阅读说明：本技术 一种添加牡丹提取物的面膜及其制备方法 (Mask added with peony extract and preparation method thereof ) 是由 张志利 纪海鹏 龚伟 于 2021-09-28 设计创作，主要内容包括：本发明公开了一种添加牡丹提取物的面膜及其制备方法。该面膜原料由如下组分构成：牡丹提取物、烟酰胺、肌醇、油溶性维生素E、乳化剂、金黄洋甘菊、忍冬花、三七根、杜仲树皮、甘油、低分子玻尿酸、抗菌剂和去离子水。本发明将牡丹鲜花原液、牡丹籽油、金黄洋甘菊、肌醇、低分子玻尿酸、忍冬花、三七根等物质混合形成复合物,形成一种适宜现代女性的美白嫩肤面膜,可以有效提高肌肤的抗氧化能力,且为皮肤注入充足的水分,防止皮肤角质层中的水分蒸发,使负载的植物精华易于吸收,保持面部滋润,美白修复效果好,能有效清除肌肤中的自由基,避免面部肌肤加速老化,减少面部皱纹,具有理想的抗氧化、延缓皮肤衰老的效果。(The invention discloses a mask added with a peony extract and a preparation method thereof. The mask raw material comprises the following components: peony extract, nicotinamide, inositol, oil-soluble vitamin E, an emulsifier, golden chamomile, honeysuckle flower, pseudo-ginseng root, eucommia bark, glycerol, low-molecular hyaluronic acid, an antibacterial agent and deionized water. The peony flower stock solution, the peony seed oil, the golden yellow chamomile, the inositol, the low-molecular hyaluronic acid, the honeysuckle flower, the pseudo-ginseng root and other substances are mixed to form a compound, so that the whitening and skin-tendering facial mask suitable for modern women is formed, the oxidation resistance of skin can be effectively improved, sufficient moisture is injected into the skin, the moisture in the horny layer of the skin is prevented from evaporating, the loaded plant essence is easy to absorb, the face is kept moist, the whitening and repairing effects are good, the free radicals in the skin can be effectively eliminated, the accelerated aging of the face skin is avoided, the facial wrinkles are reduced, and the whitening and skin-tendering facial mask has ideal effects of resisting oxidation and delaying skin aging.)

1. the mask added with the peony extract is characterized in that the mask raw materials comprise the following components:

peony extract, nicotinamide, inositol, oil-soluble vitamin E, an emulsifier, golden chamomile, honeysuckle flower, pseudo-ginseng root, eucommia bark, glycerol, low-molecular hyaluronic acid, an antibacterial agent and deionized water; wherein the peony extract is peony fresh flower stock solution and peony seed oil.

2. The mask with the peony extract as claimed in claim 1, wherein the mask comprises the following components by mass: 0.5 to 20 percent of peony flower stock solution, 0.1 to 5 percent of peony seed oil, 0.1 to 5 percent of oil-soluble vitamin E, 0.1 to 5 percent of emulsifier, 0.5 to 20 percent of golden yellow chamomile, 1 to 10 percent of glycerol, 0.5 to 3 percent of low molecular hyaluronic acid, 0.5 to 3 percent of inositol, 0.5 to 5 percent of nicotinamide, 0.05 to 5 percent of antibacterial agent, 0.5 to 20 percent of honeysuckle flower, 0.3 to 10 percent of pseudo-ginseng root, 0.2 to 5 percent of eucommia bark, 0.3 to 2 percent of 3-0-ethyl ascorbic acid and the balance of deionized water.

3. The mask with the peony extract as claimed in claim 2, wherein the mask comprises the following components by mass: 3.0% of peony flower stock solution and 1.0% of peony seed oil; 0.5% of oil-soluble vitamin E, 1.0% of emulsifier, 0.5% of golden chamomile, 2% of glycerol, 0.5% of low-molecular hyaluronic acid, 1% of inositol, 2% of nicotinamide, 0.2% of antibacterial agent, 1% of honeysuckle flower, 0.5% of pseudo-ginseng root, 0.75% of eucommia bark, 0.5% of 3-0-ethyl ascorbic acid and the balance of deionized water; wherein the antibacterial agent is a composite corrosion inhibitor prepared from caprylyl glycol and pentanediol in a mass ratio of 1: 4.

