A composition having hair care efficacy on damaged hair and its use

Abstract

This invention discloses a composition with hair-care effects on damaged hair and its application, comprising *Ulva prolifera* extract, *Angelica sinensis* extract, *Lichen davidii* extract, and *Camellia chrysantha* extract, wherein the weight ratio of the *Ulva prolifera* extract, *Angelica sinensis* extract, *Lichen davidii* extract, and *Camellia chrysantha* extract is (1-3):(1-2):(3-7):(5-8). It has the effects of repairing hair cuticles, nourishing hair, improving hair shine, improving combability, scavenging free radicals, and inhibiting Malassezia.

Description

Technical Field

[0001] This invention belongs to the field of cosmetic technology, specifically relating to a composition that has hair care effects on damaged hair and its application. Background Technology

[0002] Currently, most mainstream conditioning agents in the hair care product market are chemically synthesized substances, such as silicone oil, cationic surfactants, and polymers. These ingredients can significantly improve hair's combability and shine in a short period by adhering to the hair cuticle or filling damaged areas of the hair shaft. However, these synthetic conditioning agents have many limitations in practical applications: long-term use can easily lead to silicone oil buildup, making hair greasy, flat, and heavy, affecting the volume of the hair roots; some cationic surfactants and their byproducts may irritate the scalp, causing itching, sensitivity, and other discomfort. As consumers increasingly focus on the safety and natural origin of personal care products, developing plant-based hair care compositions that combine repairing effects with scalp-friendly properties has become an important research and development direction for the industry.

[0003] Plant extracts, rich in active ingredients such as polyphenols, flavonoids, polysaccharides, and terpenes, have shown potential in hair care for their antioxidant, cuticle repair, and scalp nourishment properties. However, the efficacy of single plant extracts in current technologies is often limited, making it difficult to achieve ideal effects such as improved combing ability, enhanced shine, and scalp microecological regulation at low concentrations. Furthermore, the compatibility and synergistic effects between different plant extracts lack systematic research, resulting in most products still relying on synthetic conditioning agents as a guarantee of efficacy, failing to fully leverage the combined benefits of natural products.

[0004] To address the aforementioned issues, there is an urgent need to develop a hair care composition based on a blend of multiple plant extracts. By optimizing the formulation and extraction process, synergistic effects can be achieved while ensuring safety, providing a superior natural solution for repairing damaged hair and managing scalp health. Summary of the Invention

[0005] The purpose of this section is to outline some aspects of the embodiments of the present invention and to briefly describe some preferred embodiments.

[0006] As one aspect of the present invention, the present invention provides a composition having a hair care effect on damaged hair, comprising Ulva prolifera extract, Angelica dahurica extract, Lichen dahurica extract and Camellia chrysantha extract, wherein the weight ratio of Ulva prolifera extract, Angelica dahurica extract, Lichen dahurica extract and Camellia chrysantha extract is (1-3):(1-2):(3-7):(5-8).

[0007] As a preferred embodiment of the composition for hair care of damaged hair described in this invention, it further includes one or more of recombinant type XVII collagen, recombinant type III collagen, palmitoyl pentapeptide-4, Rosa damascena flower oil, and glycolipids.

[0008] As a preferred embodiment of the composition for treating damaged hair according to the present invention, it further includes oligopeptide-1, acetyl tetrapeptide-3, tripeptide-1, hexapeptide-9 and biotin.

[0009] As a preferred embodiment of the composition for hair care of damaged hair described in this invention, the preparation method of the Camellia chrysantha flower extract includes: crushing Camellia chrysantha flowers, adding an extraction solvent, reflux extraction at 70-80 °C, filtering and collecting the extract, and concentrating; the solvent includes an ethanol solution with a mass concentration of 60-70%.

[0010] As a preferred embodiment of the composition for treating damaged hair according to the present invention: the extraction solvent further includes 5-15% by mass of ethoxydiethylene glycol; the material-to-liquid ratio of the extraction solvent is 1:10-20; and the reflux extraction time is 1-4 h.

