457 results about "Sunscreen cream" patented technology

The present invention is directed to photostable sunscreen and/or artificial tanning compositions including quantum dot nanocrystals of a material selected from semiconductor nanocrystals, modified semiconductor nanocrystals, multicomponent semiconductor/semiconductor nanocrystals, and hybrid semiconductor/metal nanocrystals, the quantum dot nanocrystals having an absorption band gap occurring at wavelengths higher than 400 nm whereby the quantum dot nanocrystals have substantial broadband absorption properties of ultraviolet light at wavelengths across the range of both UV-A (320-400 nm) and UV-B (280-320 nm), and a dermatologically acceptable carrier for the quantum dot nanocrystals. The present invention is further directed to photostable sunscreen and/or artificial tanning compositions including a material selected from metallic nanocrystals, multicomponent metal/metal nanocrystals, and alloyed metal nanocrystals, the metallic material having a surface plasmon resonance occurring sufficiently into the visible or infrared spectral region whereby broad absorption features due to electronic transitions, the broad absorption features located at higher energies, provide substantial broadband absorption properties of ultraviolet light at wavelengths across the range of both UV-A (320-400 nm) and UV-B (280-320 nm), and a dermatologically acceptable carrier for the metallic material.

The invention provides sunscreen cream and a preparation method thereof. In terms of the total weight of the sunscreen cream, the sunscreen cream comprises components as follows: 2%-10% of a physical sunscreen agent, 2%-30% of a chemical sunscreen agent, 0.01%-1% of an antioxidant, 5.5%-20% of grease, 2%-6% of an emulsifier, 3%-15% of a humectant, 0.1%-2% of polypeptide and 10%-85% of water, preferably, 5%-10% of the physical sunscreen agent, 15%-25% of the chemical sunscreen agent, 0.1%-0.8% of the antioxidant, 10%-20% of the grease, 4%-6% of the emulsifier, 8%-15% of the humectant, 0.1%-1.5% of the polypeptide and 22%-53% of the water. The sunscreen cream not only has ultraviolet protection function, but also can protect human tissue from getting infrared ray harm.

A method for calculating a rate of UV radiation absorbed by a user's skin including: capturing image data of an area of the user's skin; determining a skin tone of the user's skin based on the captured image data; calculating a rate of UV radiation absorption for the determined skin tone; measuring an amount of UV radiation exposed to the user's skin; and calculating a rate of UV radiation that would be absorbed by the user's skin based on the user's skin tone and the amount of UV radiation exposed to the user's skin. The method can further comprise calculating an amount of time that the user can be exposed to the amount of UV radiation exposed to the user's skin based on predetermined criteria. The predetermined criteria can at least include an SPF level of sunscreen applied to the user's skin.

The invention discloses a sun cream made of Chinese medicinal composition and a method for producing the same. The sun cream is finely made of the essential component consisting of rutoside and baicalin, and added cream substrate. The effective components of the product can absorb ultraviolet of UVA UVB wavebands, consequently, effects of skin protecting and sunburn preventing are generated.

The invention discloses a method for preparing porous nano TiO2. The method includes steps: according to the weight ratio of titanic acid ester, sublimable compound template, organic solvent, acid and deionized water, (0.001%-80%):(0.00001%-50%):(0.001%-95%):(0.001%-90%):(0.001%-95%), mixing the titanic acid ester, the sublimable compound, the organic solvent and the acid till completely dissolved, adding the deionized water, scattering with ultrasonic for 0.1-20 hours, reacting under stirring at 25-85 DEG C for 0.1-50 hours, ageing for 1-48 hours at room temperature to obtain TiO2 sol containing the sublimate template, removing solvent by means of reduced pressure distillation, drying at 60-130 DEG C, roasting at 150-240 DEG C for 0.1-20 hours, roasting at 250-340 DEG C for 0.1-20 hours, roasting at 350-440 DEG C for 0.1-20 hours, roasting at 450 DEG C for 0.1-20 hours, cooling naturally and grinding to obtain porous nano TiO2 solid powder. The porous nano TiO2 solid powder can be applied to photocatalytic hydrogen production by water decomposition, photocatalytic organic pollutant degradation, ultrasonic absorbing materials, textiles, self-cleaning glass, sunscreen cream, paint, printing ink, food packaging materials, paper industry, space industry and lithium batteries and has wide application prospect. The method is simple and feasible in process, low in investment and beneficial to popularization and application.