4. The mask with the peony extract as claimed in claim 2, wherein the mask comprises the following components by mass: 2.0% of peony flower stock solution and 0.5% of peony seed oil; 1.0% of oil-soluble vitamin E, 1.0% of emulsifier, 0.5% of golden chamomile, 2% of glycerol, 0.5% of low-molecular hyaluronic acid, 1% of inositol, 3.0% of nicotinamide, 0.2% of antibacterial agent, 1% of honeysuckle flower, 0.5% of pseudo-ginseng root, 0.75% of eucommia bark, 0.5% of 3-0-ethyl ascorbic acid and the balance of deionized water; wherein the antimicrobial agent is potassium sorbate.

5. A mask with added peony extract according to any one of claims 1-4, characterized in that the peony flower stock solution is prepared by the following method embodiments: adopting subcritical dimethyl ether low-temperature extraction equipment, adding fresh peony petals into an extraction kettle, introducing dimethyl ether at a flow rate of 30-50L/h, and extracting for 2-3h under the conditions that the temperature is kept at 40-60 ℃ and the pressure is 10-15 MPa; obtaining a peony petal organic solvent mixture; the mixture is placed in a reaction kettle under the control of a valve, and then pressurized to 15-20MPa by low-temperature high-pressure concentration equipment, and dimethyl ether is recovered at the temperature of 20 ℃ to obtain liquid-phase peony flower stock solution.

6. The mask with the added peony extract as claimed in any one of claims 1 to 4, wherein the content of unsaturated fatty acid in said peony seed oil is 92.05%.

7. A mask with added peony extract according to any one of claims 1-4, characterized in that the emulsifier is selected from at least one or any combination of cetearyl alcohol, lauryl alcohol phosphate, C9-15 alcohol phosphate, stearyl alcohol phosphate and C20-22 alcohol phosphate.

8. The mask with the peony extract as claimed in claim 1 or 2, wherein the antibacterial agent is potassium sorbate, or a composite preservative agent comprising caprylyl glycol and pentylene glycol at a mass ratio of 1: 4.

9. The skin care product of claim 2, 3 or 4 is a nicotinamide whitening and youthful looks retaining mask added with a peony extract, wherein the weight ratio of the peony flower stock solution, the peony seed oil and nicotinamide is 0.5-10: 0.5-2: 2, preferably 3: 1: 2.

10. A preparation method of a mask added with a peony extract comprises the following steps:

1) sterilizing utensils with 75% alcohol, or sterilizing by ultraviolet irradiation for 30 min;

2) adding the peony flower stock solution, the peony seed oil, the oil-soluble vitamin E and the emulsifier in the formula amount into a container, uniformly stirring, and recording as a solution I for later use;

3) adding inositol, nicotinamide, flos Matricariae Chamomillae, glycerol, flos Lonicerae, Notoginseng radix root, cortex Eucommiae, low molecular hyaluronic acid and deionized water into another container, stirring, and recording as solution II;

4) adding 10-15% of the total amount of the solution II into the solution I, stirring for 4-5min to make the solution clear and transparent, adding the rest solution II, and stirring uniformly for use;

5) adding the antibacterial agent in the amount of the formula into the solution obtained in the step 3), and uniformly stirring to obtain the facial mask essence.

Technical Field

The invention belongs to the technical field of daily cosmetics, relates to a whitening and anti-aging cosmetic composition, and particularly relates to a nicotinamide whitening and youthful looks-retaining facial mask added with a peony extract and a preparation method thereof.

Background

Modern women need to endure a severe air environment besides the stressful working pressure and the stress of families, and the skin is extremely easy to lack water and age, and is easy to cause acne and face skin allergy.