[0011] As a preferred embodiment of the composition for treating damaged hair according to the present invention, the extraction solvent is a 65% aqueous solution of ethanol containing 10% ethoxydiethylene glycol.

[0012] As a preferred embodiment of the composition for hair care of damaged hair according to the present invention, the glycolipid is sophorolipid.

[0013] The present invention also provides the use of the composition having hair care effects on damaged hair in the preparation of cosmetics.

[0014] The cosmetics include at least one of the following: hair pre-shampoo, shampoo, hair oil, conditioner, hair mask, hair serum, or hair oil.

[0015] It also includes acceptable excipients, which include at least one of surfactants, emulsifiers, humectants, preservatives, flavorings, thickeners, transdermal absorbents, or conditioning agents.

[0016] The amount of the composition that has hair care effects on damaged hair added to the cosmetic is 0.1-5 wt%.

[0017] The beneficial effects of the present invention are as follows: The present invention provides a composition of extracts of Ulva prolifera, Angelica dahurica, Icelandic lichen, and Camellia chrysantha, which has the effects of repairing hair cuticles, nourishing hair, improving hair shine, improving combability, scavenging free radicals, and inhibiting Malassezia. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below, wherein: Figure 1 DPPH removal rate.

[0019] Figure 2 The experiment was conducted to investigate the antibacterial activity of Malassezia furfur. Detailed Implementation

[0020] To make the above-mentioned objectives, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to specific examples.

[0021] Experimental materials and their sources: Ulva prolifera extract: Quzhou Zhanhong Biotechnology Co., Ltd., trade name: YH-53421 Ulva prolifera extract; Angelica sinensis extract from Binhai: Huzhou Jiamei Biochemical Products Co., Ltd., trade name: Angelica sinensis extract D from Binhai; Icelandic lichen extract: Quzhou Zhanhong Biotechnology Co., Ltd., trade name: YH-53111 Icelandic lichen extract; Runzhi Silk: Runhui Biotechnology Co., Ltd. (Active ingredients include oligopeptide-1, acetyl tetrapeptide-3, tripeptide-1, hexapeptide-9 and biotin). Wild strawberry fruit extract: Croda Chemicals (Shanghai) Co., Ltd.; Polygonum tinctorium leaf extract: Huzhou Jiamei Biochemical Products Co., Ltd.; Recombinant type XVII collagen: Zhejiang Weiming Shiguang Biotechnology Co., Ltd.; Recombinant Type III Collagen: Hangzhou Meiliu Biotechnology Co., Ltd.; Palmitoyl pentapeptide-4: Shandong Jitai Biotechnology Co., Ltd.; Turkish rose essential oil: Guangzhou Hanhui Chemical Technology Co., Ltd.; Glycolipids: Guangzhou Aogu Cosmetics Manufacturing Co., Ltd. The glycolipids described are sophorolipids, which are microbial secondary metabolites produced by *Candida albicans* using sugars and vegetable oils as carbon sources through a fermentation process under specific conditions. Fermentation medium: Glucose 100g / L, yeast extract 5g / L, KH₂PO₄ 1g / L, MgSO₄·7H₂O 0.5g / L, NaCl 0.1g / L, CaCl₂·2H₂O 0.1g / L, peptone 0.7g / L, rapeseed oil 50g / L, solvent: sterile water. Natural *Candida albicans* fermentation: Select *Candida albicans* strains (using ATCC 22214 as an example). Activate the strain by streaking it onto YPD solid medium / test tube slant, incubating at 30℃ for 48h to obtain single colonies. Test tube storage: Store at 4℃ for later use. Pick a single colony from the plate and inoculate it into 50 ml of YPD liquid medium. Incubate at 30°C and 220 rpm on a shaker for 48 hours. After fermentation, raise the temperature of the fermenter to 60°C and maintain it for 20-30 minutes to inactivate the yeast. Separate and collect the brownish-yellow, oily, viscous glycolipid from the bottom. Add an equal volume of warm distilled water (55-65°C) and mix well to wash away any remaining hydrophilic impurities. Reheat (55-65°C) to promote the separation of water and glycolipid. Allow the layers to separate. Collect the lower oily product; the upper aqueous phase can be combined with the bacterial culture layer for further processing. Repeat the washing process 2-3 times to obtain a clear, brownish-yellow, viscous glycolipid.

