32results about How to "Does not cause irritation" patented technology

A topsheet for absorbent articles having absorbing performance for smoothly transferring liquid body waste, e.g., menstrual blood or urine, to an underlying absorbent member and surface characteristics such that the surface thereof in contact with wearer's skin is soft enough not to cause skin irritation. The topsheet 1 comprises a first layer 11 disposed on the side of a wearer and a second layer 12 disposed on the side of an absorbent member, the first layer and the second layer being partly joined together, and having protrusions and depressions on the side of a wearer, wherein the first and second layers each comprise a fiber aggregate, the first layer has fusion-bonded fiber intersections, the first layer has an apparent thickness (t1) of 0.1 to 5 mm, the second layer has an apparent thickness (t2) of 0.2 to 3 mm, the apparent thickness ratio of the first layer to the second layer (t1 / t2) is 0.5 to 8, the first layer has a fiber density (d1) of 0.001 to 0.05 g / cm<3>, the second layer has a fiber density (d2) of 0.03 to 0.2 g / cm<3>, and the fiber density (d2) of the second layer is higher than that (d1) of the first layer.

A flavor and fragrance composition with a cooling sensation effect comprising 1-(2-hydroxy-4-methylcyclohexyl)ethanone represented by the formula (1). The flavor and fragrance composition is added to a beverage or food product, a fragrance or cosmetic product, a daily utensil product, an oral composition, or a pharmaceutical product in the range of 0.0001 to 20wt% by weight to the total weight of the flavor and fragrance composition added.

The invention provides a medical cold compress plaster. The medical cold compress plaster is composed of a support layer, a gel layer and an isolating layer, and has the special shape according with the physiological curve of the applied part. An oil phase and a water phase forming the hydrophilic gel layer respectively comprise the following components in percentage by weight: the oil phase: 20-35% of a dispersing agent, 5-7% of macromolecule resin, 0.05-0.15% of dihydroxyaluminium aminoacetate, 0.01-0.15% of ethylene diamine tetraacetic acid, 0.15% of absolute ethyl alcohol, 0.04-0.1% of menthol, 0.1-1% of vitamin E, and 0.05-0.1% of triclosan; the water phase: 0.2-0.8% of tartaric acid, 1.2-2% of carbomer, 0.5-1% of sodium carboxymethylcellulose, 0.01-0.1% of vitamin C, the balance of medical purified water, and the total weight percentage is 100%. A preparation process comprises the following steps: dispersing all the components of the oil phase into the dispersing agent, and uniformly stirring the components; dissolving all the components of the water phase into water, and uniformly stirring the components; mixing the water phase and the oil phase, uniformly stirring the water phase and the oil phase in a vacuum mixing pot, thus obtaining the hydrophilic gel substrate of the medical cold compress plaster, coating the support layer with the hydrophilic gel substrate, meanwhile covering with the isolating layer, and carrying out cutting, solidifying and packaging to obtain the needed medical cold compress plaster product.

The present invention provides an alarm sensitivity detection method and apparatus for a driver state early warning system. The alarm sensitivity detection method includes a fatigue determining step, a lane keeping ability determination step, a road danger degree determination step and an alarm sensitivity determination step; according to the fatigue determining step, the face of a driver is photographed, the eye and mouth images of the driver are identified through image analysis, and fatigue degree is determined through an algorithm; according to the lane keeping ability determination step, the lane keeping ability of the driver is determined based on steering information and lane change information in vehicle driving information; according to the road danger degree determination step, road danger degree is determined based on road position information and vehicle speed; and according to the alarm sensitivity determination step, the degree of alarm sensitivity is determined according to the fatigue degree, the lane keeping ability and the road danger degree. According to the alarm sensitivity detection method and apparatus for the driver state early warning system of the invention, the alarm sensitivity of the driver state early warning system is detected based on the fatigue degree of the driver, the lane keeping ability and the road danger degree, and therefore, detection accuracy can be improved, and the abnormal driving state of the driver can be monitored and warned in real time, and the safety of vehicle driving can be ensured more effectively.

