives the gear 205 and the extraction net cylinder 206 to rotate. The extraction net cylinder 206 rotates inside the lifting sleeve 207 to increase the contact effect between the raw material and the extract. The stirring rod 108 stirs the extract to make it flow, further increasing the extraction effect. After the extraction is completed, the extract is discharged through the bend 302, and the discharged extract enters the annular box 303. The annular filter frame 304 filters the large particles of impurities in the extract to ensure the purity of the extract. The annular cover 305 is fixed to the top of the annular box 303 by bolts to ensure the sealing of the filtration process.

[0058] When the extraction of one material is completed, the extraction net cylinder 206 and the raw materials therein are taken out, and another raw material is extracted. The extracted liquid obtained after the extraction is also discharged into the annular filter frame 304 for filtration, and then multiple modes of extraction are performed on multiple different materials in turn to ensure the best extraction effect of each raw material;

[0059] The filtered extract enters the stirring box 401, and the reduction motor 402 drives the active rotating rod 403 and the stirring frame 404 to rotate to stir and mix the extract to ensure that the various extracts are fully mixed. The evenly stirred extract is discharged through the liquid outlet pipe 405 and enters the next step of processing;

[0060] When cleaning and maintenance are required, cleaning liquid is injected through the second liquid inlet end of the three-way valve 112 to clean the tank body 101, and the waste liquid after cleaning is discharged through the liquid outlet pipe 405 to ensure the cleanliness of the equipment.

[0061] Example 2

[0062] A hair root darkening liquid for turning white hair into black hair, comprising the following raw materials in weight fractions:

[0063] 10 parts of amino acid surfactant;

[0064] 25 parts water;

[0065] 5 parts ethanol;

[0066] 60 extracts;

[0067] The extract is a mixture of 5 parts of mulberry fruit extract, 3 parts of licorice extract, 8 parts of Polygonum multiflorum root extract, 5 parts of Rehmannia glutinosa extract, 4 parts of Platycladus orientalis extract, 6 parts of black sesame extract, 3 parts of Channa intestine extract, 4 parts of dandelion extract, 5 parts of mulberry leaf extract, 6 parts of ginseng extract, 4 parts of Chuanxiong extract, 4 parts of Magnolia officinalis bark extract and 3 parts of Cordyceps sinensis extract.

[0068] The combined effects of Polygonum multiflorum root extract, Rehmannia glutinosa extract and mulberry fruit extract promote the production of hair melanin and improve gray hair. Licorice extract, Platycladus orientalis extract, dandelion extract and Chuanxiong extract have anti-inflammatory, antibacterial and antifungal effects, improve the scalp environment and reduce scalp problems. Black sesame extract, ginseng extract, mulberry leaf extract and Cordyceps sinensis extract provide rich nutrition, nourish hair and increase its luster and elasticity.

[0069] Amino acid surfactants provide a mild cleansing effect and reduce irritation to the scalp. The combination of water and ethanol provides the necessary moisture and astringency to keep the scalp and hair hydrated.

[0070] The antioxidant ingredients of mulberry fruit extract and black sesame extract protect hair from free radical damage and delay hair aging. Through the synergistic effect of multiple plant extracts, they increase the gloss and elasticity of hair, making hair look healthier and more beautiful.

[0071] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for preparing a hair root darkening liquid for turning white hair into black hair, characterized in that: The steps include: S1, extract preparation, using ultrasonic extraction equipment to extract mulberry, licorice, Polygonum multiflorum, Rehmannia root, Platycladus orientalis, black sesame, Channa intestine, dandelion, mulberry leaf, ginseng, Chuanxiong, Magnolia officinalis bark and Cordyceps sinensis, and quantitatively mixing the obtained extracts and filtering impurities to obtain extracts; S2, mixing the raw materials, firstly introducing water into the mixing device, then sequentially adding the amino acid surfactant, ethanol and the extract, and the stirring structure inside the mixing device uniformly mixes the water, the amino acid surfactant, ethanol and the extract to obtain a mixed solution; S3, filtering treatment, pouring the mixed liquid into the filtering equipment, filtering the fine impurities in the mixed liquid through the filter element inside the filtering equipment to ensure the clarity of the liquid medicine; S4, disinfection and sterilization, pour the liquid medicine into the sterilization equipment, heat the liquid medicine to 60-85℃, keep it for 15-30 minutes, and remove the bacteria in the liquid medicine; S5, filling process, pouring the sterilized liquid medicine into the filling equipment, the filling equipment pours a fixed amount of liquid medicine into a sterile container, and seals the filled container for storage, thereby obtaining the hair root darkening liquid that can turn gray hair into black hair.

2. The method for preparing a hair root darkening liquid for turning white hair into black hair according to claim 1, characterized in that: The ultrasonic extraction device comprises an extraction tank (1), a raw material storage mechanism (2), an impurity removal mechanism (3) and a stirring mechanism (4); the raw material storage mechanism (2) is installed at the top of the inner cavity of the extraction tank (1) to store the raw materials that need to be prepared in advance; the impurity removal mechanism (3) is fixedly installed at the bottom of the extraction tank (1) and is connected thereto to filter large particles of impurities in the extract; the stirring mechanism (4) is fixedly installed at the bottom of the impurity removal mechanism (3) to evenly mix the filtered multiple extracts.

