CN107440969B - Sunscreen repairing agent and application thereof - Google Patents
Sunscreen repairing agent and application thereof Download PDFInfo
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Abstract
The invention relates to a sunscreen repairing agent, which comprises the following components in parts by weight: 1-10 parts of hydrolyzed oat protein, 1-10 parts of cyclodextrin compound, 0.5-6 parts of eyebright extract, 0.5-6 parts of pearl active peptide, 1-6 parts of N-acetylglucosamine, 0.01-1 part of phenyllactic acid and 40-70 parts of water. The sunscreen repair agent is in a liquid state, is easy to apply, keeps a homogeneous and clear state under the conditions of high temperature, low temperature and centrifugation, has good stability, overcomes the defects of micro powder precipitation, pore blockage and roughness caused by the traditional chemical sunscreen agent in the storage process, and prolongs the shelf life of the product. The sun-screening agent has the advantages of good use comfort, no greasy feeling, easy absorption, good moistening property, better sun-screening performance, good repairing effect on injuries such as dryness, desquamation and red swelling after sun-drying, mild property, safety, effectiveness and no stimulation.
Description
Technical Field
The invention relates to the technical field of cosmetics, and particularly relates to a sunscreen repairing agent and application thereof.
Background
Ultraviolet injury to the human body has gained a consensus that it is primarily manifested as possible short-term and long-term severe effects, with short-term effects being primarily sunburn and long-term effects often being cumulative, manifested as erythema, photoaging, tissue destruction, skin cancer, and the like. Therefore, how to reduce adverse effects of ultraviolet rays on human health by using sunscreen products as much as possible is one of the most popular topics in the cosmetic industry in recent years.
Currently, most commercial sunscreen products on the market contain chemical sunscreens, such as: isooctyl methoxycinnamate, benzophenone-3, salicylate, and the like; a few sunscreen products only contain natural sunscreen ingredients such as titanium dioxide, zinc oxide and the like, but the powder can block pores, particularly, the sunscreen product containing titanium dioxide can cause the skin of a consumer to have a whitish and unnatural feeling, and the powder without surface treatment can abrade the skin and can agglomerate and coarsen, so that the SPF value of the aged product is remarkably reduced, the cosmetic manufacturer is difficult to ensure the product quality and the sunscreen effect is stable within three years, and the wide application of the natural sunscreen ingredients such as titanium dioxide and zinc oxide is limited.
The plant sunscreen agent is natural and safe, has the effects of whitening, removing freckles, resisting aging and the like, is more and more popular with people, and is a hotspot developed by sunscreen cosmetic manufacturers. Compared with chemical sunscreen agents, the plant sunscreen agent has weaker ultraviolet absorption effect and unobvious sunscreen effect, has poorer stability due to the fact that the plant sunscreen agent contains natural active ingredients, has strict requirements on the preparation process, and can realize relatively fewer products in industrialized production. For example, in the chinese patent application publication No. CN 101972219B, "natural sunscreen composition with synergistic effect on SPF of cosmetics", wherein the SPF of the base formula of the chemical sunscreen is 14.2, the SPF of the formula is increased to 16.1 after adding 2% of scutellaria root extract, 2% of purslane extract and 1% of hydrolyzed wheat protein/PVP cross-linked polymer, it can be seen that the contribution of the natural sunscreen in the conventional literature to the SPF of the formula is limited.
Therefore, there is a need to provide a natural sunscreen agent which has a remarkable sunscreen effect and stable properties and can be industrially produced, so as to meet the market demand.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a sunscreen repairing agent which is light in texture, natural, comfortable and non-greasy after use, has the advantages of coordinated components, obvious sunscreen effect, no skin irritation, high safety and stable property.
The technical scheme of the invention is as follows:
a sun-screening repair agent comprises the following components in parts by weight: 1-10 parts of hydrolyzed oat protein, 1-10 parts of cyclodextrin compound, 0.5-6 parts of eyebright extract, 0.5-6 parts of pearl active peptide, 1-6 parts of N-acetylglucosamine, 0.01-1 part of phenyllactic acid and 40-70 parts of water.
Preferably, the sunscreen repair agent comprises the following components in parts by weight: 4-6 parts of hydrolyzed oat protein, 4-8 parts of cyclodextrin compound, 1-2 parts of eyebright extract, 2-4 parts of pearl active peptide, 2-4 parts of N-acetylglucosamine, 0.2-0.6 part of phenyllactic acid and 60-70 parts of water.
