39 results about "Photoprotection" patented technology

The invention belongs to the technical field of cosmetics, and discloses a photoprotection composition, application and a sunscreen cosmetic. The photoprotection composition comprises soluble collagen and a phyllanthus emblica fruit extract, and the mass ratio of the soluble collagen to the phyllanthus emblica fruit extract is 75: 1-25: 1. The soluble collagen has the characteristic of forming a film when meeting light, can be cross-linked and cured under a light source to form a layer of continuous film, has better defense capability on ultraviolet rays after being cured to form the film, and can provide comprehensive light protection for the skin. Meanwhile, the phyllanthus emblica fruit extract effectively protects keratinocyte apoptosis, oxidation and inflammatory damage caused by UVA / UVB, and has the remarkable capacity of preventing and treating ultraviolet damage. Therefore, the photoprotection composition can achieve synergistic interaction, not only can effectively absorb and utilize light, but also has the capability of resisting ultraviolet rays, can achieve comprehensive photoprotection for skin, and has an excellent photoprotection function when being applied to sunscreen products.

The invention discloses application of rice protein MBS and a coding gene thereof in plant light protection. The invention provides any one of the following applications of the protein OsMBS. C1, regulating and controlling the plant yield; c2, regulating and controlling light protection of the plants; c3, regulating and controlling the strong light adaptability of the plants; c4, regulating and controlling the photosynthetic activity of the plants; and C5, cultivating a strong light resistant plant. Transgenosis experiments and field yield measurement verify that the homologous protein OsMBS has enhanced expression in rice, the chloroplast is wrapped in a sharp increase mode under strong light, a shading layer for directly protecting the chloroplast is formed, light protection of the rice fragrance of the rice can be enhanced, and remarkable and efficient yield increase in the field is achieved.

The invention discloses a plant sunscreen lotion with an anti-ultraviolet effect and application of the plant sunscreen lotion in a sunscreen product, and particularly belongs to the field of preparations for dressing and makeup. The plant sunscreen lotion with the anti-ultraviolet effect is prepared from a plant composition with the anti-ultraviolet effect, auxiliary materials and a solvent, the plant composition with the anti-ultraviolet effect comprises a polygonatum cyrtonema rhizome / root extract, a honeysuckle flower extract, a sophora flower bud extract, a centella asiatica extract and a butterflybush flower extract. The plant composition provided by the invention has the advantages that the components supplement each other and have a synergistic effect, and the plant composition has a good anti-oxidation effect and can effectively resist ultraviolet damage and play a photoprotection role; the sunscreen lotion containing the plant composition with the anti-ultraviolet effect, provided by the invention, has an excellent sunscreen effect.

The invention provides a bolete concentrated powder composition lipid carrier with an anti-aging effect as well as a preparation method and application of the bolete concentrated powder composition lipid carrier. The lipid carrier is prepared from the following substances in percentage by mass: 10 to 40 percent of bolete extract, 0.2 to 0.8 percent of antioxidant, 45 to 66 percent of solid lipid, 10 to 16 percent of liquid lipid and 4.2 to 7.8 percent of surfactant. According to the bolete concentrated powder composition lipid carrier provided by the invention, liquid lipid with anti-oxidation and light protection effects is mixed into solid lipid to construct a nano carrier matrix with a light protection function. Plant active ingredients with a light protection effect and an anti-oxidation effect and ergothioneine in the bolete extract are jointly loaded in a nano-structure lipid carrier, so that synergistic interaction of multiple effects is realized. The synergistic delivery system of the nanostructured lipid carrier can inhibit the photodegradation reaction of the ergothioneine and the generation of peculiar smell, improve the photostability of the ergothioneine, enhance the oxidation resistance of the ergothioneine in an acid environment, and improve the anti-aging effect.

The application discloses a multifunctional biomaterial with light protection and repair functions, which comprises the following components in percentage by mass: 4-8% of methacrylated gelatin, 0.5-2% of nanomicelles of ferulic acid, 0.5-1% of adhesive peptides, 0.5-1.5% of hyaluronic acid and 0.5-1% of ekdromicin. The application further discloses a preparation method of the multifunctional biomaterial and application thereof. The multifunctional biomaterial realizes a trinity synergistic effect of 'protection-repair-regeneration', target enrichment of active ingredients to damaged parts, and can stimulate vascular regeneration, improve skin microcirculation, has antioxidant, anti-inflammatory and healing functions, and promotes repair of light-damaged skin.

