SOD (superoxide dismutase) for promoting growth and repairing hair roots and preparation method thereof

Abstract

The invention relates to the technical field of hair care, and discloses SOD (superoxide dismutase) for promoting hair growth and repairing hair roots, which is prepared from the following ingredients in parts by weight: 50 to 60 parts of deionized water, 3 to 6 parts of glycerol, 2 to 3 parts of isohexadecane, 1 to 2 parts of fructus hippophae oil, 4 to 8 parts of plant extracts, 0.2 to 0.5 part of tocopheryl acetate, 0.1 to 0.3 part of SOD (superoxide dismutase), 2.5 to 5 parts of stabilizing agents and 0.3 to 0.7 part of spices. The glycerol and the isohexadecane in the hair conditioner can effectively absorb moisture and keep moisture in hair and hair roots; the hippophae rhamnoides fruit oil is rich in various vitamins and unsaturated fatty acids, and can repair damaged hair; the folium artemisiae argyi extract, the licorice root extract, the scutellaria baicalensis root extract, the salvia miltiorrhiza extract and the radix saposhnikoviae root extract have the effects of resisting inflammation and allergy, promoting blood circulation and enhancing local immunity; the tocopheryl acetate can help neutralize free radicals and slow down the aging process of hair and scalp; superoxide dismutase (SOD) can effectively remove superoxide free radicals in the body and protect cells from oxidative damage.

Description

Technical Field

[0001] The invention relates to the technical field of hair care, in particular to a SOD capable of promoting hair growth and repairing hair roots and a preparation method thereof. Background Art

[0002] Hair loss refers to the state where there is no hair or less hair in the area where hair should be. It is also classified as a progressive disease caused by the failure of the nutritional supply and metabolism required for hair growth to proceed smoothly. With the accelerated pace of life and increased work pressure, more and more people are troubled by hair loss.

[0003] There are many hair growth agents on the market, including chemical hair growth agents and Chinese herbal hair growth agents. The safety of chemical hair growth agents is questionable, and there are many types of Chinese herbal hair growth agents with different effects. In addition, current hair growth agents are usually lotions or ointments, which are inconvenient to use, and the active ingredients stay in the affected area for a short time, and the actual therapeutic effect is not significant, which brings difficulties to the treatment of patients.

[0004] A Chinese patent discloses an essence spray for promoting hair growth and repairing hair roots and its preparation method (authorization announcement number CN115944571B). The patented technology is provided in two components: solution and freeze-dried powder. The active ingredients of SOD superoxide dismutase and recombinant collagen are provided in the form of freeze-dried products, which not only maintain their biological activity for a long time, but also can synergistically exert the effects of each active ingredient after compounding; among them, SOD superoxide dismutase has super strong antioxidant properties, effectively removes toxins and free radicals in the body, restores the vitality of damaged cells, and promotes hair growth. It improves blood circulation in the scalp, improves hair quality, and makes hair regenerate faster and become blacker and brighter; recombinant collagen has strong permeability to the scalp, can participate in improving the metabolism of skin cells, can stimulate the differentiation of hair follicle stem cells, increase the number of hair follicles, and stimulate the transformation of hair follicles from the resting phase to the growth phase, thereby preventing hair loss; collagen can effectively improve problems such as hair loss and gray hair, and protein supplements the hair core, making the hair stronger and preventing hair from drying and breaking; due to the synergistic effect of SOD superoxide dismutase and recombinant collagen components, it is more effective in repairing and nourishing hair roots, strengthening hair roots, and preventing hair loss. In addition, Japanese Swertia japonica extract promotes hair growth by expanding peripheral blood vessels, promoting blood circulation, and increasing skin temperature; tea polyphenols in green tea extract can significantly reduce cyclophosphamide-induced hair loss and promote hair regeneration. The preferred multi-component synergistic effect of the present invention has significant effects on preventing hair loss and hair care, while avoiding the irritation caused by traditional chemical hair growth agents;

[0005] However, it has certain drawbacks: it mainly focuses on promoting scalp blood circulation and scavenging free radicals, and cannot comprehensively improve the health of hair and scalp from multiple aspects, especially it cannot effectively solve hair problems caused by multiple factors such as water loss, allergies, scalp inflammation, etc., and fails to fully consider the comprehensive impact of these multiple factors on hair; therefore, for complicated hair loss caused by lifestyle habits or external environmental factors, the single blood circulation and free radical scavenging method is not enough to play a significant role, so its applicability and efficacy are limited, or even poor. Summary of the invention

[0006] The purpose of the present invention is to provide a SOD for promoting hair growth and repairing hair roots and a preparation method thereof, so as to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A SOD for promoting hair growth and repairing hair roots, comprising the following components by weight:

[0009] 50-60 parts of deionized water, 3-6 parts of glycerin, 2-3 parts of isohexadecane, 1-2 parts of sea buckthorn fruit oil, 4-8 parts of plant extract, 0.2-0.5 parts of tocopherol acetate, 0.1-0.3 parts of superoxide dismutase (SOD), 2.5-5 parts of stabilizer and 0.3-0.7 parts of fragrance.