Further, the cyclodextrin compound consists of a cyclodextrin derivative and a plant active ingredient in a mass ratio of 1: 0.01-0.4; the plant active ingredients comprise chlorophyll and lycopene in a mass ratio of 1: 0.1-1.
Preferably, the cyclodextrin complex consists of a cyclodextrin derivative and a plant active ingredient in a mass ratio of 1: 0.2; the plant active ingredients comprise chlorophyll and lycopene according to the mass ratio of 1: 0.6.
Further, the cyclodextrin derivative is a cyclodextrin grafted konjac glucomannan derivative.
Specifically, the preparation of the cyclodextrin complex comprises the following steps:
(1) preparation of cyclodextrin derivatives: weighing cyclodextrin, dissolving in water to prepare a solution with the concentration of 2% (m/v), adding konjac glucomannan in an equivalent increasing mode under the stirring condition, stirring until the solution is clear, dropwise adding a sodium tripolyphosphate solution, wherein the final concentration of the sodium tripolyphosphate in the solution is 1-2% (m/v), continuously stirring for 30-60 min, vortexing for 5-10 min, centrifuging the liquid at the rotation speed of 20000rpm for 15min, taking a precipitate, and carrying out vacuum freeze drying for 12h to obtain the cyclodextrin grafted konjac glucomannan derivative;
(2) preparing a cyclodextrin complex: weighing plant active ingredients, dissolving the plant active ingredients with ethanol, slowly dripping into a pre-dissolved cyclodextrin derivative saturated water solution, carrying out magnetic therapy stirring hydration reaction for 30-60 min, standing at room temperature for 1-2 h, drying under reduced pressure, and sieving with a 80-150-mesh sieve to obtain the cyclodextrin compound.
Further, the addition amount of the konjac glucomannan in the step (1) is 10-30% of the weight of the cyclodextrin.
In the sunscreen repair agent, chlorophyll and lycopene are natural fat-soluble pigments, have light absorption performance and have better synergistic effect. The invention creatively performs derivatization treatment on cyclodextrin to prepare the cyclodextrin grafted konjac glucomannan derivative, coats chlorophyll and lycopene by utilizing the cavity structure of the cyclodextrin, greatly improves the solubility and stability of the cyclodextrin grafted konjac glucomannan derivative and the lycopene grafted cyclodextrin grafted konjac glucomannan derivative, avoids the degradation of the chlorophyll and the lycopene by external factors, and fully exerts the absorption of the chlorophyll and the lycopene on visible light and ultraviolet light, thereby obtaining better sun-proof effect. Meanwhile, the konjac glucomannan grafted by the side chain can enable the cyclodextrin inclusion compound to form a thin film at the coated part in the using process, so that the sun-screening repairing agent is more skin-friendly and can be applied, the phenomenon that sweat and the like cause the sun-screening agent to lose too early is avoided, and the effect is more durable.
In the sunscreen repair agent, the pearl active peptide is small molecular active peptide obtained by degrading shell keratin with pearl fine powder through high-frequency high-voltage current treatment, and is compounded with the eyebright extract for use, so that the sunscreen repair agent has a better after-sun repair effect, can relieve cell oxidative damage and ultraviolet-mediated apoptosis, accelerate cell metabolism, promote synthesis of hyaluronic acid and the like, and inhibit tyrosinase activity, thereby achieving the effects of eliminating color spots, promoting repair and activating skin and tendering skin, and has a good effect of inhibiting the phenomena of skin erythema, photoaging and the like caused by ultraviolet rays.
Compared with the commonly used nano pearl powder, the pearl active peptide has good solubility, high bioavailability, high system compatibility with the sun-screening repair agent, no microcrystalline precipitation after long-term storage, and no agglomeration reaction with a cyclodextrin complex. Moreover, the pearl active peptide as a soluble small molecular peptide can promote the eyebright extract to permeate into the skin, can obviously reduce the wrinkling phenomenon of the skin, and is beneficial to fully pasting the sunscreen repair agent on the surface of the skin to play a role.