The invention discloses a preparation method of silk fibroin nanospheres, which comprises the following steps: dispersing a silk fibroin solution into nanometer liquid drops by an inverse emulsion method, adding polyols under ultrasonic oscillation to promote silk fibroin in the nanometer liquid drops to form a structure insoluble in water, adding high water-absorbing resins to dry and cure the silk fibroin in a microemulsion state so as to obtain silk fibroin nanospheres which are insoluble in water. The silk fibroin nanospheres have good biocompatibility, are nontoxic and harmless for human body, and have no immunogenicity; the preparation process adopts mild technology with a normal temperature, a normal pressure, and no chemical cross-linking agents; therefore, the product can be used as a carrier with biologically-active substances to load enzymes, nucleic acids, polypeptides, protein drugs, and the like; the obtained silk fibroin spheres have small particle sizes, good dispersibility, do not adhere, and can be prepared into various cosmetics, skin care products, sunscreen creams and the like; the silk fibroin spheres have small particles which can run freely in blood, thus can be used as injections and have wide application in fields of disease diagnosis and treatment.

The invention discloses an antiaging sunscreen cream containing natural plant active ingredients. The antiaging sunscreen cream is prepared by using three components including A, B and C, wherein the component A contains 2-8 parts of stearic acid, 1-3 parts of C18 alcohol, 4-8 parts of isopropyl palmitate, 0.5-2 parts of lanolin, 0.1-0.5 part of Tween-60, 0.05-0.25 part of methylparaben and 35-45 parts of deionized water by weight; the component B comprises 0.2-0.8 part of triethanolamine, 6-10 parts of glycerol, 0.5-3 parts of Span-60, 0.2-0.8 part of EDTA (Ethylene Diamine Tetraacetic Acid), 0.5-2 part of azone and 28-35 part of deionized water by weight; and the component C comprises 0.15-0.35 part of vine tea extract, 0.2-0.4 part of licorice extract and 1-3 parts of camellia oleifera seed oil by weight. The antiaging sunscreen cream has a broad-spectrum, stable and strong absorption effect on ultraviolet rays and in particular obtains strong absorbing performance to the ultraviolet rays UVA; meanwhile, the antiaging sunscreen cream also has very good moisturizing, hydrating and antiaging effects on skins.

The invention provides morinda citrifolia enzyme skin whitening sunscreen cream and a preparation method thereof. The morinda citrifolia enzyme skin whitening sunscreen cream, in percentage by weight, comprises the following components: stearin, hexadecyl/octadecyl natural fatty alcohol, caprylic/capric triglyceride, isononyl isononanoate, jojoba oil, polydimethylsiloxane, sterol ester, vitamin E, methylparaben, propylparaben, glycerol, an amino acid moisturizer, allantoin, lauryl alcohol ether, morinda citrifolia enzyme and deionized water. The morinda citrifolia enzyme skin whitening sunscreen cream provided by the invention has obvious free radical scavenging capability, can effectively inhibit growth of melanin and has good ultraviolet absorption effect and realizes skin whitening, sunscreen and skin protection effects, the preparation method is simple and easy to operate, and production cost is relatively low.

The invention relates to a sunscreen cream for sunlight burns resistance of plants, its manufacturing method and its application, and is used for preventing and controlling sunlight burns of high temperature and strong sunlight in summer to crops, fruit trees, vegetables and flower seeding. The sunscreen cream comprises the following raw materials by weight: 1 part of refined kaolin; 0.3 to 2 parts of titanium dioxide; 0.05 to 0.3 parts of dispersing agent NNO; 0.08 to 0.15 parts of water-soluble chitosan; 0.2 to 0.5 parts of starch and 0.01 to 0.03 parts of betaine. The sunscreen cream provided in the invention has the advantages of no pollution, no harm, no residue, simple preparation and biological safety, and has good dispersibility and a certain viscosity in water. A white loose coating layer can be formed after the spayed plant surface is dried, and has a certain light reflection, light-profness and good permeability, so that the surface temperature of the plant organs as well as the transpiration rate can be reduced. The sunscreen cream provided in the invention is used for preventing and controlling sunlight burns of high temperature and strong sunlight to the plant organs, and is capable of raising survival rate of the transplanting nursery stock, raising crops output, fruit and vegetable product quality and the survival rate of transplanting seedings without affecting the air exchange of the plants.