The invention discloses sustained-release type fragrant water-based ink. The sustained-release type fragrant water-based ink is prepared from components in parts by weight as follows: 35-55 parts of a waterborne acrylic resin emulsion, 15-35 parts of ethanol, 10-20 parts of fragrant sustained-release microcapsules, 10-15 parts of pigment, 1-2 parts of a dispersing agent, 0.2-1 part of a leveling agent, 0.2-0.5 parts of a defoaming agent and 30-55 parts of deionized water. The production process is simple, the production cost is low, the compound perfume encapsulation rate is high and can reach 95%, the sudden release amount is small, the release is stable, perfume is wrapped in the sustained-release microcapsules and is not easy to volatize in the storage and processing process, printed products have lasting fragrance, and the sustained-release type fragrant water-based ink can be applied to printed products integrating vision and smell effects, for example, magazines, advertisements, postcards, greeting cards, calendars, cosmetics and food.

The invention discloses a waterborne epoxy composite cement mortar material. The material comprises a component A, a component B and a component C in the mass ratio being (0.5-1.5): (1-3): (12-18), wherein the component A is a waterborne epoxy emulsion, the component B is prepared from, in parts by weight, 3-10 parts of water, 3-10 parts of a curing agent and 0.01-0.1 parts of a defoaming agent, and the component C is prepared from 30-60 parts of quartz sand, 20-40 parts of cement, 0.1-0.5 parts of a water reducer, 0.2-1.0 part of an additive and 0.1-1.0 part of a defoaming agent. The material is green, environment-friendly and low in cost, has good matching performance in concrete, can be cured in humid interfaces and has reinforcement and permeation resistance functions, the problem that traditional floor coatings peel or have bubbles is solved, the one-time forming thickness can reach 2 mm or above, basic planes are easy to level, and construction is easy. The invention further discloses preparation and construction methods of the material. The preparation condition is mild, the method is simple and suitable for large-scale industrial production, the construction process is simple and feasible, and the construction cost is low.

The invention discloses a tea fungus synthesized bacterial cellulose pressure sore dressing as well as a preparation method and the application thereof. The tea fungus synthesized bacterial cellulose pressure sore dressing is a tea fungus synthesized bacterial cellulose membrane, and the cellulose component is mainly formed by secretion and synthesis of tea fungus strains in the fermentation culturing process in a sugar tea culture medium containing carboxymethyl chitosan; the water absorption rate of the dressing is 89-94.3%, the porosity is 85-91.2%, and the water vapor transmission rate is between 1,383.5 g.m<-2>.d<-1> and 1,486.5 g.m<-2>.d<-1>. According to the invention, since the nano bacterial cellulose pressure sore dressing is prepared with a sugar tea fermentation method by adopting the tea fungus, the method for synthesis of bacterial cellulose has the advantages of low cost, low environment requirement for synthesis sites and simple technical requirements; the nano bacterial cellulose material has favorable biosecurity and histocompatibility, which cannot cause stimulation and sensitization to a wound surface, and is conducive to the promotion of wound healing.

Resveratrol, a component found in common edible plants, including peanuts and red grapes, is a phytoestrogen. Resveratrol can inhibit the proliferation of skin epidermal cells (keratinocytes) and promote their differentiation. Resveratrol has also been found to relieve skin irritation caused by alpha hydroxy acids. Resveratrol is effective in improving the appearance of wrinkled, lined, dry, flaky, aged or photodamaged skin and improving skin thickness, elasticity, flexibility, radiance, radiance and fullness.

The invention relates to a sunscreen skin care product, which contains a sunscreen additive, wherein the sunscreen additive is peanut shell general flavones and / or flos sophorae general flavones or a mixture of the peanut shell general flavones, the flos sophorae general flavones and nanometer TiO2; when the peanut shell general flavones are added independently, the weight percentage of the peanut shell general flavones is 0.5 to 5 percent; when the flos sophorae general flavones are added independently, the weight percentage of the flos sophorae general flavones is 0.6 to 6 percent; and when the peanut shell general flavones and the flos sophorae general flavones are added to be compounded or the peanut shell general flavones and the flos sophorae general flavones are added to be compounded with the nanometer TiO2, the total addition amount of the peanut shell general flavones and the flos sophorae general flavones is 0.5 to 6 percent. According to the sunscreen skin care product, peanut shells or flos sophorae which is low in cost and readily available is used as raw materials, and flavonoid compounds which are contained in the peanut shells or the flos sophorae are extracted, and are blended scientifically and reasonably to form the sunscreen skin care product. The flavonoid compounds in the peanut shells or the flos sophorae have good functions of absorbing ultraviolet rays and repairing sunburned skin, and the prepared skin care product does not have adverse reaction such as irritation, allergy and the like or side effect on human bodies, has a good sunscreen effect, and is stable in quality and easy to produce and store.