Specifically, the preparation of the pearl active peptide comprises the following steps:
(1) grinding pearls into fine powder, adding 60% (m/v) of sodium lactate aqueous solution according to the material-liquid ratio of 1:5, ultrasonically mixing uniformly, adding malic acid while stirring until the malic acid is completely dissolved to ensure that the final concentration of the malic acid in a system is 0.2-0.5%, introducing normal-pressure forward current into the solution at room temperature, treating for 10-15 s, introducing normal-pressure reverse current, treating for 5-10 s, introducing high-frequency high-voltage current, and cutting off the power supply after treating for 60-90 min to obtain a treatment solution;
(2) and (2) dropwise adding a proper amount of glycine buffer solution into the treatment solution obtained in the step (1), regulating the pH value to be neutral, centrifuging, collecting supernatant, and drying the supernatant under reduced pressure to obtain the composition.
Further, the normal-pressure forward current is introduced into the preparation step (1) of the pearl active peptide for treatment time of 12s, and the normal-pressure reverse current is introduced for treatment time of 6 s.
Furthermore, in the preparation step (1), the frequency of the high-frequency high-voltage current is 6000 to 9000 Hz, and the voltage is 4000 to 8000V.
In the preparation process of the pearl active peptide, the inventor creatively utilizes high-frequency high-voltage current to process the pearl fine powder, under the action of electric field force, organic molecules such as shell keratin and the like are polarized, the electric polarity is shown, the attractive force between molecules is damaged, the molecular distance is increased, malic acid can fully act on the interior of the pearl fine powder, and then high-frequency high-voltage current is introduced to generate oscillation through the malic acid, so that protein molecules are degraded to form small molecular peptide.
In addition, the invention also provides application of the sunscreen repair agent in preparation of cosmetics with sunscreen repair functions.
Compared with the prior art, the invention has the advantages that:
(1) the sunscreen repairing agent provided by the invention is good in use comfort, free of greasy feeling, easy to absorb, good in moistening property, mild in property, safe, effective and free of stimulation, and not only has a good sunscreen performance, but also has a good repairing effect on sunburn injuries such as dryness, desquamation and redness.
(2) The sunscreen repair agent provided by the invention is in a liquid state, is easy to apply, keeps a homogeneous and clear state under the conditions of high temperature, low temperature and centrifugation, has good stability, overcomes the defects of micro powder precipitation, pore blockage and roughness caused by the traditional chemical sunscreen agent in the storage process, and prolongs the quality guarantee period of the product.
Detailed Description
The present invention will be further described below by way of specific embodiments, but the present invention is not limited to only the following examples.
EXAMPLE 1 preparation of Cyclodextrin derivatives
Weighing 100g of cyclodextrin, dissolving in water to prepare a solution with the concentration of 2% (m/v), adding 20g of konjac glucomannan in an equivalent increasing mode under the stirring condition, stirring until the solution is clear, dropwise adding a sodium tripolyphosphate solution, wherein the final concentration of the sodium tripolyphosphate in the solution is 1% (m/v), continuously stirring for 40min, vortexing for 8min, centrifuging the liquid at the rotating speed of 20000rpm for 15min, taking the precipitate, and carrying out vacuum freeze drying for 12h to obtain the cyclodextrin grafted konjac glucomannan derivative.
Example 2 preparation of Cyclodextrin complexes
| Group of | Cyclodextrin derivatives | Plant active ingredient |
| Group A | Cyclodextrin derivative prepared in example 1 100g | 20g (containing chlorophyll: 12.5g, lycopene 7.5g) |
| Group B | Cyclodextrin derivative prepared in example 1 100g | 20g (containing chlorophyll: 5g, lycopene 5g) |
| Group C | Cyclodextrin derivative prepared in example 1 100g | 20g (chlorophyll only) |
| Group D | Replacement with Cyclodextrin 100g | 20g (containing chlorophyll: 12.5g, lycopene 7.5g) |
Preparation of group a cyclodextrin complexes:
weighing chlorophyll and lycopene, mixing, dissolving with ethanol, slowly adding dropwise the previously dissolved cyclodextrin derivative saturated water solution, performing magnetotherapy, stirring, hydrating for 40min, standing at room temperature for 1h, drying under reduced pressure, and sieving with 80 mesh sieve to obtain cyclodextrin complex.
Preparation of cyclodextrin complexes of groups B-D reference is made to group A above.
EXAMPLE 3 preparation of Pearl active peptides
(1) Grinding pearls into fine powder, adding 60% (m/v) of sodium lactate aqueous solution according to the material-liquid ratio of 1:5, ultrasonically mixing uniformly, adding malic acid while stirring until the malic acid is completely dissolved to ensure that the final concentration of the malic acid in a system is 0.4%, introducing normal-pressure forward current into the solution at room temperature, treating for 12s, introducing normal-pressure reverse current, treating for 6s, introducing high-frequency high-voltage current, treating for 60min at the frequency of 7000 Hz and the voltage of 5000V, and cutting off the power supply to obtain a treatment solution;
(2) and (2) dropwise adding a proper amount of glycine buffer solution into the treatment solution obtained in the step (1), regulating the pH value to be neutral, centrifuging, collecting supernatant, and drying the supernatant under reduced pressure to obtain the pearl active peptide.