[0022] Preparation methods of Camellia petelotii (Merr.) Sealy extract in Examples 1-3, Comparative Examples 1-2 and Comparative Examples 5-6: Camellia petelotii flowers were collected, dried, ground and pulverized, and passed through a 100-mesh sieve to obtain Camellia petelotii flower powder; 65% ethanol aqueous solution was added to the Camellia petelotii flower powder at a material-liquid ratio of 1g:14mL, mixed well, and extracted by hot reflux at 80℃ for 3 hours. After extraction, the mixture was coarsely filtered, then filtered through a 220nm filter membrane and the filtrate was collected. The filtrate was concentrated at 50℃ and spray-dried in a spray drying tower to obtain Camellia petelotii flower extract.

[0023] Example 1: A composition with hair care effects for damaged hair, comprising seaweed extract, sea angelica extract, Icelandic lichen extract and golden camellia extract in a weight ratio of 1:1:3:5.

[0024] Example 2: A composition with hair care effects for damaged hair, comprising seaweed extract, sea angelica extract, Icelandic lichen extract and golden camellia extract in a weight ratio of 1:2:5:8.

[0025] Example 3: A composition with hair care benefits for damaged hair, comprising seaweed extract, sea angelica extract, Icelandic lichen extract and camellia extract in a weight ratio of 1:2:7:8.

[0026] Example 4: Preparation method of Camellia petelotii (Merr.) Sealy extract: Camellia petelotii flowers were collected, dried, ground and pulverized, and passed through a 100-mesh sieve to obtain Camellia petelotii flower powder; solvent was added to the Camellia petelotii flower powder at a material-to-liquid mass ratio of 1:14, wherein the solvent is an aqueous solution containing 10% ethoxydiethylene glycol and 65% ethanol, mixed well, and extracted by hot reflux at 80℃ for 3 hours. After extraction, coarse filtration was performed, followed by filtration through a 220nm filter membrane and collection of the filtrate. The filtrate was concentrated at 50℃ to remove ethanol, thereby obtaining Camellia petelotii flower extract.

[0027] The weight ratio of the extracts of *Ulva prostrata*, *Angelica dahurica*, *Lichen dahurica*, and *Camellia chrysantha* (excluding solvents) was 1:1:3:5.

[0028] Comparative Example 1: A composition with hair care benefits for damaged hair, comprising seaweed extract, sea angelica extract and Icelandic lichen extract in a weight ratio of 1:1:3.

[0029] Comparative Example 2: A substance that has hair-care benefits for damaged hair is camellia flower extract.

[0030] Comparative Example 3: A composition with hair-care effects for damaged hair, comprising *Ulva prostrata* extract, *Angelica sinensis* extract, *Lycium chinense* extract, and *Camellia chrysantha* extract in a weight ratio of 1:1:3:5. Compared to Example 1, the preparation process of this *Camellia chrysantha* extract involves adding a 40% (v / v) aqueous ethanol solution to the *Camellia chrysantha* powder; all other preparation methods are the same as in Example 1.

[0031] Comparative Example 4: A composition with hair-care effects for damaged hair, comprising *Ulva prostrata* extract, *Angelica sinensis* extract, *Lichen davidii* extract, and *Camellia chrysantha* extract in a weight ratio of 1:1:3:5. Compared to Example 1, the preparation process of this *Camellia chrysantha* extract involves adding an 85% (v / v) aqueous ethanol solution to the *Camellia chrysantha* powder; all other preparation methods are the same as in Example 1.