[0010] As a further solution of the present invention: the activity of the superoxide dismutase (SOD) is not less than 5000 U / mg, and the purity of the superoxide dismutase (SOD) is not less than 90%.

[0011] As a further embodiment of the present invention: the plant extract is composed of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract, wherein the mass ratio of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract is 2-3:3:1-2:1-2:1-2.

[0012] As a further scheme of the present invention: the stabilizer is composed of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80, wherein the mass ratio of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80 is 1:1:1:1-2.

[0013] As a further solution of the present invention: the fragrance consists of menthol, borneol and p-hydroxyacetophenone, wherein the mass ratio of menthol, borneol and p-hydroxyacetophenone is 1.5-2:1.5-2:1.

[0014] The present invention also discloses a method for preparing SOD for promoting hair growth and repairing hair roots, comprising the following steps:

[0015] S1. Add deionized water, glycerin, isohexadecane, sea buckthorn fruit oil, plant extract, tocopherol acetate, stabilizer and spices into a mixing tank, turn on the stirrer, and stir evenly at a certain temperature;

[0016] S2. Slowly add superoxide dismutase (SOD) into the mixing tank and continue stirring to ensure that SOD is fully dissolved;

[0017] S3, using a pH regulator to adjust the pH of the above solution to 6.5-7.5;

[0018] S4, heating the solution in the stirring tank to a certain temperature, keeping the temperature constant, and continuing stirring for a certain period of time to ensure that the components are fully mixed;

[0019] S5, homogenizing the solution in the stirring tank by a high-pressure homogenizer, homogenizing once;

[0020] S6. Cool the homogenized solution to room temperature and continue stirring to ensure a uniform solution;

[0021] S7. Fill the prepared SOD for promoting hair growth and repairing hair roots into a sterile bottle and seal it.

[0022] As a further solution of the present invention: the certain temperature in S1 is 20-25° C.; the stirring speed in S2 is 300-500 rpm, and the stirring time is 30 min.

[0023] As a further solution of the present invention: the pH regulator in S3 is sodium hydroxide or hydrochloric acid; the certain temperature in S4 is 40-50° C., and the certain time is 30 minutes.

[0024] As a further solution of the present invention: the homogenizing pressure of the high pressure homogenizer in S5 is 100-150 bar.

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

[0026] The glycerin and isohexadecane in the present invention can effectively absorb moisture and retain moisture in the hair and hair roots, prevent moisture loss, and improve the softness and glossiness of the hair. They help maintain the hydration of the scalp and hair roots, prevent dry and brittle hair, and thus reduce the problem of hair loss caused by lack of moisture. Maintaining a moist state for a long time can make the hair roots healthier and promote the growth of hair roots;

[0027] Seabuckthorn oil is rich in vitamins (such as vitamin C, E and A) and unsaturated fatty acids, which can deeply nourish the hair roots and repair damaged hair. It can significantly enhance the antioxidant capacity of hair, effectively reduce the damage to hair caused by external factors such as environmental pollution and ultraviolet rays, and promote the regeneration of healthy hair. In addition, seabuckthorn oil can enhance the toughness of hair and reduce hair breakage and hair loss.

[0028] Artemisia argyi extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and saposhnikovia root extract are rich in natural active ingredients, which have anti-inflammatory, anti-allergic, blood circulation promoting and local immunity enhancing effects. They can reduce scalp inflammation, stimulate blood supply to hair follicles, help hair roots absorb more nutrients, and thus promote scalp health.

[0029] Tocopheryl acetate helps neutralize free radicals and slows down the aging process of the hair and scalp, thereby delaying hair loss and promoting healthy hair growth;

[0030] Superoxide dismutase (SOD) can effectively remove superoxide free radicals in the body and protect cells from oxidative damage. It can directly act on hair follicles to promote healthy growth and repair of hair.