The prepared pearl active peptide is detected by referring to the liquid chromatography condition in Chinese patent CN 103333222B 'a pearl natural active peptide with whitening function and an extraction method and application thereof', the molecular weight of the prepared pearl active peptide reaches more than 60% in the content of 100-500 Da, and the content of the micromolecule active peptide is high.
Examples 4-5 and comparative examples 1-5 preparation of sunscreen repair Agents
The compositions of the sunscreen repair agents of examples 4-5 and comparative examples 1-5 of the present invention are shown in the following table (by weight), wherein the pearl active peptide is prepared from example 3.
Example 4 preparation of sunscreen repair agent:
dissolving cyclodextrin complex in water, sequentially adding hydrolyzed oat protein, herba Euphrasiae Regelii extract, Margarita active peptide, N-acetyl glucosamine, and phenyllactic acid, mixing, hot filling, and cooling to room temperature.
Example 5 and comparative examples 1-5 sunscreen repair formulations were prepared according to the methods described above.
Test example I, patch test on human skin
The sunscreen repair agents of examples 4-5 and comparative examples 1-5 of the invention are tested according to related requirements and determination methods of a human skin patch test in 2015 edition of cosmetic hygiene code issued by Ministry of health, skin reactions are observed at 0h, 6h, 12h, 24h and 48h respectively, the experimental results of all volunteers are negative results, and no adverse skin reactions occur. The sunscreen repairing agent provided by the invention is free of irritation and high in safety.
Test example two, stability test
The sunscreen repair agents of the invention in the embodiments 4-5 and the comparative examples 1-5 are taken to carry out high and low temperature storage stability tests and centrifugal stability test investigation, and the test conditions are as follows: 1) high temperature stability test: placing in an electric heating constant temperature incubator at 40 deg.C for 30 days, and observing after recovering room temperature; 2) low-temperature stability test: storing at-15 deg.C for 1 week, and observing its stability; 3) and (3) centrifugal stability test: 4000r/min X30 min, the results are shown in Table 1 below.
Table 1 stability test results for sunscreen repair agents of each group
| Group of | Appearance of the product | High temperature stability | Stability at Low temperature | Centrifugal stability |
| Example 4 | Homogeneous clear liquid | Is normal | Is normal | Is normal |
| Example 5 | Homogeneous clear liquid | Is normal | Is normal | Is normal |
| Comparative example 1 | Homogeneous clear liquid | Is normal | Is normal | Is normal |
| Comparative example 2 | Homogeneous clarificationMing liquid | Is normal | Layering | Layering |
| Comparative example 3 | Homogeneous clear liquid | Is normal | Is normal | Is normal |
| Comparative example 4 | Homogeneous clear liquid | Is normal | Is normal | Is normal |
| Comparative example 5 | Homogeneous clear liquid | Layering | Layering | Layering |
As can be seen from the above table, the sunscreen repair agents prepared in examples 4 and 5 of the present invention have good stability, and maintain a homogeneous and clear liquid state when stored at high and low temperatures or subjected to a centrifugal test. As shown in comparative example 2, the cyclodextrin is adopted to prepare the plant active ingredient inclusion compound, the further prepared sun-screening repair agent has good stability under the high-temperature condition, but the layering phenomenon appears under the low-temperature condition and the centrifugal test, which shows that the cyclodextrin is grafted with konjac glucomannan, and the prepared cyclodextrin derivative can improve the stability of the cyclodextrin compound in the system. As can be seen from the comparative example 5, the preparation of the sunscreen repair agent by replacing the pearl active peptide with the nano pearl powder can obtain homogeneous clear liquid which is unstable under the conditions of high temperature, low temperature and centrifugation and has the phenomenon of layering.