[0032] Comparative Example 5: A composition with hair care effects for damaged hair, comprising wild strawberry fruit extract, coastal angelica extract, Icelandic lichen extract and golden camellia flower extract in a weight ratio of 1:1:3:5.

[0033] Comparative Example 6: A composition with hair care benefits for damaged hair, comprising extracts of *Ulva prostrata*, *Polygonum tinctorium*, *Icelandic lichen*, and *Camellia chrysantha* in a weight ratio of 1:1:3:5.

[0034] The concentrations tested in each embodiment and comparative example are shown in Table 1.

[0035] Table 1. Concentration (wt%) of each example and comparative example

[0036] Performance testing of the composition: 1. Combing ability test: Each example or comparative composition was prepared into a corresponding concentration of 100 ml of deionized aqueous solution (see Table 1) for combing performance testing.

[0037] Experimental materials: Slightly damaged hair tie, purchased from Shanghai Canyu Co., Ltd.; Sodium dodecyl sulfate, chemically pure or above; Test method: 1) Prepare a 1% sodium dodecyl sulfate aqueous solution. Place the solution in a beaker and heat it to (37±1)℃ in a constant temperature water bath. Immerse the hair strand in the solution for 30 minutes (the mass ratio of hair strand to solution is 1:10), then rinse it with tap water, pat it dry with a towel or absorbent paper, and hang it to air dry in an environment with a temperature of (22±2)℃ and a relative humidity of (50±10)%.

[0038] 2) Randomly select slightly damaged hair strands; comb each strand three times alternately on both sides to remove knots, then fix the strands on the clamps of the combing device. Set the combing program and test the combing force or combing work of each strand. Each strand should be combed at least 3 times. Calculate the average combing work and record it as the baseline value before sampling.

[0039] 3) Each group of damaged hair strands consists of 5 strands, and there should be no significant difference in combing force or combing power between groups (P>0.05).

[0040] 4) Immerse each group of hair strands in the aqueous solution of each test group for 10 minutes, then remove and rinse with tap water for 1 minute; 5) After rinsing, pat the hair dry with a towel or absorbent paper, then hang it to air dry in an environment with a temperature of (22±2)℃ and a relative humidity of (50±10)%.

[0041] 6) Conduct a generalization test, and record the result of operation (2) as the baseline value after sampling.

[0042] 7) Calculate the K value. When the K value is < 0, it indicates that there is a repairing effect.

[0043] Experimental results: The combing performance test results showed that Examples 1-4 had a significant effect on repairing damaged hair; the K value of Comparative Examples 1-4 was <0, indicating that they had a effect on repairing damaged hair, as shown in Table 2.

[0044] Based on the Bliss Score: EA, EB: The effect of monotherapy (e.g., inhibition rate, 0-1 range); EAB: Effect of combined drug use.

[0045] CI = EAB / (EA + EB - EA × EB).

[0046] CI = 1.1~1.2 indicates mild synergy, CI = 1.2~1.5 indicates significant synergy, and CI > 1.5 indicates potent synergy (the target of high-efficacy formulations). CI = Example 1 / (Comparative Example 1 + Comparative Example 2 - Comparative Example 1 × Comparative Example 2).

[0047] The calculated value is CI = 1.24.

[0048] According to the test results, the CI value is 1.2~1.5, indicating a significant synergistic effect; this shows that the composition of Example 1 has a synergistic effect.

[0049] Table 2 Results of Combing Performance Test

[0050] 2. Gloss test: Each composition that has a hair care effect on damaged hair was prepared into 100 ml of deionized water solution of its respective concentration (see Table 1) for gloss testing.

[0051] 1) Select slightly damaged hair strands from the same batch, with no obvious difference in appearance, and trim them to the same specifications, with 5 strands in each group.