The facial mask temporarily isolates outside air and pollution by covering the facial mask for a short time, improves the skin temperature and the pore expansion of the skin, promotes the secretion and metabolism of sweat glands, increases the oxygen content of the skin, and is beneficial to the skin to eliminate products of epidermal cell metabolism and accumulated grease substances. The effective components in the facial mask penetrate into horny layer of epidermis, and remove harmful metabolites such as free radicals generated by cells, so that the skin becomes soft, and is natural, bright and elastic.

Currently, commercially available facial masks are classified into whitening, moisturizing, cleaning, grease balancing, anti-aging, soothing and firming facial masks according to different effects, but in many products, the content of substances such as lead, mercury, benzene, phenol and the like exceeds the standard, a large amount of thickening agents such as carbomer, triethanolamine, sodium acrylate/sodium acryloyldimethyl taurate copolymer and the like, EDTA chelating agents and preservatives containing formaldehyde releasing bodies are added, and although the EDTA chelating agents and the preservatives can temporarily enable the skin to be in a bright and tender state, the cuticle can fall off and become thin after long-term use, so that the skin is red and swollen, color spots are formed, the skin is not good for health, and other diseases of a human body can be caused, so that the natural plant facial masks are more and more popular for people due to the fact that the natural facial masks are green, natural, safe and harmless.

Through the development of the peony industry for nearly 10 years, peony seed oil becomes common functional grease, sweet almond oil is also a common raw material in the development of cosmetics, and the peony seed oil and the sweet almond oil are compounded to form a mask solution which has a single formula and can only be used as a basic care mask, so that the market popularization and application of the mask solution are greatly reduced.

CN110101603A discloses a peony facial mask, wherein peony seed oil is added into a facial mask preparation solution, the peony seed oil contains abundant peony polyphenols, the skin aging delaying and color spot inhibiting effects are facilitated, the peony seed oil is plant essence extracted from flowers, leaves, roots and fruits of peony, the plant essence is pure natural green essence and has no side effect, the added hyaluronic acid and the paeonol have a good moisturizing effect, and the peony facial mask is safer and nontoxic compared with a common chemical moisturizing agent. The invention has errors about the basic concept recognition of the peony extract, firstly, the peony seed oil is grease extracted from peony seeds, the content of the grease in peony flowers, leaves and roots is very low, and the peony seed oil can not be extracted from flower and root in the current industrial production; in addition, a large amount of thickening agents, solubilizing agents and preservatives are used in the formula of the skin care product, so that the skin care product is not beneficial to skin care.

CN105832648B discloses a nourishing and anti-aging peony seed oil mask paste and a preparation method thereof. The facial mask patch is obtained by absorbing facial mask liquid with silk facial mask paper and then disinfecting, wherein the facial mask liquid is prepared from the following components: peony seed oil, sweet almond oil, an emulsifier, cananga odorata hydrolat, chamomile, yeast extract, a skin penetration water locking factor, an antibacterial agent and deionized water. The mask has high cost, and all raw materials have incomplete nutrition, so that the best effect cannot be obtained.

Disclosure of Invention

In view of the defects of the prior art and in order to add a new mask variety, the invention aims to provide a mask containing peony flower stock solution, peony seed oil and nicotinamide for modern women and a preparation method thereof, so as to fill the blank of using the peony flower stock solution and the peony seed oil in mask preparation and solve various skin problems caused by air pollution, fatigue, radiation and the like.

In order to achieve the purpose of the invention, the inventor continuously explores through a great amount of experimental research, and finally obtains the following technical scheme of the whitening and youth keeping facial mask added with the peony extract:

the mask added with the peony extract comprises the following components in percentage by mass: 0.5 to 20 percent of peony flower stock solution, 0.1 to 5 percent of peony seed oil, 0.1 to 5 percent of oil-soluble vitamin E, 0.1 to 5 percent of emulsifier, 0.5 to 20 percent of golden yellow chamomile, 1 to 10 percent of glycerol, 0.5 to 3 percent of low molecular hyaluronic acid, 0.5 to 3 percent of inositol, 0.5 to 5 percent of nicotinamide, 0.05 to 5 percent of antibacterial agent, 0.5 to 20 percent of honeysuckle flower, 0.3 to 10 percent of pseudo-ginseng root, 0.2 to 5 percent of eucommia bark, 0.3 to 2 percent of 3-O-ethyl ascorbic acid and the balance of deionized water.