Test example III test of Sun protection Properties
The sun protection repairing agents prepared in the embodiments 4-5 and the comparative examples 1-5 of the invention are respectively subjected to sun protection factor (SPF value) and long-wave ultraviolet protection factor (PFA value) measurement, and the specific scheme is as follows: 1) SPF determination: refer to the requirements and methods for determining sun protection factor (SPF value) of sunscreen cosmetic in the "standards for cosmetic hygiene" (2007 edition) of the ministry of health. 2) PFA value determination: the test results are shown in table 2 below, referring to the relevant requirements and test methods of "method for measuring long-wave ultraviolet protection index (PFA value) of sunscreen cosmetics" in the cosmetics health code of the ministry of health (2007 edition).
Table 2 sunscreen effect test results of each group of sunscreen repair agents
| Group of | Example 4 | Example 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 |
| SPF value | 27 | 25 | 10 | 22 | 18 | 14 | 18 |
| PFA value | 9 | 8 | 2 | 6 | 5 | 4 | 6 |
| PA grade | PA+++ | PA+++ | PA+ | PA++ | PA++ | PA+ | PA++ |
As can be seen from the above table, the SPF values of the sunscreen repair agents prepared in examples 4 to 5 of the present invention are above 25, and the PA grades both reach PA + + +, which indicates that the sunscreen repair agents provided by the present invention have good absorption and blocking properties for both UVB and UVA, and have significant sunscreen effects. According to the comparative example 1, the sun-screening performance of the sun-screening repair agent can be effectively improved by compounding the lycopene and the chlorophyll; compared with cyclodextrin, the cyclodextrin grafted konjac glucomannan has a certain promotion effect on the sun-screening effect of the sun-screening repair agent as shown in the comparative example 2; as shown in comparative examples 3, 4 and 5, the sunscreen effect of the sunscreen repair agent prepared by lack of the millet extract or the pearl active peptide or replacement of the pearl active peptide by the nano pearl powder is weakened, which indicates that the millet extract and the pearl active peptide have certain sunscreen effect.
Test example four test of repair after drying
120 volunteer patients with different degrees of sun-cured injuries on the face are screened, symptoms of the sun-cured injuries are respectively red, swollen, peeled and dry, the patients are randomly divided into 6 groups, 20 people in each group are respectively an example 4 group and a comparative example 1-5 group, the sun-resistant repairing agents prepared in the example 4 and the comparative example 1-5 are respectively used for each group, the patients are continuously used for 1 time in the morning and evening for 2 weeks, evaluation and use feelings are given, the use effects are divided into 0-10 groups according to the use effects, 9-10 groups are good, 7-8 groups are good, 5-6 groups are general, 3-4 groups are poor, 1-2 groups are poor, the average value is taken, the skin injury repairing conditions of the groups of the volunteer patients after sun-curing are evaluated, and the results are shown in the following tables 3 and 4.
TABLE 3 sensory evaluation results of the use of sunscreen boosters in each group
| Index (I) | Example 4 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 |
| Absorption effect | 9.4 | 8.6 | 8.0 | 7.2 | 6.8 | 7.9 |
| Spreadability | 9.0 | 9.0 | 8.5 | 8.3 | 8.2 | 8.0 |
| Degree of freshness | 8.8 | 8.2 | 8.2 | 7.9 | 7.8 | 8.2 |
| Moistening property | 9.2 | 8.5 | 8.4 | 7.0 | 6.7 | 7.7 |
| General feeling | 9.2 | 8.4 | 8.2 | 7.5 | 7.2 | 7.8 |
TABLE 4 after-Sun repair Effect of the sunscreen repair Agents of each group
As can be seen from table 3 above, the sunscreen adsorbent prepared in example 4 of the present invention has no greasy feeling, is excellent in refreshing property, is easy to absorb, has good moisturizing property, and is significantly superior to the repairing agents prepared in comparative examples 1 to 4.