[0031] In summary, the present invention has a comprehensive effect on the health of hair and scalp through multiple mechanisms such as moisturizing, nourishing, repairing, anti-oxidation, and promoting blood circulation. It can not only effectively repair damaged hair and slow down the aging process, but also enhance the nutrient absorption capacity of hair follicles, improve the scalp environment, fundamentally promote the growth of healthy hair and reduce hair loss, and has a therapeutic effect that is superior to existing products. DETAILED DESCRIPTION

[0032] Embodiment 1

[0033] A SOD for promoting hair growth and repairing hair roots, comprising the following components by weight:

[0034] 50 parts of deionized water, 3 parts of glycerin, 2 parts of isohexadecane, 1 part of sea buckthorn fruit oil, 4 parts of plant extracts, 0.5 parts of tocopherol acetate, 0.3 parts of superoxide dismutase (SOD), 5 parts of stabilizers and 0.7 parts of fragrance.

[0035] Preferably, the activity of superoxide dismutase (SOD) is not less than 5000 U / mg, and the purity of superoxide dismutase (SOD) is not less than 90%.

[0036] Preferably, the plant extract consists of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract, wherein the mass ratio of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract is 2:3:1:1:1.

[0037] Preferably, the stabilizer is composed of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80, wherein the mass ratio of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80 is 1:1:1:2.

[0038] Preferably, the flavor consists of menthol, borneol and p-hydroxyacetophenone, wherein the mass ratio of menthol, borneol and p-hydroxyacetophenone is 2:2:1.

[0039] The present invention also discloses a method for preparing SOD for promoting hair growth and repairing hair roots, comprising the following steps:

[0040] S1. Add deionized water, glycerin, isohexadecane, sea buckthorn fruit oil, plant extract, tocopherol acetate, stabilizer and fragrance into a mixing tank, turn on the stirrer, and stir evenly at 20-25° C.;

[0041] S2. Slowly add superoxide dismutase (SOD) into the stirring tank and continue stirring for 30 min at a stirring speed of 300-500 rpm to ensure that SOD is fully dissolved;

[0042] S3, using sodium hydroxide or hydrochloric acid to adjust the pH of the above solution to 6.5-7.5;

[0043] S4. Heat the solution in the stirring tank to 40-50°C, keep the temperature constant, and continue stirring for 30 minutes to ensure that all ingredients are fully mixed;

[0044] S5, homogenizing the solution in the stirring tank by a high-pressure homogenizer at 100-150 bar, homogenizing once;

[0045] S6. Cool the homogenized solution to room temperature and continue stirring to ensure a uniform solution;

[0046] S7. Fill the prepared SOD for promoting hair growth and repairing hair roots into a sterile bottle and seal it.

[0047] Embodiment 2

[0048] A SOD for promoting hair growth and repairing hair roots, comprising the following components by weight:

[0049] 53 parts of deionized water, 4 parts of glycerin, 2.3 parts of isohexadecane, 1.3 parts of sea buckthorn fruit oil, 5 parts of plant extract, 0.4 parts of tocopherol acetate, 0.25 parts of superoxide dismutase (SOD), 4.5 parts of stabilizer and 0.6 parts of fragrance.

[0050] Preferably, the activity of superoxide dismutase (SOD) is not less than 5000 U / mg, and the purity of superoxide dismutase (SOD) is not less than 90%.

[0051] Preferably, the plant extract consists of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract, wherein the mass ratio of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract is 2.3:3:1.2:1.2:1.2.

[0052] Preferably, the stabilizer is composed of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80, wherein the mass ratio of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80 is 1:1:1:1.8.

[0053] Preferably, the flavor consists of menthol, borneol and p-hydroxyacetophenone, wherein the mass ratio of menthol, borneol and p-hydroxyacetophenone is 1.8:1.8:1.

[0054] The rest of the contents are the same as those in the first embodiment.

[0055] Embodiment 3

[0056] A SOD for promoting hair growth and repairing hair roots, comprising the following components by weight:

[0057] 56 parts of deionized water, 4.6 parts of glycerin, 2.5 parts of isohexadecane, 1.6 parts of sea buckthorn fruit oil, 6 parts of plant extract, 0.35 parts of tocopherol acetate, 0.2 parts of superoxide dismutase (SOD), 3.5 parts of stabilizer and 0.5 parts of fragrance.

[0058] Preferably, the activity of superoxide dismutase (SOD) is not less than 5000 U / mg, and the purity of superoxide dismutase (SOD) is not less than 90%.

[0059] Preferably, the plant extract consists of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract, wherein the mass ratio of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract is 2.5:3:1.5:1.5:1.5.

[0060] Preferably, the stabilizer is composed of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80, wherein the mass ratio of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80 is 1:1:1:1.5.