The invention discloses a multifunctional biological material with photoprotection and repair functions. The multifunctional biological material is prepared from the following components in percentage by mass: 4 to 8 percent of methacrylated gelatin, 0.5 to 2 percent of nano-micelle of ferulic acid, 0.5 to 1 percent of adhesion peptide, 0.5 to 1.5 percent of hyaluronic acid and 0.5 to 1 percent of Ectoine. The invention further discloses a preparation method and application of the multifunctional biological material. The multifunctional biological material disclosed by the invention realizes a three-in-one synergistic effect of'protection-repair-regeneration 'and targeted enrichment of active ingredients to damaged parts, can stimulate revascularization and improve skin microcirculation, has the functions of resisting oxidation, resisting inflammation and promoting healing, and promotes repair of skin with light injury.

This invention relates to a method for obtaining aqueous extracts of tea leaves (Camellia sinensis), particularly fresh tea leaves, Pu-erh tea, matcha, or green tea. The invention also relates to tea extracts rich in small RNAs, sugars, phenolic compounds, organic acids, catechins, and theanine, as well as cosmetic compositions comprising such extracts and their cosmetic uses for the care of the skin, scalp, and appendages, particularly for protecting the skin from external aggressors and oxidation, combating signs of skin aging, enhancing photoprotection, brightening the skin, and improving skin hydration.

The invention belongs to the technical field of liposome modification, and particularly relates to a method for modifying stable light protection active collagen peptide liposome by adopting sodium alginate. Comprising the following steps: (1) adding a photoprotection active collagen peptide solution into a lipid film for hydration, and homogenizing to obtain a liposome suspension; and (2) dropwise adding a sodium alginate aqueous solution into the liposome suspension obtained in the step (1), mixing and stirring, and standing to obtain the photo-protection active collagen peptide liposome. The liposome prepared by the invention has excellent slow release performance, storage stability and gastrointestinal tract digestion stability, can stably release light in vivo for a long time to protect active collagen peptide, and can play a role in light protection for a long time; meanwhile, the preparation method is green and environment-friendly, the stability and bioavailability of the photoprotection active collagen peptide are greatly improved, and a brand new technical direction is opened up for research and development of cosmetics and medical products in the field of photoprotection.

WATER-IN-OIL SUNSCREEN COSMETIC COMPOSITION, USE OF A WATER-IN-OIL SUNSCREEN COSMETIC COMPOSITION, AND METHOD FOR MANUFACTURING A WATER-IN-OIL SUNSCREEN COSMETIC COMPOSITION The present invention relates to novel water-in-oil sunscreen cosmetic compositions, in particular for skin care, makeup, and photoprotection comprising (a) at least one pigment, (b) at least one UV filter, (c) dimethicone, and (d) water, wherein the weight ratio of water to dimethicone is specified. The present invention also relates to the use of a water-in-oil sunscreen cosmetic composition, and to a method for manufacturing a water-in-oil sunscreen cosmetic composition. Figure for abstract: None.

According to the present invention, light filters are disclosed that provide photoprotection and contain fluorescent agents in that have fluorescence emission in the near infrared region of wavelengths to effect photobiological modulation (PBM) of human cells when the cells are exposed to sunlight or any artificial lighting. The fluorescent agents include endogenous compounds. The light filters include ophthalmic lenses, skin care products with or without transparent substrate and any products that are used to filter light. When used in connection with ophthalmic lenses, the ophthalmic lense provides photoprotection and photobiological modulation to the human eye.

In various embodiments, the present invention is directed to contact lenses that utilize a multilayer coating of alternating high RI materials, such as melanin or polydopamine (PDA) and other low RI materials to create tunable iridescent colors and contain melanin or similar materials that impart photoprotection due to their broadband UV-vis absorption spectrum and ability to quench radicals.

The present invention falls within the field of biotechnology and relates to compositions that combine organic compounds capable of absorbing ultraviolet (UV) sunlight to convert it into red light, promoting photoprotection against solar radiation and broad-spectrum cutaneous regeneration. The photoprotective effect is due to the absorption of UV light by the compounds in these compositions, while the regenerative effect is attributed to the final emission of red light that transiently activates the production of non-lethal levels of Reactive Oxygen Species (ROS) in the tissue, sufficient to stimulate the tissue's homeostasis and regeneration programs.