[0052] 2) Soak the selected hair sections in a 5g / L sodium dodecyl sulfate solution in a constant temperature water bath at 40.0±1.0℃ for 30 minutes, then rinse thoroughly with clean water. Gently comb the hair sections 10 times and hang them in a constant temperature and humidity environment of (20~25)℃ and 40%~60% for 4h~24h. When the weight difference between two consecutive weighings of the hair section within 5 minutes is less than 0.01g, the hair section has reached equilibrium. Select hair sections with a weight deviation of ±0.20g for the next step.

[0053] 3) Comb the hair section repeatedly 10 times to make the hair fluffy and tangle-free.

[0054] 4) Use a gloss meter to measure the gloss value of each hair section. The number of tests depends on the actual situation. If two or more tests are conducted, the average value is taken as the initial value of the hair section. Hair sections with large deviations from the initial value are eliminated. Finally, at least 5 valid initial values ​​(C0mg) are guaranteed.

[0055] 5) Wet the hair strand with tap water at (37.0±1.0)℃, apply 0.1g / g of product to the hair strand, and knead and wash it in the direction of hair to the ends to ensure that it is not messy and can be evenly applied for 1 minute. Then rinse with water at (37.0±1.0)℃ and a flow rate of 4L / min for 30 seconds. Every 5 seconds, squeeze the water off the hair from top to bottom. The above shampooing operation can be repeated multiple times.

[0056] 6) Gently comb the hair section neatly, and place it in a constant temperature and humidity room with a temperature of (20~25)℃ and a relative humidity of 40%~60% for 4h~24h. When the weight difference between two consecutive weighings of the hair section is less than 0.01g, it indicates that the hair section has reached a balanced state.

[0057] 7) Determine the gloss value (C) of the hair cutlet after sample application. m99 The number of tests was consistent with the number of tests conducted before using the initial values.

[0058] 8) Calculate the K value. If the K value is greater than 0, it means that the sample has the function of enhancing gloss.

[0059] The test results are shown in Table 3.

[0060] According to calculations based on Example 1 and Comparative Examples 1-2, CI = 1.14, indicating a mild synergistic effect.

[0061] The results show that the composition of Example 1 has a strong synergistic effect on improving the shine of damaged hair.

[0062] Table 3 Gloss Test Results

[0063] 3. DPPH test: Table 4. DPPH test sample concentrations (wt%) for each test group

[0064] 1) Prepare a 0.03 mg / mL DPPH ethanol solution as a DPPH stock solution; 2) Prepare 100 ml of deionized water solution of each component concentration (see Table 4) for each example or comparative composition sample for DPPH testing; 3) Transfer 5 mL of sample solution and 5 mL of 0.03 mg / mL DPPH ethanol solution from each example or comparative composition to a 15 mL centrifuge tube, mix well, and store in the dark for 30 minutes. Measure the absorbance at 517 nm (denoted as A). j ); 4) Transfer 5 mL of sample solution and 5 mL of anhydrous ethanol to each of the compositions of the examples or comparative examples into a 15 mL centrifuge tube, mix well, and measure the absorbance at 517 nm (recorded as A0). 5) Transfer 5 mL of deionized water and 5 mL of 0.03 mg / mL DPPH ethanol solution to 15 mL centrifuge tubes, mix well, and measure the absorbance at 517 nm (denoted as A). l ).

[0065] 6) Calculate the free radical scavenging rate for each group. Formula for calculating free radical scavenging efficiency: The experimental results show that the calculated CI of the DPPH scavenging rate of the composition in Example 1 is approximately 1.4, indicating that the composition in Example 1 has a synergistic effect in scavenging DPPH.

[0066] Table 5 DPPH scavenging rate in each experimental group

[0067] Example 5: A composition with hair care effects for damaged hair, comprising seaweed extract, sea angelica extract, Icelandic lichen extract, camellia extract and recombinant type XVII collagen in a weight ratio of 1:1:3:5:2.

[0068] Example 6: A composition with hair care effects for damaged hair, comprising seaweed extract, sea angelica extract, Icelandic lichen extract, camellia extract and recombinant type III collagen in a weight ratio of 1:1:3:5:4.