As can be seen from table 4 above, the sunscreen repair agent prepared in example 4 of the present invention not only has good sunscreen performance, but also has certain therapeutic effects on discomfort symptoms caused by sunburn, such as dryness, desquamation, and redness and swelling, and can promote the repair of sunburn wounds. From comparative examples 1 to 5, it can be seen that the change of the ingredients in the formulation has different degrees of influence on the repair function of the sunscreen repair agent, especially when the formulation lacks the eyebright extract and the pearl active peptide has damage symptoms after sunburn: dryness, peeling and redness are the most influential.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (7)
1. The sun-screening repair agent is characterized by comprising the following components in parts by weight: 1-10 parts of hydrolyzed oat protein, 1-10 parts of cyclodextrin compound, 0.5-6 parts of eyebright extract, 0.5-6 parts of pearl active peptide, 1-6 parts of N-acetylglucosamine, 0.01-1 part of phenyllactic acid and 40-70 parts of water;
the cyclodextrin compound consists of a cyclodextrin derivative and a plant active ingredient in a mass ratio of 1: 0.01-0.4; the plant active ingredients comprise chlorophyll and lycopene in a mass ratio of 1: 0.1-1, and the cyclodextrin derivatives are cyclodextrin grafted konjac glucomannan derivatives;
the preparation of the cyclodextrin complex comprises the following steps:
(1) preparation of cyclodextrin derivatives: weighing cyclodextrin, dissolving in water to prepare a solution with the concentration of 2% (m/v), adding konjac glucomannan in an equivalent increasing mode under the stirring condition, stirring until the solution is clear, dropwise adding a sodium tripolyphosphate solution, wherein the final concentration of the sodium tripolyphosphate in the solution is 1-2% (m/v), continuously stirring for 30-60 min, vortexing for 5-10 min, centrifuging the liquid at the rotation speed of 20000rpm for 15min, taking a precipitate, and carrying out vacuum freeze drying for 12h to obtain the cyclodextrin grafted konjac glucomannan derivative;
(2) preparation of the complex: weighing plant active ingredients, dissolving the plant active ingredients with ethanol, slowly dropwise adding a cyclodextrin derivative saturated aqueous solution dissolved in advance, carrying out magnetotherapy stirring hydration reaction for 30-60 min, standing at room temperature for 1-2 h, drying under reduced pressure, and sieving with a 80-150-mesh sieve to obtain a cyclodextrin compound;
the preparation method of the pearl active peptide comprises the following steps:
(1) grinding pearls into fine powder, adding 60% (m/v) of sodium lactate aqueous solution according to the material-liquid ratio of 1:5, ultrasonically mixing uniformly, adding malic acid while stirring until the malic acid is completely dissolved to ensure that the final concentration of the malic acid in a system is 0.2-0.5%, introducing normal-pressure forward current into the solution at room temperature, treating for 10-15 s, introducing normal-pressure reverse current, treating for 5-10 s, introducing high-frequency high-voltage current, and cutting off the power supply after treating for 60-90 min to obtain a treatment solution;
(2) and (2) dropwise adding a proper amount of glycine buffer solution into the treatment solution obtained in the step (1), regulating the pH value to be neutral, centrifuging, collecting supernatant, and drying the supernatant under reduced pressure to obtain the composition.
2. The sunscreen healing agent according to claim 1, wherein the sunscreen healing agent comprises the following components in parts by weight: 4-6 parts of hydrolyzed oat protein, 4-8 parts of cyclodextrin compound, 1-2 parts of eyebright extract, 2-4 parts of pearl active peptide, 2-4 parts of N-acetylglucosamine, 0.2-0.6 part of phenyllactic acid and 60-70 parts of water.
3. The sunscreen restoration agent according to claim 1, wherein the cyclodextrin complex is composed of a cyclodextrin derivative and a plant active ingredient in a mass ratio of 1: 0.2; the plant active ingredients comprise chlorophyll and lycopene according to the mass ratio of 1: 0.6.
4. The sunscreen restoration agent according to claim 1, wherein the konjac glucomannan in step (1) is added in an amount of 10-30% by weight of the cyclodextrin.
5. The sun-screening repair agent according to claim 1, wherein the preparation step (1) of the pearl active peptide is carried out for 12s by applying normal-pressure forward current and 6s by applying normal-pressure reverse current.
6. The sunscreen repair agent of claim 1, wherein the frequency of the high-frequency high-voltage current in the preparation step (1) of the pearl active peptide is 6000 to 9000 Hz, and the voltage is 4000 to 8000V.
7. Use of the sunscreen restoration agent as defined in any one of claims 1 to 6 in the preparation of a cosmetic having sunscreen restoration function.
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| CN104688652A (en) * | 2015-03-17 | 2015-06-10 | 欧诗漫生物股份有限公司 | Cosmetic composition for skin whitening and preparation method thereof |
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| CN106726688A (en) * | 2016-12-23 | 2017-05-31 | 叶宗瑞 | A kind of sun-proof repair cream and preparation method thereof |
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| US6368579B1 (en) * | 2000-08-08 | 2002-04-09 | Teresa Leigh Barr | Oat protein complex sunblock and method of use |
| CN102846485A (en) * | 2012-08-31 | 2013-01-02 | 广州市科玮生物技术有限公司 | Chlorophyll sun-screening repair cosmetic |
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