The invention discloses a bioabsorbable polyphosphoester amino acid copolymer material, which is formed by preparing caprolactam, alpha-amino acid and phosphate, wherein caprolactam and alpha-amino acid are firstly polymerized to form a polybasic amino acid amide structural polymer; the polybasic amino acid amide structural polymer and phosphate are formed to be polyphosphoester amino acid copolymer. The polyphosphoester amino acid copolymer has good hydrophilia and degradation property, excellent physical performance, and can reduce the pH value of the product to 6.5-7.5 without stimulus response; the effect of internal repair is good, and the clinical application prospect is good.

The invention discloses recovery essential oil for sensitive skin and a preparation method of same. The recovery essential oil is prepared from, by mass, 50-65% of macadimia nut oil, 15-20% of squalane, 2-5% of phytosterol, 2-6% of wheat germ oil, 5-10% of chamomile essential oil, 2-5% of helichrysum italicum essential oil, 1-2% of rosemary leaf oil, 0.2-0.5% of opopanax oil, 1-2% of vitamin E, and 0.2-0.5% of blue chamomile. All the essential oil components in the invention are pure plant-sourced products, so that the recovery essential oil is safe and green and has good permeability, can moisten skin, effectively alleviates various discomforts due to sensitive skin and reduces skin allergic symptoms, such as red rash on facial skin, itching, stabbing pain, dull skin and the like. The essential oil has the refreshing smell of blue chamomile and can heal skin from interior to exterior.

The present invention provides an adhesive material to be adhered to the skin etc., which maintains, for a certain time period after adhesion thereof to the skin surface, suitable adhesiveness that does not allow easy peeling or cause irritation to the skin, and which permits, when it is to be peeled off from the skin surface after the lapse of a desired certain time period, easy peeling without causing pain or physical irritation, and an adhesive preparation containing the adhesive material and a percutaneously absorbable drug in the adhesive layer. Specifically, the present invention provides an adhesive material containing a support and an adhesive layer laminated on one surface of the support, wherein the adhesive layer has an apparent viscosity at 30 DEG C. of 0.2x10<4>to 10x10<4>Pa.s and comprises two kinds of synthetic rubbers having different flowability.

The present invention relates to a matrix type patch for the transdermal delivery of a bronchodilator which is consisted of a backing layer, a pressure-sensitive adhesive layer comprising a drug, and a release liner, wherein the said pressure-sensitive adhesive layer comprises as the drug component at least one of brochodilators selected from a group consisting of formoterol, salmeterol, tulobuterol, clenbuterol and the like; cationic polymers enhancing skin-permeability of the said drug components; solubilizing agents of the drug components; and pressure sensitive adhesives. The matrix type patch according to the present invention provides high skin permeability of the drug by using cationic polymeric absorption enhancers, sustained duration of the drug action for a prolonged time and excellent adhesion to the skin without causing irritation.

The invention discloses application of a biologically absorbable polyphosphate and amino acid copolymer to preparation of a repairing material. The polyphosphate and amino acid copolymer is prepared from caprolactam, alpha-amino acid and phosphate, wherein the caprolactam and the alpha-amino acid are firstly polymerized to form a polymer with a multi-component amino acid amide structure; the polymer with the multi-component amino acid amide structure and the phosphate form the polyphosphate and amino acid copolymer. The invention further discloses a blend formed by the polyphosphate and amino acid copolymer and other materials. The polyphosphate and amino acid copolymer is used as the repairing material and has good hydrophilcity and degrading performance, and good mechanical properties; the pH (Potential of Hydrogen) of a degraded product is 6.5 to 7.5 and stimulation reaction is not caused; the polyphosphate and amino acid copolymer has good effect when being used for in-vivo repairing, and can also form the blend with other materials; the polyphosphate and amino acid copolymer has good clinical application prospect.

The invention relates to a moisturizing anti-wrinkle facial mask and a preparation method thereof. The moisturizing anti-wrinkle facial mask is prepared from the following components of an emulsifyingagent, a moisturizing agent, a preservative, skin moisten grease, a PH adjusting agent, anti-wrinkle restore matter and the balance of distilled water. The anti-wrinkle restore matter is prepared from the following ingredients of a Chrysanthemum bud extract, an aloe pectin extract, a calendula flower extract and a lemon extract. The preparation method comprises the following steps of S1 preparation of the anti-wrinkle restore matter, S11 preparation of the chrysanthemum bud extract, S12 preparation of the aloe pectin extraction, S13 preparation of the calendula flower extract, S14 preparationof the lemon extract and S2 preparation of the moisturizing anti-wrinkle facial mask. The moisturizing anti-wrinkle facial mask has the excellent effects of moisturizing, water retaining, allergy releasing, oxidation resistance and stain fading and repairing.