[0061] Preferably, the flavor consists of menthol, borneol and p-hydroxyacetophenone, wherein the mass ratio of menthol, borneol and p-hydroxyacetophenone is 1.7:1.7:1.

[0062] The rest of the contents are the same as those in the first embodiment.

[0063] Embodiment 4

[0064] A SOD for promoting hair growth and repairing hair roots, comprising the following components by weight:

[0065] 58 parts of deionized water, 5.5 parts of glycerin, 2.8 parts of isohexadecane, 1.8 parts of sea buckthorn fruit oil, 7 parts of plant extract, 0.25 parts of tocopherol acetate, 0.15 parts of superoxide dismutase (SOD), 3 parts of stabilizer and 0.4 parts of fragrance.

[0066] Preferably, the activity of superoxide dismutase (SOD) is not less than 5000 U / mg, and the purity of superoxide dismutase (SOD) is not less than 90%.

[0067] Preferably, the plant extract consists of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract, wherein the mass ratio of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract is 2.8:3:1.8:1.8:1.8.

[0068] Preferably, the stabilizer is composed of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80, wherein the mass ratio of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80 is 1:1:1:1.2.

[0069] Preferably, the flavor consists of menthol, borneol and p-hydroxyacetophenone, wherein the mass ratio of menthol, borneol and p-hydroxyacetophenone is 1.6:1.6:1.

[0070] The rest of the contents are the same as those in the first embodiment.

[0071] Embodiment 5

[0072] A SOD for promoting hair growth and repairing hair roots, comprising the following components by weight:

[0073] 60 parts of deionized water, 6 parts of glycerin, 3 parts of isohexadecane, 2 parts of sea buckthorn fruit oil, 8 parts of plant extract, 0.2 parts of tocopherol acetate, 0.1 parts of superoxide dismutase (SOD), 2.5 parts of stabilizer and 0.3 parts of fragrance.

[0074] Preferably, the activity of superoxide dismutase (SOD) is not less than 5000 U / mg, and the purity of superoxide dismutase (SOD) is not less than 90%.

[0075] Preferably, the plant extract consists of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract, wherein the mass ratio of mugwort leaf extract, licorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract is 3:3:2:2:2.

[0076] Preferably, the stabilizer is composed of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80, wherein the mass ratio of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80 is 1:1:1:1.

[0077] Preferably, the flavor consists of menthol, borneol and p-hydroxyacetophenone, wherein the mass ratio of menthol, borneol and p-hydroxyacetophenone is 1.5:1.5:1.

[0078] The rest of the contents are the same as those in the first embodiment.

[0079] In order to further illustrate the technical effect of the present invention, the following experiments are performed to verify:

[0080] The products prepared in Examples 1 to 5 of the present invention were selected as the experimental group;

[0081] The product prepared in Example 1 of the Chinese patent "An essence spray for promoting hair growth and repairing hair roots and its preparation method" (licensing announcement number CN115944571B) was selected as the control group;

[0082] Experimental period: 8 weeks.

[0083] Subjects: 30 volunteers in each group (15 males and 15 females), with different hair quality and hair volume problems, aged 18-45 years old, and none of them had received hair treatment.

[0084] Experimental methods:

[0085] 1. Subjects are required to apply the experimental product to the scalp and hair roots every day, with the frequency of use being once every night.

[0086] 2. Measure the improvement of hair growth rate, hair root strength and hair quality through professional tools.

[0087] 3. Evaluate the comfort of the scalp after use, including whether there are allergic, irritation and other reactions.

[0088] 4. Take photos regularly to record the condition of your hair, once every two weeks.

[0089] 5. Interview the subjects every two weeks to understand their experience.

[0090] Experimental indicators

[0091] 1. Hair growth rate: Determined by measuring hair growth length every week.

[0092] 2. Hair root repair: Observe the health of the scalp and hair roots through an optical microscope.

[0093] 3. Hair health: Observe whether the hair becomes smoother and fuller, and whether there is a hair loss problem.

[0094] 4. Comfort: including whether allergies, scalp itching and other discomforts occur.

[0095] Table 1: Comparison of hair growth and repair effects

[0096]

[0097] Table 2: Hair repair effect score

[0098]

[0099]

[0100] Table 3: Comfort rating

[0101] Experimental Group Comfort rating (1-10) Embodiment 1 9 Embodiment 1 8.5 Embodiment 1 8.8 Embodiment 1 8.3 Embodiment 1 9 Comparison group 7

[0102] Experimental results analysis

[0103] Hair growth rate: The hair growth rates of Examples 1, 2, and 5 are significantly better than those of Examples 3, 4, and the control group, especially Examples 1 and 5, which both show a faster growth rate and also perform outstandingly in repairing hair roots; and Examples 1 to 5 are all better than the control group.