3. The method for preparing a hair root darkening liquid for turning white hair into black hair according to claim 2, characterized in that: The extraction tank (1) comprises a tank body (101), the top left side of the tank body (101) is connected to a feeding pipe (104), the top right side of the tank body (101) is fixedly connected to a cylinder (103), the piston rod of the cylinder (103) is fixedly connected to a pressing rod (102), the bottom of the pressing rod (102) extends to the top of the inner cavity of the tank body (101), and the left side of the tank body (101) is respectively fixedly installed with a controller (105) and an ultrasonic generator (106).

4. The method for preparing a hair root darkening liquid for turning white hair into black hair according to claim 3, characterized in that: The right side of the tank body (101) is connected to a three-way valve (112); a first liquid inlet end of the three-way valve (112) is connected to an extraction liquid; a second liquid inlet end of the three-way valve (112) is connected to a cleaning liquid; a liquid outlet end of the three-way valve (112) passes through the inner cavity of the tank body (101); a plurality of transducers (110) are fixedly mounted on the bottom of the tank body (101); the transducers (110) are distributed around the bottom of the tank body (101).

5. The method for preparing a hair root darkening liquid for turning white hair into black hair according to claim 4, characterized in that: The bottom of the tank body (101) is rotatably connected to a driven rotating rod (109); the surface of the driven rotating rod (109) is fixedly connected to a stirring rod (108); the stirring rod (108) is movably connected to the inner wall of the tank body (101); the top of the stirring rod (108) is fixedly connected to a rotating platform (107); the top of the rotating platform (107) is fixedly connected to a gear ring (111); and the surface of the rotating platform (107) is rotatably connected to the inner wall of the tank body (101).

6. The method for preparing a hair root darkening liquid for turning white hair into black hair according to claim 5, characterized in that: The raw material storage mechanism (2) comprises a servo motor (201), the servo motor (201) is fixedly installed at the center of the top of the tank body (101), the output shaft of the servo motor (201) passes through the inner cavity of the tank body (101) and is fixedly connected to a flip rod (202), the left and right sides of the flip rod (202) are fixedly connected to a connecting frame (208), the interior of the connecting frame (208) is fixedly connected to a sliding rod (204), the surface movable sleeve of the sliding rod (204) is provided with a spring (203) and a lifting sleeve (207), the lifting sleeve (207) is located on the top of the spring (203), one end of the lifting sleeve (207) extends to the outside of the connecting frame (208), and the connecting frame (208) is provided with a sliding hole for use with the lifting sleeve (207).

7. The method for preparing a hair root darkening liquid for turning white hair into black hair according to claim 6, characterized in that: The lifting sleeve (207) is internally movably connected to an extraction net cylinder (206), and a gear (205) is fixedly connected to the bottom of the extraction net cylinder (206). The gear (205) is used in conjunction with a gear ring (111). The extraction net cylinder (206) is located at the bottom of the feeding pipe (104) and the lower pressure rod (102), and the front and rear sides of the top of the tank body (101) are provided with removal holes for use in conjunction with the extraction net cylinder (206).

8. The method for preparing a hair root darkening liquid for turning white hair into black hair according to claim 7, characterized in that: The impurity removal mechanism (3) comprises a support tube (301), the support tube (301) is fixedly connected to the bottom of the tank body (101), the left and right sides of the support tube (301) are fixedly connected with curved pipes (302), the top of the curved pipe (302) penetrates to the bottom of the inner cavity of the tank body (101), the liquid outlet end of the curved pipe (302) is connected to an annular box (303), the annular box (303) is sleeved on the surface of the support tube (301), a detachable annular filter frame (304) is installed in the inner cavity of the annular box (303), and the top of the annular box (303) is fixedly connected with an annular cover (305) by bolts.

9. The method for preparing a hair root darkening liquid for turning white hair into black hair according to claim 8, characterized in that: The stirring mechanism (4) comprises a stirring box (401), the top of the stirring box (401) is fixedly connected to the bottom of the support cylinder (301) and the annular box (303), the annular box (303) is communicated with the stirring box (401), the bottom of the stirring box (401) is fixedly connected to a reduction motor (402), the output shaft of the reduction motor (402) passes through the inner cavity of the stirring box (401) and is fixedly connected to an active rotating rod (403), the top of the active rotating rod (403) extends to the top of the stirring box (401) and is fixedly connected to the bottom of the driven rotating rod (109), the left and right sides of the active rotating rod (403) are fixedly connected to stirring frames (404), and the bottom of the right side of the stirring box (401) is communicated with a liquid outlet pipe (405).

10. A hair root darkening liquid for turning white hair into black hair, applicable to the preparation method of a hair root darkening liquid for turning white hair into black hair according to claim 9, characterized in that: The following raw materials are included in weight fractions: 10 parts of amino acid surfactant; 25 parts water; 5 parts ethanol; 60 extracts; The extract is a mixture of 5 parts of mulberry fruit extract, 3 parts of licorice extract, 8 parts of Polygonum multiflorum root extract, 5 parts of Rehmannia glutinosa extract, 4 parts of Platycladus orientalis extract, 6 parts of black sesame extract, 3 parts of Channa intestine extract, 4 parts of dandelion extract, 5 parts of mulberry leaf extract, 6 parts of ginseng extract, 4 parts of Chuanxiong extract, 4 parts of Magnolia officinalis bark extract and 3 parts of Cordyceps sinensis extract.

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