The invention relates to the field of daily cosmetics, in particular to whitening sunscreen cream containing marine oligosaccharides. The whitening sunscreen cream comprises raw materials in weight proportion as follows: 1%-2% of an emulsifier, 20%-40% of pure water, 5%-20% of alginate oligosaccharides, 10%-20% of olive oil, 5%-10% of glycerin, 10%-20% of butylene glycol, 5%-20% of chitosan oligosaccharides, 1%-10% of chitosan, 10%-20% of collagen, 5%-10% of vitamins and 0.5%-1% of an antibacterial agent. According to the whitening sunscreen cream, hydroxyl groups, amino groups and other polar groups in all molecules of the chitosan oligosaccharides and the chitosan can form hydrogen bonds with water molecules, and the hydrogen bonds are combined with a large amount of water; further, sugar chains of the chitosan oligosaccharides and the chitosan can be interwoven mutually to form a net, and a higher water retention function is realized; finally, by means of the antibacterial and antioxidation functions of the chitosan oligosaccharides and the ultraviolet ray absorption function of the alginate oligosaccharides, the sunscreen and skin repair functions can be realized effectively.

The invention discloses a non-irritant sunscreen cream and a preparation method thereof. The sunscreen cream provided by the invention contains a UVB sun-screening agent in which a physical sun-screening agent nanometer-sized titanium dioxide, a polymethylsilsesquioxane coated chemical sun-screening agent ethylhexyl methoxycinnamate, a polymethylsilsesquioxane coated chemical sun-screening agent bis-ethyl hexyl oxyphenol methoxyphenyl triazine and the like, a UVA sun-screening agent, additives, etc. The sunscreen cream has good compatibility with the skin and strong capability in protecting the skin from harm by ultraviolet rays and is easy to apply, non-irritant and safe to use.

The invention discloses a production method for L-cysteine, and the method belongs to the field of production of amino acids. According to the method, L-cystine, diluted hydrochloric acid with the concentration of 20%, active carbon and a sodium hydroxide aqueous solution with the concentration of 10% are employed as raw materials for producing L-cysteine. The method possesses the advantages of being simple in production technology, mild in reaction conditions, high in substrate conversion rate, free of polluted waste discharge, high in product purity, convenient for batch production, and the like. The main purposes of the product comprise: on the medicine aspect, the product is capable of detoxifying, is capable of effectively preventing and treating radioactive damage, and possesses effects of improving inflammation and skin allergic symptoms; on the cosmetics aspect, the product is a natural whitening cosmetic, and can be used to produce hair-waving essence and sunscreen cream; and on the foodstuff aspect, the product can be used as a bread fermentation promoter, an antistaling agent, a nutrition additive of pet/beast food, and the like.

The invention provides a production method for a sunscreen cream with plant extracts as main functional components. The production method comprises the following steps: 1, extraction of alcohol-soluble components in the shuck of mangosteen; 2, extraction of water-soluble polysaccharides in the shuck of mangosteen; 3, preparation of a chinaroot greenbrier cream; 4, manufacture of fine kudzu vine root powder; and 5, preparation of a matrix cream. The sunscreen cream prepared by using the method prevents symptoms like obstruction of pores and skin allergic diseases, exerts substantial effects on anti-inflammation, sterilization, skin nourishing, improvement of wrinkle resistance of the skin and effective delaying of skin ageing and has the advantages of enhanced safety and reduced cost; the sunscreen cream can effectively restore damaged skin, wherein the restoration effect of the sunscreen cream is incomparable with restoration effects of antioxidant substances like vitamin E; and the sunscreen cream enables synergy of ultraviolet ray absorbers to be performed, so a minimum usage amount of the sunscreen cream can exert a maximum protection effect.

The invention relates to whitening sunscreen cream. The whitening sunscreen cream is composed of, by weight, 0.1-1 part of rose essential oil, 1-10 parts of stearic acid, 1-10 parts of propylene glycol, 1-15 parts of glycerin monostearate, 1-15 parts of cetanol, 0.1-1 part of vitamin E, 0.1-0.5 part of sweet almond oil, 1-20 parts of titanium dioxide and 1-10 parts of preservative. The whitening sunscreen cream has the functions of promoting metabolism of human cells and tissue, promoting blood circulation, nourishing skin and keeping human skin elastic and moist, can keep skin away from the damage of UVA and UVB, can make skin white and smooth, can not induce acne and is remarkable in effect after long-term use.