The peony flower stock solution is prepared by the following method embodiments: adopting subcritical dimethyl ether low-temperature extraction equipment, adding fresh peony petals into an extraction kettle, introducing dimethyl ether at a flow rate of 30-50L/h, and extracting for 2-3h under the conditions that the temperature is kept at 40-60 ℃ and the pressure is 10-15 MPa; obtaining a peony petal organic solvent mixture; the mixture is placed in a reaction kettle under the control of a valve, and then pressurized to 15-20MPa by low-temperature high-pressure concentration equipment, and dimethyl ether is recovered at the temperature of 20 ℃ to obtain liquid-phase peony flower stock solution.

The emulsifier is at least one or any combination of the components selected from cetearyl alcohol, lauryl alcohol phosphate, C9-15 alcohol phosphate, stearyl alcohol phosphate and C20-22 alcohol phosphate.

The content of the peony seed oil unsaturated fatty acid is 92.05%.

The antibacterial agent is potassium sorbate or a composite corrosion inhibitor which is prepared by mixing caprylyl glycol and pentanediol in a mass ratio of 1: 4.

A nicotinamide whitening and youthful-look-retaining facial mask added with a peony extract is prepared from peony flower stock solution according to the following method: adopting subcritical dimethyl ether low-temperature extraction equipment, adding fresh peony petals into an extraction kettle, introducing dimethyl ether at a flow rate of 30-50L/h, and extracting for 2-3h under the conditions that the temperature is kept at 40-60 ℃ and the pressure is 10-15 MPa; obtaining a peony petal organic solvent mixture; placing the mixture in a reaction kettle under the control of a valve, pressurizing to 15-20MPa by low-temperature high-pressure concentration equipment, and recovering dimethyl ether at 20 ℃ to obtain the liquid-phase peony petal extract.

The weight ratio of the peony flower stock solution to the peony seed oil to the nicotinamide is 0.5-10: 0.5-2: 2, preferably 3: 1: 2.

The invention also provides a preparation method of the nicotinamide whitening and youthful looks-retaining facial mask added with the peony extract, which comprises the following steps:

1) sterilizing utensils with 75% alcohol, or sterilizing by ultraviolet irradiation for 30 min;

2) adding the peony flower stock solution, the peony seed oil, the oil-soluble vitamin E and the emulsifier in the formula amount into a container, uniformly stirring, and recording as a solution I for later use;

3) adding inositol, nicotinamide, flos Matricariae Chamomillae, glycerol, flos Lonicerae, Notoginseng radix root, cortex Eucommiae, low molecular hyaluronic acid and deionized water into another container, stirring, and recording as solution II;

4) adding 10-15% of the total amount of the solution II into the solution I, stirring for 4-5min to make the solution clear and transparent, adding the rest solution II, and stirring uniformly for later use;

5) adding the antibacterial agent with the formula amount into the solution obtained in the step 3), and uniformly stirring to obtain the facial mask essence.

The peony flower stock solution is prepared by selecting original ecological high-quality peony flowers as raw materials and refining the peony flower stock solution by adopting a pure physical cold pressing process, and the natural active substance components in the peony flower stock solution are retained to the maximum extent. By searching the prior art at home and abroad, no literature report for preparing the mask solution by using the peony flower stock solution, the peony seed oil, the nicotinamide and the like is found at present, and the efficacy of the mask is not detected.

According to the results of the antioxidant performance test, the inoxidizability of a sample 2 containing 3% of the peony flower stock solution, 1% of the peony seed oil and 2% of the nicotinamide is obviously higher than that of a sample 3 added with 3% of the peony flower stock solution and not added with the peony seed oil and the nicotinamide, the inoxidizability of a sample 4 added with 1% of the peony seed oil and not added with the peony flower stock solution and the nicotinamide is obviously higher than that of a sample 5 added with 2% of the nicotinamide and not added with the peony flower stock solution and the peony seed oil, which shows that the combination of the peony flower stock solution, the peony seed oil and the nicotinamide is used in the skin care product to synergistically eliminate excessive free radicals of skin tissues and resist cell aging. Thus, the invention also provides a new use of a combination of three specific components, namely: the application of the peony flower stock solution, the peony seed oil and the nicotinamide in preparing the skin care product for removing excessive free radicals in skin tissues; or the application of the peony flower stock solution, the peony seed oil and the nicotinamide in preparing the antioxidant skin care product. The whitening and youthful-look-retaining facial mask has excellent effects.