[0069] Example 7: A composition with hair care benefits for damaged hair, comprising seaweed extract, sea angelica extract, Icelandic lichen extract, camellia extract and palmitoyl pentapeptide-4 in a weight ratio of 1:1:3:5:1.

[0070] Example 8: A composition with hair care effects for damaged hair, wherein the weight ratio of seaweed extract, sea angelica extract, Icelandic lichen extract, camellia extract and hair-nourishing silk is 1:1:3:5:3.

[0071] Example 9: A composition with hair care effects for damaged hair, comprising seaweed extract, sea angelica extract, Icelandic lichen extract, camellia extract and Rosa damascena flower essential oil in a weight ratio of 1:1:3:5:2.

[0072] Table 6 Test mass concentrations of Examples 5-9

[0073] Example 5-9 Performance Test: 1. Combing ability test: The experimental methods and procedures are the same as above. The compositions of Examples 5-9 that have hair care effects on damaged hair were prepared into 100ml of deionized water solutions of each experimental group concentration, and then combing performance tests were carried out. Results: The results show that the K values ​​are all <0, indicating that Examples 5-9 all have hair care effects on damaged hair.

[0074] Table 7. Combing performance test results of Examples 5-9

[0075] Example 10: A composition that has hair care effects on damaged hair and also enhances the dandruff-removing function of glycolipids, wherein the weight ratio of seaweed extract, sea angelica extract, Icelandic lichen extract, camellia extract and glycolipids is 1:1:3:5:2, and the total mass concentration of the composition is 3.6%.

[0076] Comparative Example 7: Glycolipids were tested as a single component with a mass concentration of 0.6%.

[0077] Table 8 Mass concentration of the composition

[0078] 1. Inhibition rate of Malassezia furfur Test method: 1) Leeming Notman medium as a base Preparation method: Take the finished culture medium, prepare it according to the product instructions, dispense it, and autoclave it at 121℃ for 15 minutes.

[0079] 2) PBS Ingredients: 2.83g of anhydrous disodium hydrogen phosphate 1.36g of potassium dihydrogen phosphate Add distilled water to 1000 mL After complete dissolution, adjust the pH to 7.2-7.4, and autoclave at 121℃ for 20 minutes before use.

[0080] 3) Standard hard water (hardness 342 mg / L) Ingredients: Calcium chloride (CaCl2) 0.304g Magnesium chloride (MgCl2·6H2O) 0.139g Add distilled water to 1000 mL 4) Preparation of test bacterial suspension Take fresh culture from a 3rd to 5th generation Leeming Notman agar slant, add 5.0 mL of PBS to the slant tube, and repeatedly pipette to wash off the bacterial colony. Then, transfer all the washings to another sterile tube and mix with an electric mixer for 20 seconds, or tap the tube 80 times on your palm to ensure the Malassezia furfur suspension is uniform. Store the bacterial suspension at 4°C for later use; do not keep overnight.

[0081] 5) Sample preparation: Prepare aqueous solutions of each sample according to the 8 parts by weight in Table 8, and set aside for later use.

[0082] 6) Procedure for antibacterial test ① Dilute the test bacterial suspension appropriately with PBS, aiming for a concentration of 1 mL added to 50 mL of control sample (PBS), resulting in a recovered bacterial count of 1 × 10⁻⁶. 4 ~9×10 4 cfu / mL; ② Take 50 mL of the original test sample solution or its dilution and place it in a sterile Erlenmeyer flask. Keep it at 20°C for 5 min. ③ Add 1 mL of the test bacterial solution to each of the 50 mL samples in an Erlenmeyer flask, mix quickly, and place in a constant temperature incubator (set temperature 28℃). Incubation time: 24 h.