The invention discloses a technology for producing extract solution from baical skullcap root, and the key point of the technical scheme is that the technology for producing the extract solution from the baical skullcap root comprises the steps of smashing, stirring, mixing, heating, boiling, pressure-filtering, stirring, mixing, heating, soaking, smashing, beating, pressure-filtering and canning, thereby obtaining a finished product of the extract solution from the baical skullcap root. The technology for producing the extract solution from the baical skullcap root for extracting flavonoid compounds is characterized by simple method, fast leaching speed, high extraction rate of active ingredients and no need of purification and separation, the extract solution from the baical skullcap root is a natural, high-efficient and multifunctional additive for cosmetics which integrates the multiple effects of removing freckles, whitening, sun-screening, anti-allergy, anti-inflammation and anti-aging into a whole and can be directly used in sunscreen cream, mask, cream and other cosmetics, thereby not only improving the internal quality of the extract solution from the baical skullcap root, but also greatly saving the production cost. The technology for producing the extract solution from the baical skullcap root is applicable to producing the extract solution from the baical skullcap root and the extract solution from Chinese herbal medicines.

The invention discloses a pineapple leaf extract which is prepared by the following steps: (1) putting pineapple leaves in acetone, performing ultrasonic extraction, filtering to obtain filter residues, repeatedly extracting the filter residues for 1-2 times, combining the filtrates; (2) performing reduced pressure concentration of the filtrates obtained in step (1), and performing freeze drying to obtain the product. The invention also discloses an application of the pineapple leaf extract in preparation of a sunscreen cream. The pineapple leaf extract of the invention is a pure natural plant extract, has a light green color, not only has excellent sunscreen performance, but also can meet demands of people with respect to safety, green, and environment protection. The extract can be used as a sunscreen agent in sunscreen cosmetics.

The invention provides sunscreen cream with double-isolation and post-basking repairing functions. The sunscreen cream comprises the following effective components in parts by weight, 45-55 parts of water, 10-14 parts of physical sunscreen agents, 8.1-11.9 parts of emollient, 3-5 parts of emulsifiers, 11.7-15.6 parts of chemical sunscreen agents, 1.5-6.1 parts of skin conditioners, 0.4-0.6 part of preservatives, 0.4-0.6 part of thickening agents, 2-3 parts of PH (potential of hydrogen) conditioning agents, 0-0.2 part of flavoring agents and 0.2-0.3 part of complexing agents. According to the sunscreen cream, the physical sunscreen agents and the chemical sunscreen agents are scientifically matched, UVA (ultraviolet A) and UVB (ultraviolet B) are effectively stopped, the sunscreen cream can prevent skins from being tanned and effectively protect the skins from sunburn, the skin conditioners are added into the sunscreen cream, and the post-basking repairing function is achieved.

The invention relates to the field of cosmetics, and especially relates to a sunscreen cream and a preparation method thereof. The sunscreen cream comprises, by mass, 10.0-30.0% of an organic sunscreen agent, 5.0-25.0% of solid fats, 5.0-25.0% of liquid fats, 0.1-2.0% of an emulsifier, 3.0-14.0% of a humectant, and the balance of deionized water. The sunscreen cream has the appearance and textureof ice cream on the premise of ensuring its sunscreen effect, is triggered by the body temperature of a person during smearing to melt on the skin surface and take away heat, and also has a water discharging effect to make the person have brand new sensory experiences of refreshing and moistness.

The invention discloses a method for qualitative and quantitative analysis of titanium dioxide or/and zinc oxide nanoparticles in a cosmetic. The method includes: using ethyl acetate and ethanol to conduct dissolution and centrifugation treatment on the cosmetic to remove most organic components, performing drying, then conducting TEM, XRD and XPS analysis on the sample, observing the shape through TEM to obtain the particle size distribution so as to confirm whether a nano-material is added, performing XRD analysis to obtain the phase components and structure of the additive, and performing XPS to obtain the chemical form of elements; then combining ICP-OES quantitative determination to obtain the element content, thereby obtaining the content and morphological structure information of nano-components in the sample. The method can be used for detection of titanium dioxide or/and zinc oxide nanoparticles in cosmetics, and has the characteristics of small nanoparticle loss, accurate result, and safe operation process. Also the method provided by the invention has wide detection application range, is not only suitable for treatment of sun cream samples, and is also applicable to liquid foundations, compact powder and other sunscreen and whitening products.