The whitening and youthful-look-retaining facial mask added with the peony extract has the following beneficial effects: the anti-oxidation and youthful-look-retaining facial mask suitable for modern women is prepared from peony flower stock solution, peony seed oil, nicotinamide, golden chamomile, honeysuckle flower, pseudo-ginseng root, eucommia bark, oil-soluble vitamin E (vitamin E, VE), low-molecular hyaluronic acid and the like, can effectively improve the anti-oxidation capacity of skin, injects sufficient moisture into the skin, prevents moisture evaporation in the cuticle of the skin, enables loaded plant essence to be easily absorbed, keeps the face moist, avoids accelerated aging of the face skin, reduces facial wrinkles, and has ideal anti-oxidation and anti-aging effects.

Drawings

FIG. 1: a moisture retention rate profile of the mask added with the peony extract 1 prepared in example 1;

FIG. 2: comparison of the DPPH clearance effect of different treated facial mask solutions.

Detailed Description

The invention discloses a mask added with a peony extract and a preparation method thereof. The scheme is as follows:

a mask added with a peony extract comprises the following components: peony extract, nicotinamide, inositol, oil-soluble vitamin E, an emulsifier, golden chamomile, honeysuckle flower, pseudo-ginseng root, eucommia bark, glycerol, low-molecular hyaluronic acid, an antibacterial agent and deionized water. Wherein the peony extract is peony fresh flower stock solution and peony seed oil.

As a preferred scheme, the mask comprises the following components in percentage by mass: 0.5 to 20 percent of peony flower stock solution, 0.1 to 5 percent of peony seed oil, 0.1 to 5 percent of oil-soluble vitamin E, 0.1 to 5 percent of emulsifier, 0.5 to 20 percent of golden yellow chamomile, 1 to 10 percent of glycerol, 0.5 to 3 percent of low molecular hyaluronic acid, 0.5 to 3 percent of inositol, 0.5 to 5 percent of nicotinamide, 0.05 to 5 percent of antibacterial agent, 0.5 to 20 percent of honeysuckle flower, 0.3 to 10 percent of pseudo-ginseng root, 0.2 to 5 percent of eucommia bark, 0.3 to 2 percent of 3-O-ethyl ascorbic acid and the balance of deionized water.

The peony flower stock solution is prepared by the following method embodiments: adopting subcritical dimethyl ether low-temperature extraction equipment, adding fresh peony petals into an extraction kettle, introducing dimethyl ether at a flow rate of 30-50L/h, and extracting for 2-3h under the conditions that the temperature is kept at 40-60 ℃ and the pressure is 10-15 MPa; obtaining a peony petal organic solvent mixture; the mixture is placed in a reaction kettle under the control of a valve, and then pressurized to 15-20MPa by low-temperature high-pressure concentration equipment, and dimethyl ether is recovered at the temperature of 20 ℃ to obtain liquid-phase peony flower stock solution.

The peony seed oil is purchased from Duoyezpaien Biotech limited of peony, and has an unsaturated fatty acid content of 92.05%.

The emulsifier is at least one or any combination of the components selected from cetearyl alcohol, lauryl alcohol phosphate, C9-15 alcohol phosphate, stearyl alcohol phosphate and C20-22 alcohol phosphate.

The antibacterial agent is potassium sorbate or a composite corrosion inhibitor which is prepared by mixing caprylyl glycol and pentanediol in a mass ratio of 1: 4. The caprylyl glycol is a plant antibacterial agent, belongs to terminal diol with medium and short carbon chains, and can be compounded with pentanediol for effectively inhibiting the breeding of bacteria and mould in the mask.