The invention discloses a mosquito repelling patch. The patch comprises a non-woven fabric layer, a Chinese herbal medicine bag, an adhesive sticker layer and release paper which are arranged in sequence; an essential oil mixture is dipped on the non-woven fabric layer and prepared from marjoram essential oil, eucalyptus essential oil, salvia officinalis essential oil and deionized water; the Chinese herbal medicine bag is composed of a non-woven fabric bag and a Chinese herbal medicine mixture in the non-woven fabric bag, and the Chinese herbal medicine mixture is prepared from lonicera japonica, radix angelicae dahuricae, rhizoma cyperi, henry woodbetony roots, radix salviae miltiorrhizae, lilies and mint. The mosquito repelling patch has a cross composition and is scientifically prepared, the effective components are the essential oil mixture and the Chinese herbal medicine mixture, skin can be prevented from being bitten by mosquitoes during use, and meanwhile the effect of soothing and calming the nerve can also be achieved.

The invention discloses an anti-wrinkle skin-tendering emulsion containing natural component extracts and a preparation method thereof. The emulsion is prepared from the following substances: grape seed oil, wheat-germ oil, broccoli juice, pea shoot juice, nicotinamide, vitamin C, synthetic squalane, sodium alginate, carbomer, poloxamer, a self-emulsified compound emulsifier, glycerol, triethanolamine, a 10% ethylenediamine tetraacetic acid disodium solution, a 20% methylparaben alcoholic solution and distilled water. Compared with the prior art, the emulsion has the characteristics of mild property and high safety, O / W type emulsion with uniform and fine texture, freshness without greasy feeling can be prepared by adopting a method of combining natural component extracts and plant essential oil. The emulsion is capable of firming skin and smoothing wrinkles, and exerting certain effects of removing spots, whitening and nourishing, so that the tender and moistened activity of skin can be rejuvenized.

The invention discloses sunblocking cream containing natural sunblocking ingredients and a preparation method thereof. The sunblocking cream comprises a component A, a component B and deionized water, wherein the component A consists of 8 to 12 percent of caprylic acid / caprin, 2 to 4 percent of stearic acid, 3 to 6 percent of hexadeca octadecanol, 2.5 to 6 percent of isopropyl palmitate, 1 to 1.6 percent of gyceryl monostearate, and 0.1 percent of propylparaben; the component B consists of 5 to 10 percent of natural plant ingredients, 5 to 8 percent of glycerol, 2 to 2.4 percent of cetanol ether phosphate sylvite, and 0.1 percent of methyl hydroxybenzoate; the balance being the deionized water; and 1 gram of the natural plant ingredients consist of 0.40 to 0.60 gram of grape leaf, 0.25 to 0.50 gram of sweet osmanthus and 0.10 to 0.15 gram of green tea. During the preparation, the natural plant ingredients are prepared firstly. The component A and the component B are respectively heated up to about 80 DEG C so as to be dissolved, and are stirred and mixed evenly; the deionized water is added into the component A and the component B; and the solution is stirred rapidly for complete emulsification and then is cooled down to obtain the sunblocking cream. The sunblocking cream has the advantages that the sunblocking cream has stronger absorption property for medium-wave and long-wave ultraviolet rays, and can effectively prevent the radiation of the ultraviolet rays on skin without generating any adverse reactions such as stimulus and irritability and so on.

The invention discloses a preparation method of a biologically absorbable polyphosphate and amino acid copolymer material. The preparation method comprises the following steps: 1) dehydrating alpha-amino acid and caprolactam under the protection of inert gas at 150 DEG C to 200 DEG C; 2) reacting at 190 DEG C to 260 DEG C and finishing polymerization reaction to form a polymer with a multi-component amino acid amide structure; 3) adding phosphate and reacting at 200 DEG C to 260 DEG C for 0.5h to 2h and finishing ring-opening copolymerization reaction; cooling to room temperature under the protection of the inert gas to obtain a product. A polyphosphate and amino acid copolymer prepared by the method has good hydrophilcity and degrading performance, and good mechanical properties; the pH (Potential of Hydrogen) of a degraded product is 6.5 to 7.5 and stimulation reaction is not caused; the polyphosphate and amino acid copolymer has good effect when being used for in-vivo repairing and has good clinical application prospect.