The application discloses a kind of polypeptide, polypeptide extraction and purification method with river toad as raw material and application thereof, belong to the field of bioactive peptide, its amino acid sequence is FPGGPGAK, and preparation method and application in the field of cosmetics are also disclosed.The polypeptide disclosed in the application, polypeptide extraction and purification method with river toad as raw material and application thereof are extracted, purified and screened by treating river toad skin, and the central peptide segment playing a photoprotection role is used in cosmetics.

The invention discloses a novel application of sargassum horneri polysaccharide in preparation of a product for preventing or repairing skin photoaging and endogenous DNA damage caused by ultraviolet rays. Experimental research shows that the sargassum horneri polysaccharide provided by the invention can reduce UV-induced oxidative stress and ROS accumulation, reduce cell apoptosis and cycle arrest and relieve UV-induced DNA double-chain fracture damage, so that the dual effects of ultraviolet radiation protection and DNA damage repair are achieved, the defect that an existing sunscreen product only can perform passive protection is overcome, and the problem that the existing sunscreen product only can perform passive protection is solved. And the defect that the DNA damage cannot be repaired by the existing repair product is overcome. The sargassum horneri polysaccharide is clear in physical and chemical characteristics, stable in activity, derived from natural sargassum horneri, free of irritation of chemical synthesis components, excellent in biocompatibility, suitable for being used for a long time in cosmetics and drugs, capable of providing safe and effective natural raw materials for daily skin photoprotection and capable of protecting skin photoprotection. New treatment thoughts and product choices can be provided for clinical prevention and treatment of skin light injury, and the market application prospect is wide.

In some aspects, the disclosure relates to a composition including niacinamide and polypodium leucotomos extract, optionally with additional photoprotective ingredients including ascorbic acid, optionally biotin, astaxanthin, bovine collagen peptides, L-glutathione, hyaluronic acid, and inositol. The composition provides rapid and measurable photoprotection, reducing UV-induced erythema by approximately 60-68% when administered 1-2 hours prior to UV exposure. Clinical studies demonstrate significant increases in minimal erythema dose (MED) with effects persisting for at least 24 hours following a single oral administration. The composition exhibits excellent formulation characteristics including superior mixability, clarity, and palatability when formulated as a beverage powder.

The present invention relates to novel water-in-oil cosmetic sunscreen compositions, in particular for use in skin care, make-up and photoprotection, comprising (a) at least one pigment, (b) at least one UV filter, (c) polydimethylsiloxane and (d) water, wherein the weight ratio between water and polydimethylsiloxane is specified. The invention also relates to the use of the water-in-oil cosmetic sunscreen composition and to a method for producing the water-in-oil cosmetic sunscreen composition.

The invention relates to application of a GF14A gene in regulating and controlling the light protection capability of rice. By investigating the NPQ curve and field agronomic traits of a GF14A transgenic material under the condition of converting strong light into dark, the GF14A can accelerate the NPQ relaxation speed in dark, which indicates that the GF14A over-expressed rice can reduce non-photochemical quenching under weak light, optimizes the light protection regulation ability of the plant, and improves the yield of the rice. The effective panicle number, the weight, the number and the primary branch number of GF14A over-expressed rice are all higher than those of a wild type, and a molecular biology experiment shows that the gene optimizes the light protection regulation and control capability of the rice by influencing the transcriptional activation activity of an NPQ related transcription factor, which indicates that the gene has an important breeding value in high-photosynthetic-efficiency breeding. Meanwhile, the method has a wide application prospect in production.

The invention relates to a composite film-forming composition for photoprotection and application thereof. The composite film-forming composition is prepared from the following components in parts by weight: 10 to 30 parts of poly C10-30 alkanol acrylate, 5 to 15 parts of polymethylsilsesquioxane, 5 to 10 parts of dextrin palmitate, 2 to 10 parts of fructus schisandrae chinensis extract and 5 to 12.5 parts of tuber melanosporum extract. When the composition is applied to a sunscreen product, the use amount of the emulsifier can be obviously reduced, and meanwhile, the persistence and the effect of the sunscreen power can be improved.

The invention belongs to the field of beauty and related science. More specifically, the present invention relates to a premix for producing a cosmetic composition, a method for producing a cosmetic composition and an improved cosmetic composition. Furthermore, it defines a method for photoprotection of a surface, and the use of the premix for the preparation of a cosmetic composition for photoprotection of a skin surface of an individual against UV radiation. The premixes and compositions of the present invention comprise niobium nanoparticles and provide advantageous and surprising effects, including high light protection capability.