The skin care product is a nicotinamide whitening and youthful looks retaining mask added with a peony extract, wherein the weight ratio of the peony flower stock solution, the peony seed oil and the nicotinamide is 0.5-10: 0.5-2: 2, and the preferred weight ratio is 3: 1: 2.

A preparation method of a mask added with a peony extract comprises the following steps:

1) sterilizing utensils with 75% alcohol, or sterilizing by ultraviolet irradiation for 30 min;

2) adding the peony flower stock solution, the peony seed oil, the oil-soluble vitamin E and the emulsifier in the formula amount into a container, uniformly stirring, and recording as a solution I for later use;

3) adding inositol, nicotinamide, flos Matricariae Chamomillae, glycerol, flos Lonicerae, Notoginseng radix root, cortex Eucommiae, low molecular hyaluronic acid and deionized water into another container, stirring, and recording as solution II;

4) adding 10-15% of the total amount of the solution II into the solution I, stirring for 4-5min to make the solution clear and transparent, adding the rest solution II, and stirring uniformly for later use;

5) adding the antibacterial agent with the formula amount into the solution obtained in the step 3), and uniformly stirring to obtain the facial mask essence.

The peony seed oil, sweet almond oil, chamomile, epidermal deep penetration and water locking factors and other substances are mixed to form the water-locking, moisture-preserving and antioxidant mask liquid, when the mask liquid containing the peony seed oil and the sweet almond oil is used together with mask paper, the mask paper tightly wraps the skin to isolate the skin from outside air, so that water slowly permeates into the horny layer of the epidermis, the absorption of the mask liquid by the skin is promoted, the blood microcirculation of the deep layer of the skin is accelerated, the activity of cells of each layer of the epidermis is increased, meanwhile, the water in the mask is prevented from being lost quickly, the elasticity of the skin is increased, and the effects of tightening and lifting, preventing wrinkles and resisting aging, diminishing inflammation and expelling toxins are achieved.

The following examples are merely illustrative of the present invention and are not intended to limit the invention in any way. The weight ratio of the raw materials mentioned in the examples can be adjusted as appropriate.

Example 1: a mask added with a peony extract comprises the following components in percentage by weight:

3.0% of peony flower stock solution and 1.0% of peony seed oil; 0.5% of oil-soluble vitamin E, 1.0% of emulsifier, 0.5% of golden chamomile, 2% of glycerol, 0.5% of low-molecular hyaluronic acid, 1% of inositol, 2% of nicotinamide, 0.2% of antibacterial agent, 1% of honeysuckle flower, 0.5% of pseudo-ginseng root, 0.75% of eucommia bark, 0.5% of 3-O-ethyl ascorbic acid and the balance of deionized water. Wherein the antibacterial agent is a composite corrosion inhibitor prepared from caprylyl glycol and pentanediol in a mass ratio of 1: 4.

Example 2: a mask added with a peony extract comprises the following components in percentage by weight:

2.0% of peony flower stock solution and 0.5% of peony seed oil; 1.0% of oil-soluble vitamin E, 1.0% of emulsifier, 0.5% of golden chamomile, 2% of glycerol, 0.5% of low-molecular hyaluronic acid, 1% of inositol, 3.0% of nicotinamide, 0.2% of antibacterial agent, 1% of honeysuckle flower, 0.5% of pseudo-ginseng root, 0.75% of eucommia bark, 0.5% of 3-O-ethyl ascorbic acid and the balance of deionized water. Wherein the antimicrobial agent is potassium sorbate.

The product of the invention has the following appearance performance observation:

the mask patch prepared in example 1 and added with the peony extract is selected, and the appearance indexes are observed, and the results are as follows:

mask appearance of peony extract prepared in example 1

The results show that: the product has good smell and stability, has pH value of 5.5, is weakly acidic, is very suitable for oriental skin (average pH value is about 5.8), and can make skin in the optimum nutrient absorption state.