The multifunctional oral orthopetical device centralizes the advantages of Chinese medicine, far infrared radiation and mechanical tension. Its orthopetical clack has screw hole at the lower bottom for the screw bolt to screw in, and the screw bolt of stainless steel has inverse screw at its two ends and middle screw-free part for hand to turn. Two orthopetical clacks are screwed in from two ends of the screw bolt and are perpendicular to each other. Each of orthopetical clacks has five or more medicine holding slots for Chinese medicine to insert and to locate between oral mucous membrane and gum. The present invention is safe and reliable and has no negative effect to oral cavity.

Disclosed is a preparation which, in an orally fast-disintegrating tablet having as an active ingredient 2-(3-cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazole carboxylic acid, causes basically no irritation in the mouth or throat, retains good dissolvability and oral disintegration even when stored under high temperature or high humidity conditions. The disclosed orally fast-disintegrating tablet is formed to contain particles comprising nuclear particles which contain 2-(3-cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazole carboxylic acid, which are covered by a layer containing a methacrylic acid copolymer, and which are further coated with an outer layer containing water-soluble sugars, such that after two weeks of storage under conditions with the cap open at 40C / 75% RH, a dissolution test performed according to the Japanese Pharmacopoeia Paddle Method at 50 revolutions per minute (test solution: pH6.0McIlvaine buffer) evaluates the dissolution rate of the 2-(3-cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazole carboxylic acid at 70% or greater after 10 minutes.

The invention relates to the technical field of cosmetics and discloses bandage type body wrap and a body skin care method. The bandage type body wrap comprises a body wrap substrate and essence adsorbed on the body wrap substrate, wherein the body wrap substrate is a bandage; the essence contains active components and base components, and the active components comprise a dendrobium officinale extract, superoxide dismutase, squalane and a licorice extract. The body skin care method comprises the step of winding the bandage type body wrap around a body part. The bandage type body wrap can be used at any part of the body, is convenient to use, high in universality and tightly attached, facilitates nutrition uptake, has no skin irritation and can maintain skin moisture effectively, promote repair and regeneration, delay skin senescence and recover skin elasticity.

The invention discloses a marine bioactive peptide capable of effectively relieving skin sunburn, and a preparation method and application of the marine bioactive peptide. The marine bioactive peptide is small in molecular weight, good in skin compatibility and capable of remarkably reducing apoptosis and necrosis of cells irradiated by ultraviolet rays and reducing true dermatitis exudation and elastic fibre degradation. The preparation method of the marine bioactive peptide comprises the following steps of: taking a soft part of a fresh marine shellfish, carrying out protease enzymolysis, ultrafiltration and sephadex separation, discarding the last elution single peak, respectively collecting or mixing other elution components, and performing freeze-drying to obtain the marine bioactive peptide. The method is simple, low in cost, green, environment-friendly, short in production cycle and suitable for industrial production; the prepared active peptide has the effects of preventing and repairing skin sunburn and can be applied to cosmetics and biomedical materials; the cosmetic dosage forms include cream, emulsion, gel, jelly, water aqua, mist spray and the like; and dosage forms of the biomedical material comprise lotion, solution, dressing (thin film, hydrocolloid, hydrogel, sponge and spray), ointment, injection and the like.

The invention provides a multi-phase coated micro-emulsified cleansing oil, which comprises the following components in percentage by mass: an antioxidant component comprising 1-10% of peony seed oil and 1-10% of jojoba ester oil; an emulsifying component, which is prepared from 1%-10% of polyglycerol 10-dioleate, 1%-10% of polyglycerol-6 dicaprate and 1%-10% of polyglycerol-2 oleate, wherein a polyglycerol part in the polyglycerol 10-dioleate, the polyglycerol-6 dicaprate and the polyglycerol-2 oleate is of a cyclic chain structure; and a solvent grease component, which comprises 25%-35% of caprylic / capric triglyceride, 10%-30% of isononyl isononanoate and 10%-30% of a stabilizer. The facial cleansing oil provided by the invention is added with functional active ingredients with oxidation resistance, such as the peony seed oil, and the ingredients are natural and mild, so that after the facial cleansing oil is used, the skin has a good hydration effect, the feeling is fresh and not sticky, and the skin irritation, allergy and other reactions are not caused.