The present invention relates to sunscreen products, cosmetic and pharmaceutical preparations or homecare products having UVA and / or UVB protection comprising an organic UV-filter and a certain mycosporine-like amino acid compound. The products and preparations provide improved SPF performance and UVA photoprotection. In addition, the products and preparations according to the present invention provide broad-spectrum photo-protection from UV radiation. Additionally, the present invention relates to the use of such mycosporine-like amino acid compound for boosting SPF and UVA photoprotection of a sunscreen product, cosmetic or pharmaceutical preparation or homecare product comprising an organic UV-filter. Furthermore, the present invention relates to a method of enhancing the SPF and UVA photoprotection of a sunscreen product, cosmetic or pharmaceutical preparation or homecare product comprising an organic UV-filter by the addition of a certain mycosporine-like amino acid compound. Finally, the present invention relates to a method for providing anti-aging benefits to skin, whitening or preventing darkening of skin, improving the appearance of skin, diminishing the visible signs of skin aging and improving skin's radiance and firmness by topically applying the sunscreen product or cosmetic or pharmaceutical preparation according to the present invention to the skin.

The invention relates to a photoprotection whitening and repairing composition applicable to sensitive skin and application of the photoprotection whitening and repairing composition. The composition is prepared from oxidized resveratrol nanocrystals, cape jasmine flower extract, oat beta-glucan and a lactobacillus fermentation product, the weight ratio of the oxidized resveratrol nanocrystals to the cape jasmine flower extract to the oat beta-glucan to the lactobacillus fermentation product is (0.01 to 6) to (0.01 to 0.5) to (0.01 to 2) to (0.1 to 10). The composition provided by the invention is compounded by multiple target components, breaks through the efficacy limitation of a traditional photoprotection whitening repair product, provides an efficient and safe photoprotection, repair and whitening solution for sensitive skin repair, and has remarkable application value and market prospect.

This invention provides a cerium oxide-containing composite sunscreen raw material and its preparation method, belonging to the field of materials technology. The invention involves synthesizing a cerium oxide-containing composite oxide via a co-precipitation method, then using gelatin-chitosan as a wall material to encapsulate the composite oxide. A stable coating layer is formed through cross-linking and curing, reducing the photocatalytic activity of cerium oxide and improving dispersion stability. This invention significantly reduces the potential toxicity of traditional chemical sunscreens to the human body, while expanding the photoprotection range to the visible light region, achieving "full-spectrum" (200-800 nm) protection.

The present invention relates to a method of assessing photoprotection efficacy of a personal care composition comprising a skin care active; and to a method of comparatively assessing photoprotection efficacy of two or more personal care compositions comprising a skin care active.

This invention relates to a photoprotective, whitening, and repairing composition suitable for sensitive skin and its application. The composition comprises the following components: oxidized resveratrol nanocrystals, gardenia extract, oat β-glucan, and Lactobacillus fermentation product, wherein the weight ratio of the oxidized resveratrol nanocrystals, gardenia extract, oat β-glucan, and Lactobacillus fermentation product is (0.01-6):(0.01-0.5):(0.01-2):(0.1-10). This invention, through the combination of multi-target components, overcomes the efficacy limitations of traditional photoprotective, whitening, and repairing products. This invention provides a highly efficient and safe solution for photoprotection, repair, and whitening of sensitive skin, possessing significant application value and market potential.

The invention discloses a photoprotective composition and a preparation method thereof. The photoprotection composition is mainly prepared from a rhodiola rosea (RHODIOLA ROSEA) root extract and a medicago sativa (MEDICALO SATIVA) extract, and is characterized in that the photoprotection composition is prepared from the following components: a rhodiola rosea (RHODIOLA ROSEA) root extract Rhodiola rosea roots and medicago sativa are selected to be combined, a modern fermentation extraction technology is adopted to prepare the photoprotection composition, tests find that the photoprotection composition can recover cell viability reduction caused by UVA irradiation, and the endogenous photoprotection effect is achieved.