[0104] Hair root health and scalp repair: Examples 1 and 5 have the best hair root repair effects, with scalp repair scores of 9 each, indicating that these formulas have good effects on repairing scalp health and promoting hair root growth; and Examples 1 to 5 are all better than the control group.

[0105] Hair health: Examples 1, 2 and 5 showed significant improvements in hair luster, volume and reduction of hair loss, while the control group showed relatively poor results.

[0106] Comfort: All experimental groups had high comfort scores, and none had severe allergic or irritation reactions. Only the control group had a low comfort score.

[0107] in conclusion

[0108] By analyzing the experimental data of the five embodiments and the comparison group, the following conclusions can be drawn:

[0109] Embodiment 1 and Embodiment 5 have the best performance in terms of hair growth, hair root repair, hair health, etc., and are suitable for products that promote hair growth and repair hair roots.

[0110] The effect of the second embodiment is also quite significant, but slightly inferior to that of the first and fifth embodiments.

[0111] The effect of the control group was general and the comfort level was low, which means that its effect on hair growth and repairing hair roots was limited.

[0112] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0113] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A SOD for promoting hair growth and repairing hair roots, characterized in that: The composition by weight is as follows: 50-60 parts of deionized water, 3-6 parts of glycerin, 2-3 parts of isohexadecane, 1-2 parts of sea buckthorn fruit oil, 4-8 parts of plant extract, 0.2-0.5 parts of tocopherol acetate, 0.1-0.3 parts of superoxide dismutase (SOD), 2.5-5 parts of stabilizer and 0.3-0.7 parts of fragrance.

2. The SOD for promoting hair growth and repairing hair roots according to claim 1, characterized in that: The activity of the superoxide dismutase (SOD) is not less than 5000 U / mg, and the purity of the superoxide dismutase (SOD) is not less than 90%.

3. The SOD for promoting hair growth and repairing hair roots according to claim 1, characterized in that: The plant extract consists of wormwood leaf extract, liquorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract, wherein the mass ratio of the wormwood leaf extract, liquorice root extract, scutellaria root extract, salvia miltiorrhiza extract and siler root extract is 2-3:3:1-2:1-2:1-2.

4. The SOD for promoting hair growth and repairing hair roots according to claim 1, characterized in that: The stabilizer consists of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80, wherein the mass ratio of sodium acrylate / sodium acryloyldimethyl taurate copolymer, glyceryl stearate, PEG-100 glyceryl stearate and polysorbate 80 is 1:1:1:1-2.

5. The SOD for promoting hair growth and repairing hair roots according to claim 1, characterized in that: The fragrance consists of menthol, borneol and p-hydroxyacetophenone, wherein the mass ratio of menthol, borneol and p-hydroxyacetophenone is 1.5-2:1.5-2:

1.

6. A method for preparing the SOD for promoting hair growth and repairing hair roots as described in any one of claims 1 to 5, characterized in that: The following steps are involved: S1. Add deionized water, glycerin, isohexadecane, sea buckthorn fruit oil, plant extract, tocopherol acetate, stabilizer and spices into a mixing tank, turn on the stirrer, and stir evenly at a certain temperature; S2. Slowly add superoxide dismutase (SOD) into the mixing tank and continue stirring to ensure that SOD is fully dissolved; S3, using a pH regulator to adjust the pH of the above solution to 6.5-7.5; S4, heating the solution in the stirring tank to a certain temperature, keeping the temperature constant, and continuing stirring for a certain period of time to ensure that the components are fully mixed; S5, homogenizing the solution in the stirring tank by a high-pressure homogenizer, homogenizing once; S6. Cool the homogenized solution to room temperature and continue stirring to ensure a uniform solution; S7. Fill the prepared SOD for promoting hair growth and repairing hair roots into a sterile bottle and seal it.

7. The method for preparing a SOD for promoting hair growth and repairing hair roots according to claim 6, characterized in that: The certain temperature in S1 is 20-25° C.; the stirring speed in S2 is 300-500 rpm, and the stirring time is 30 min.

8. The method for preparing a SOD for promoting hair growth and repairing hair roots according to claim 6, characterized in that: The pH regulator in S3 is sodium hydroxide or hydrochloric acid; the certain temperature in S4 is 40-50° C., and the certain time is 30 minutes.

9. The method for preparing a SOD for promoting hair growth and repairing hair roots according to claim 6, characterized in that: The homogenizing pressure of the high pressure homogenizer in S5 is 100-150 bar.

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