The invention discloses a preparation method of a biologically absorbable polyphosphate and amino acid copolymer material. The preparation method comprises the following steps: 1) dehydrating alpha-amino acid and caprolactam under the protection of inert gas at 150 DEG C to 200 DEG C; 2) reacting at 190 DEG C to 260 DEG C and finishing polymerization reaction to form a polymer with a multi-component amino acid amide structure; 3) adding phosphate and reacting at 200 DEG C to 260 DEG C for 0.5h to 2h and finishing ring-opening copolymerization reaction; cooling to room temperature under the protection of the inert gas to obtain a product. A polyphosphate and amino acid copolymer prepared by the method has good hydrophilcity and degrading performance, and good mechanical properties; the pH (Potential of Hydrogen) of a degraded product is 6.5 to 7.5 and stimulation reaction is not caused; the polyphosphate and amino acid copolymer has good effect when being used for in-vivo repairing and has good clinical application prospect.

The invention discloses a preparation method of a cosmetic containing organosilicon elastic powder composition. The preparation method comprises the following steps: Step 1, stirring 82.75% of purified water and 5% of butanediol with a homogenizer at 2500 rpm; Step 2, adding 10% of the organosilicon elastic powder composition to a result of the Step 1 and then quickly stirring the mixture at a revolution speed of 3000 rpm for 5 minutes by the homogenizer; Step 3, adding 0.25% of hydroxyethyl acrylate / sodium acryloyldimethyl taurate copolymer to the result of the Step 2, and stirring the mixture at 4000 rpm for 5 minutes by using the homogenizer; and Step 4, cooling the result of Step 3 to 45-50 DEG C, further cooling the result of Step 3 to 30 DEG C or below by adding 2% of 1,2-hexanedioland carrying out stirring with the homogenizer at 2500 rpm for 1 minute, and finishing the process. The invention can temporarily improve wrinkles without clogging skin pores by wrapping continuous phases with a water-soluble material, thus causing no skin irritation inflammation.

The invention provides a flower foliage sprayed fertilizer and a preparation method thereof. The flower foliage sprayed fertilizer is prepared from the components of urea, propylene glycol, sodium chloride, magnesium sulfate, ammonium sulfate, matured excrement, kelp, multiple microorganisms, polysiphonia urceolata and water. The flower foliage sprayed fertilizer prepared by the invention can meet requirements of flowers for fertilizers in growing; when being used, the flower foliage sprayed fertilizer is prevented from being diluted and can be directly sprayed on leaves; after the flower foliage sprayed fertilizer is used, the flowers can grow vigorously, are bright in color and long in flowering time and avoid special conditions of mutation and the like; the flower foliage application fertilizer is suitable for large-scale application, can be applied to landscape flowers and is suitable for large-scale production and manufacturing.

The invention discloses a seaweed extract that can effectively relieve skin sunburn, and a preparation method and application thereof. The preparation method includes the following steps: weighing a certain amount of seaweed, adding 20 to 50 times the volume of water, leaching with boiling water for 0.5 h to 4 h, after cooling, the extract is centrifuged at 3000 g to 10000 g for 10 min to 15 min, and the centrifugation supernatant is successively passed through Suction filtration, ultrafiltration, collection of ultrafiltration retentate, concentration, freeze-drying, that is, it is obtained. The preparation method of the invention can remove components that do not significantly improve the activity of cells irradiated by ultraviolet rays, so that the active components in the seaweed extract that can effectively relieve skin sunburn are highly enriched, thereby improving the physiological efficacy of the seaweed extract and greatly reducing its dosage. The seaweed extract has high safety, can significantly reduce cell apoptosis and necrosis caused by ultraviolet radiation, reduce dermal inflammatory exudation and elastic fiber degradation, and effectively relieve skin UV sunburn.

The invention discloses a bioabsorbable polyphosphoester amino acid copolymer material, which is formed by preparing caprolactam, alpha-amino acid and phosphate, wherein caprolactam and alpha-amino acid are firstly polymerized to form a polybasic amino acid amide structural polymer; the polybasic amino acid amide structural polymer and phosphate are formed to be polyphosphoester amino acid copolymer. The polyphosphoester amino acid copolymer has good hydrophilia and degradation property, excellent physical performance, and can reduce the pH value of the product to 6.5-7.5 without stimulus response; the effect of internal repair is good, and the clinical application prospect is good.