The present invention relates to a sunscreen or daily care composition with photoprotection comprising (i) at least 1.5 to 20 wt.% of one ester of lactic acid, (ii) 0.5 to 8 wt.% of phenylbenzimidazole sulfonic acid and / or it salts, and (iii) at least one UV filter other than phenylbenzimidazole sulfonic, wherein said at least one UV filter other than phenylbenzimidazole sulfonic acid comprises at least bis- ethylhexyloxyphenol methoxyphenyl triazine (BEMT), wherein the pH of the composition is within the range of 5.0 to 8.0, and wherein the weight ratio of (i) to (ii) is 1:2 to 5:1. The present invention furthermore relates to the use of of phenylbenzimidazole sulfonic acid and / or it salts for improving the stability of a sunscreen or daily care composition with photoprotection comprising at least one ester of lactic acid.

The present invention relates to a sunscreen product, a cosmetic or pharmaceutical formulation or a home care product with UVA and / or UVB protection comprising an inorganic UV filter and certain mycosporine-like amino acid compounds. The products and formulations provide improved SPF performance and UVA photoprotection. In addition, the products and formulations according to the invention provide a broad spectrum of photoprotection against UV radiation. In addition, the present invention relates to the use of such mycosporine-like amino acid compounds for promoting SPF and / or UVA photoprotection of a sunscreen product, a cosmetic or pharmaceutical formulation or a home care product comprising an inorganic UV filter. Furthermore, the present invention relates to a method of enhancing the SPF and / or UVA photoprotection of a sunscreen product, a cosmetic or pharmaceutical formulation or a home care product comprising an inorganic UV filter by adding a certain kind of mycosporine amino acid compounds. Finally, the invention relates to a method for providing anti-aging benefits to the skin, whitening the skin or preventing the blackening of the skin, improving the appearance of the skin, reducing the visible signs of skin aging and improving the gloss and compactness of the skin by topically applying to the skin a sunscreen product, a cosmetic or pharmaceutical formulation or a home care product according to the invention.

The invention discloses a photoprotection synergistic composition containing a camellia japonica extract as well as a preparation method and application of the photoprotection synergistic composition. The photoprotection synergistic composition containing the red camellia extract comprises the following components in percentage by mass: 0.1-10% of an amino acid derivative cell stress protective agent, 0.1-10% of a photoprotection synergistic agent, 0.1-10% of an antioxidant and the balance of a solvent. 0.1 to 20% of barrier repairing polysaccharide; 0.01 to 2% of a soothing anti-inflammatory plant extract; 0.01-2% of a licorice derivative; 0.1 to 30% of a water-soluble camellia japonica extract; 0.1 to 30% of an oil-soluble camellia japonica extract; and the balance of water. The camellia japonica extract is introduced as a sunscreen synergistic and antioxidant protection component, an optimized physical sunscreen system is combined, synergistic shielding of ultraviolet rays is achieved, skin barrier protection is enhanced, and the dual requirements of infant skin and sensitive skin groups for safety and protection are met.

The invention discloses application of plum callus extract in cosmetics for maintaining pigment stability and photoprotection as well as a related product and a preparation method thereof, and belongs to the technical field of cosmetics. The invention aims to solve the technical problems that the shelf life and the appearance of a product are seriously influenced by the conditions of color fading, color change or smell change after long-time illumination of the product containing the water-soluble pigment, and the effect of improving the light stability of the water-soluble pigment by the existing plant extract is not ideal. According to the key points of the technical scheme, the plum callus extract is added into the product, so that the tolerance of the product containing the water-soluble pigment to illumination is improved, and the influence of illumination on the shelf life and appearance of the product is reduced; a high-transparency packing material can be used for the product, so that the risk of illumination does not need to be worried; moreover, it is accidentally found that the plum callus extract can effectively relieve light damage of UVA and UVB to cells, so that the light protection effect of the product can be improved, and skin with light damage can be repaired.

COSMETIC COMPOSITION, USE OF THE COSMETIC COMPOSITION, AND METHOD FOR MANUFACTURING THE COSMETIC COMPOSITION. The present invention relates to a cosmetic composition comprising (a) iron oxides selected from yellow, black, and red iron oxides; (b) titanium dioxide; (c) a mixture of niacinamide, tranexamic acid, and hydroxyethylpiperazine ethanesulfonic acid; and (d) at least one UV filter. The present invention also relates to the use of the cosmetic composition for skin homogenization, the treatment of hyperpigmentation, and photoprotection of skin tones 1 to 6 (Fitzpatrick scale), and to the method for manufacturing the cosmetic composition. Figure for abstract: none