[0083] ④ After shaking, remove all Erlenmeyer flasks, take 0.5 mL of the mixture of test bacteria and sample, add it to a test tube containing 4.5 mL of sterilized PBS, and mix thoroughly. ⑤ After standing for 10 minutes, take 1 mL of the sample solution (or, after appropriate dilution, take 2-3 dilutions) and place it in a sterile Petri dish. Inoculate each sample solution or dilution into two sterile Petri dishes. Pour 15 mL of Leeming-Notman medium cooled to 40℃-45℃ into the dish, rotate the dish to ensure thorough mixing, and invert the dish after the agar has solidified. Incubate at 28±1℃ for 7 days, and then count the viable colonies. ⑥ Use PBS instead of the test sample, and follow the above steps as a control sample; ⑦ The experiment was repeated 3 times, and the average value was calculated.

[0084] (III) Calculation Formula Antibacterial rate (%) = (Ⅰ-Ⅱ) / Ⅰ×100 In the formula: I----The average number of colonies in the control sample; II----The average number of colonies in the test sample.

[0085] The result is rounded to the nearest integer.

[0086] 7) Error Evaluation In viable cell counting, the error rate of colony count between plates and the error rate of colony count between dilutions should not exceed 10%.

[0087] Table 9. Results of Malassezia test

[0088] As shown in Table 9, Example 10 exhibited a higher inhibition rate against Malassezia than Example 1 and Comparative Example 7 (see the effects of the Malassezia culture dish wash below), and its calculated CI value was 1.38, indicating a synergistic effect. Glycolipids increase the permeability of the Malassezia cell membrane, making it easier for plant extracts to enter the bacterial cells; the two work synergistically to inhibit Malassezia.

[0089] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A composition having a hair care benefit for damaged hair, characterized in that: It includes extracts of Ulva prolifera, Angelica dahurica, Lichen dahurica and Camellia chrysantha, wherein the weight ratio of the extracts of Ulva prolifera, Angelica dahurica, Lichen dahurica and Camellia chrysantha is (1-3):(1-2):(3-7):(5-8).

2. The composition having a hair care efficacy on damaged hair according to claim 1, characterized in that: It also includes one or more of the following: recombinant type XVII collagen, recombinant type III collagen, palmitoyl pentapeptide-4, Rosa damascena flower oil, and glycolipids.

3. The composition having a hair care efficacy on damaged hair according to claim 2, characterized in that: It also includes oligopeptide-1, acetyl tetrapeptide-3, tripeptide-1, hexapeptide-9 and biotin; the glycolipid is sophorolipid.

4. A composition having a hair care efficacy on damaged hair according to claim 1 or 2 characterized in that: The preparation method of the Camellia chrysantha flower extract includes crushing Camellia chrysantha flowers, adding an extraction solvent, refluxing at 70-80 °C, filtering and collecting the extract, and concentrating; the solvent includes an ethanol solution with a mass concentration of 60-70%.

5. The composition having a hair care efficacy on damaged hair according to claim 4, characterized in that: The extraction solvent also includes 5-15% ethoxydiethylene glycol by mass; the solid-liquid ratio of the extraction solvent is 1:10-20; and the reflux extraction time is 1-4 h.

6. The composition having a hair care efficacy on damaged hair according to claim 4, characterized in that: The extraction solvent is a 65% aqueous solution of ethanol containing 10% ethoxydiethylene glycol.

7. The use of the composition according to claim 1, which has hair care effects on damaged hair, in the preparation of cosmetics.

8. Use according to claim 7, characterized in that: The cosmetics include at least one of the following: hair pre-shampoo, shampoo, hair oil, conditioner, hair mask, hair serum, or hair oil.

9. The application according to claim 7 or 8, characterized in that: It also includes acceptable excipients, said excipients including at least one of surfactants, emulsifiers, humectants, preservatives, flavorings, thickeners, transdermal absorbents, or conditioning agents.

10. The application according to claim 7 or 8, characterized in that: The composition having hair care effects on damaged hair is added to the cosmetic at an amount of 0.1-5 wt%.

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