The moisture retention test of the product of the invention comprises the following steps:

the mask with the peony extract added prepared in example 1 was selected and tested for moisture retention. According to the method in the literature of 'research on extraction and moisture retention of 4 marine shellfish polysaccharides' of Dengyi, the method is slightly modified as follows: a silica gel dryer was used, ambient temperature 20 ℃. Putting 1mL of a mask containing 3% of peony flower stock solution into an EP (EP) tube, accurately weighing the mask to be recorded as H, putting the mask into a dryer, standing for 1, 2, 3, 4, 5, 6, 7 and 23 hours, weighing again to be recorded as Hn, wherein the moisture retention rate calculation formula is as follows: moisture retention (%) ═ Hn/HO × 100% in the formula: HO is the water content quality of the sample, Hn is the water content quality of the sample after n h is placed.

The statistics of the experimental results are shown in fig. 1. As can be seen from figure 1, the moisture retention of the facial mask can still reach 99.7% after 7h, the moisture retention rate is also as high as 98.5% after 23h, and the moisture retention rate is far higher than that of glycerin (moisture retention rate: 96%) and L-lysine hydrochloride (moisture retention rate: 87.6%) which are commonly used as moisture retainers in skin care products mentioned in the study of moisture absorption and retention and dynamics of laminine and the like.

The oxidation resistance of the product of the invention is tested:

a mask to which the peony extract was added was prepared according to example 1, and tested for oxidation resistance. With reference to the method disclosed in the literature "effective properties of xanthans on the automatic in cyclic extension" of Shimada et al, a slight modification is made as follows: adding 2mL of sample solution into an EP tube, adding 2mL of 1 mmol/L-1 DPPH ethanol solution, reacting in dark at room temperature for 30min in the dark, observing the color change, and determining the concentration of vitamin C with the same antioxidation according to the color. Adding 2mL of vitamin C solution into an EP tube, and adding 2mL of 1 mmol/L-1 DPPH ethanol solution; adding 2mL of 70% ethanol solution into an EP tube, adding 2mL of 1 mmol/L-1 DPPH ethanol solution, reacting in dark at room temperature for 30min in the dark, using 70% ethanol solution as a blank control, and measuring absorbance (A) at 525nm, which is respectively marked as A and A. The test was repeated 3 times per concentration to ensure the accuracy of the experimental results, and finally the mean was taken as the fitting data. DPPH clearance calculation:

DPPH clearance (%) (1-a sample/a control) × 100. The lighter the color, the higher the clearance of DPPH free radicals and the stronger the oxidation resistance.

The results of the experiment are shown in FIG. 2. Wherein: 1 is a treatment group of 3% of peony flower stock solution, 1% of peony seed oil and 2% of nicotinamide; 2 is a treatment group which is 3 percent of the peony flower stock solution and is not added with peony seed oil and nicotinamide; 3 is a treatment group added with 1 percent of peony seed oil without adding peony flower stock solution and nicotinamide; letters represent the results of the differential analysis at a significance level of 3%, with identical letters between treatments indicating no significant difference and no identical letters indicating significant difference. As can be seen from the test results of fig. 2, the oxidation resistance of treatment 1 (95.6%) was significantly higher than the oxidation resistance of treatment 1 with only 3% of the peony flower stock solution without addition of the peony seed oil and the nicotinamide (treatment 2) (81.6%), and significantly higher than the oxidation resistance of treatment 1% of the peony seed oil without addition of the peony flower stock solution and the nicotinamide (treatment 3) (53.4%) and treatment 4 with addition of a very small amount (0.6%) of the peony flower stock solution without addition of the peony seed oil and the nicotinamide; the result shows that the peony flower stock solution, the peony seed oil and the nicotinamide have effective synergistic effect, the clearance rate of the mask on free radicals is improved, and the oxidation resistance is enhanced. The method provides a new clue and idea for the research and development of pure plant facial masks and plant antioxidants.

The trial test of the product of the invention:

the mask with the peony extract prepared in example 1 was selected and tested for its test effect. The facial mask is distributed to 20 women aged 20-50 years for trial, and is prescribed to be used 2 times per week, and a trial effect feedback table is filled after 4W trial. The statistics of the trial effect are as follows: