1064 results about "Keratin protein" patented technology

A composition comprising purified water using ozonation, ionization, or distillation or any combination thereof wherein alcohol may be substituted for, or combined with water at least one emollient including but not limited to chitosan, and aloe vera gel, individually or in any combination; an oil component with spf boosting agents including but not limited to; ethyl macadamiate, non-toxic silicone oil and essential oils, butter milk, waxes impregnated with inorganic sun-block or sunscreen agent and organic/inorganic micronized particles, wood powder and bentonite clay, keratin, either individually or in any combination; at least one inorganic sun-block or sunscreen agent including any metal oxide, glass microsphere, silica and silica compound, and optionally metal oxide pigments with particles that are micronized, submicronized, nanoparticle sized, or otherwise individually or in any combination that can be homogenized in either a water phase, a water-aloe phase, an oil phase or any phase of said composition; at least one emulsifier wherein said emulsifier includes but is not limited to a phospholipid and/or liposome or an aloe vera gel or an ester of coconut oil individually or in any combination, for emulsifying the water, water-aloe, or oil phase in combination with an homogenizer; where any of components are preferably mixed with an homogenizer and where an appropriate thickening agent including but not limited to xanthan gum, carageenan, either individually or in any combination is added as required.

A gel depilatory composition obtainable by mixing (a) a keratin reducing compound, (b) a hydrophilic high molecular compound having an ionic group, (c) a crosslinking agent and (d) water and has a high effect on the removal of body hairs and is decreased in odor peculiar to chemicals.

The present invention relates to a cosmetic composition comprising organosilicon compound, hydrophobic film-forming polymers, pigments and volatile carrier. The present invention relates to a cosmetic composition for treating keratin fibers, for example human keratin fibers such as the hair, comprising, in a cosmetically acceptable medium, at least one organosilicon compound chosen from silanes comprising one, two and three silicon atoms, wherein the at least one organosilicon compound also comprises at least one basic chemical function and at least one group chosen from hydroxyl and hydrolysable groups per molecule; at least one hydrophobic film-forming polymer; at least one pigment; and at least one volatile solvent. The present disclosure also relates to a process for treating keratin fibers, comprising applying to the keratin fibers the compositions according to the present disclosure.

The invention relates to a process for relaxing keratin fibres by applying to the keratin fibres a relaxing composition containing at least one denaturing agent with a molecular mass of greater than 18.1 g/mol, present in a molar concentration of between 1M and 8M, and raising the temperature of the keratin fibres to a temperature of between 110 and 250° C.

The invention relates to a preparation method of feather albumen powder and the feather albumen powder prepared by the method. The method comprises the following steps: firstly carrying out pretreatment of washing, drying and cutting; then effectively carrying out steam explosion on feather by a steam explosion technique to damage the stable space structure of feather keratin; and finally carryingout zymohydrolysis treatment to enable the feather to become dissoluble small peptide and amino acid, thereby enhancing the digesting rate of pepsin of feather albumen and largely enhancing the biologic valence. The preparation method has the advantages of simplicity, low production cost, short processing period and high equipment efficiency. The content of crude albumen in the feather powder achieves more than 90%, and the digesting rate of in vitro pepsin achieves more than 88%.

An agent for dyeing keratin-containing fibers, in particular, human hair, to give the fibers fashionable bright colors. The agent comprises A) an oxidizing agent, B) a CH-acidic compound and C) a reactive carbonyl compound. The invention also includes a process for dyeing keratin-containing fibers with the agent.

The present invention relates to cosmetic and/or dermatological compositions for the treatment of keratin containing substrates, comprising synergistic mixtures of modified starch polymers with defined molecular weights and cationic charges in a cosmetically acceptable medium. The synergistic mixtures of modified starches employed to manufacture compositions according to the present invention exhibit significant benefits over the existing modified starches employed according to the state-of-the-art in the treatment of keratin-containing substrates like human or animal hair, skin and nails. Another aspect of the present invention is the stabilization of the modified starch solutions used to manufacture the cosmetic and/or dermatological compositions according to the present invention against the growth of micro-organisms without traditional preservatives.

Compositions for the oxidative dyeing of keratin fibers, in particular human keratin fibers, comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof and; (B) a m-aminophenol compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof; and (C) an oxidizing agent.

wherein R₁, R₂, R₃, R₄, R₅, R₆, R₇, R₈ and R₉ are as defined herein and a=1 or 2.

The invention discloses a modified keratin material as well as a preparation method and application thereof. The modified keratin material provided by the invention has a structural formula shown in a formula (I) in the specification. The invention further provides the preparation method of the modified keratin material. The modified keratin material provided by the invention is degradable or degraded slowly after being implanted inside a human body, and the degradation degree of the modified keratin material can be regulated by controlling preparation process parameters. The prepared modified keratin material can be applied to hemostasis materials, hydrogel, wound dressing, and soft tissue fillers and the like, and can also be used as a support material for building a tissue engineered tissue.

The present invention relates to novel C-glycoside compounds of given absolute configuration, to a process for synthesising them and to compositions containing them. The invention also relates to the cosmetic use of these C-glycoside compounds as agents to stimulate the synthesis of glycosaminoglycans containing a D-glucosamine and/or N-acetyl-D-glucosamine residue, advantageously hyaluronic acid, and/or of proteoglycans, advantageously proteoglycans containing hyaluronic acid, by fibroblasts and/or keratinocytes. The invention also relates to a cosmetic process for treating keratin materials using a composition containing at least one C-glycoside compound according to the invention.

The invention relates to an oxidative hair dye composition for keratin fibers, comprising fatty component, thickener and dye precursor. Provided is a ready-to-use composition for the oxidation dyeing of keratin fibers, and for example of human keratin fibers such as the hair, comprising, A) at least one fatty substance other than fatty acids present in the ready-to-use composition in an amount ofgreater than or equal to 25% by weight relative to the total weight of the ready-to-use composition, B) at least one polymeric thickener, C) at least one dye precursor, D) at least one oxidizing agent and E) at least one alkaline agent wherein at least one of the at least one alkaline agent is an organic amine. The inventive composition is characterized by the improved dying performance.

The invention discloses an antibacterial and anti-felting wool fabric finishing method, and belongs to the technical field of spinning. The method includes the steps of firstly, adding hydrogen peroxide and sodium hydroxide to preprocess wool fabric so that scale cells and cortex cells of surfaces of wool fibers can be broken; secondly, conducting enzyme treatment, wherein keratinase and alkaline protease are added for concerted reaction enzymolysis, and after keratin enzymolysis is conducted on the outer layers of scales through keratinase, enzymolysis is conducted on cystine of keratin protein of parts such as inner stratum corneum and cortical layers of wool through alkaline protease; thirdly, conducting chemical finishing, wherein twice soaking and twice rolling are conducted on the wool fabric through a glycerol citric acid ester solution. By means of the method, the effect of increasing wool anti-felting and antibacterial capacity is remarkable, reaction time is short, subsequent processing is simple, the influences on breaking force and whiteness of the processed wool fabric are small, dyeing performance is greatly improved, the directional friction effect is greatly reduced, high economic benefits are achieved, and industrial popularization is facilitated.

A method for permanently changing the shape of keratinic fibres and a kit-of-parts comprising the agents (a), (b) and (c) packaged separately. The method comprises applying a permanent waving agent (a) to the keratinic fibres, leaving agent (a) to take effect for a period of from 2-60 minutes, rinsing out the agent (a) from the keratinic fibres, applying agent (b) to the keratinic fibres, leaving agent (b) to take effect for a period of from 2-60 minutes, rinsing out agent (b) from the keratinic fibres, applying agent (c) to the keratinic fibres, leaving agent (c) to take effect for a period of from 2-60 minutes, and rinsing out agent (c) from the keratinic fibres. The permanent waving agent (a) includes one or more keratin-reducing compounds, the cosmetic agent (b) includes one or more aliphatic C₂-C₈ dicarboxylic acids and/or physiologically acceptable salts thereof, and the fixing agent (c) includes hydrogen peroxide.

The invention discloses a method for preparing sulfydryl-rich keratin and promoting rapid gelating of silk fibroin and application to the skin care products as well as repairing and reconstructing ofartificial skin, dressing or injured tissues. The preparation method comprises extracting a sulfydryl-rich keratin solution, extracting a natural silk fibroin solution, preparing a keratin/silk fibroin hydrogel and the like. The keratin carrying a large quantity of sulfydryls is used to promote the rapid gelating of the silk fibroin solution, the keratin and silk fibroin solutions are mixed and then promote a beta-microcrystal to form a three-dimensional net structure under the actions of the macromolecular chain of the amino acid and the hydrogen bond together, so that the formation of the hydrogel is accelerated, and the obtained hydrogel has an excellent mechanical property.

The invention relates to a composition comprising, in a cosmetically acceptable medium, at least one particular fluorescent dye.

The invention also relates to a process for treating keratin fibres, in particular human keratin fibres, using this composition, and also to a device comprising it.

Finally, the invention relates to the use of the composition according to the invention as a lightening agent or as a colouring agent for the said fibres.

The invention relates to a process for preparing a composition for the cosmetic treatment of keratin materials, wherein it comprises a step of percolating a fluid at a pressure of at least 3 bar through at least one cosmetically active compound in liquid form trapped with porous or surface-treated particles.

The invention provides preparation of a keratin-sodium alginate composite microporous gel, belonging to the fields of composite materials and biotechnology. The preparation method comprises the following step: carrying out self-crosslinking polymerization on the raw materials biocompatible natural high-polymer protein and polysaccharide (keratin and sodium alginate) under the actions of an organic crosslinking agent, an inorganic crosslinking agent an initiator. The composite microporous gel has favorable swelling and deswelling properties, is sensitive to pH value, and has slow-release effects on both low-molecular and high-molecular drugs. The in-vitro drug release performance experiment indicates that the composite microporous gel can implement controlled release of drug molecules by utilizing the acid sensitiveness, and thus, can be used as a drug carrier in drug controlled release.

The invention provides a two-step crosslinking preparation method for a keratin/PEO biological nanofiber membrane. The two-step crosslinking preparation method for the keratin/PEO biological nanofiber membrane comprises blending keratin powder extracted from waste natural keratin filaments through a reduction method and PEO powder according to the mass ratio of 90 to 50 to 10 to 50, preparing keratin/PEO static spinning solution with the mass percent concentration of 7 to 15% with water serving as solvent, adding ethylene glycol diglycidyl ether crosslinking agent into the static spinning solution to perform initial crosslinking on the static spinning solution, improving the keratin spinnability, performing static spinning, hanging a keratin/PEO nanofiber membrane obtained through static spinning inside a closed container loaded with ethylene glycol diglycidyl ether solution under 25 to 80 DEG C to perform secondary steam crosslinking, or arranging the keratin/PEO nanofiber membrane into a closed container which is full of pure oxygen under normal temperature to perform oxidation crosslinking and obtaining the keratin/PEO biological nanofiber membrane which is insoluble in water.

Topical administration for humans of formulations selected from one or more certain extracts of fruit and/or seeds of berries, date palm, onion and saw palmetto and one or more metallic moieties of metal selected from boron, vanadium and molybdenum. These formulations treat diseases and conditions including visible extrinsic skin aging, eczematous, papulosquamous, follicular, hyperpigmentation and cornification disorders and keratoses.

The present invention relates to provide a protein group binding to keratin which is the major component of body hair, or genes encoding the same, particularly to keratin-associated proteins (KAP) which bind specifically and strongly to hair keratin or genes encoding the same. The base sequence of eurochromtic region of approximately 33.5 Mb of human chromosome 21 was determined, a dot-matrix analysis of the base sequence of the long arm region of chromosome 21 (21q22.3) was carried out, homology search was made to low frequency repetitive sequences and 16 KAP genes being expressed only in hair root cells were found. Moreover, the high frequency repetitive sequences present in the sequence spanning for approximately 1 Mb between CLDN8 gene and TIAM1 gene in the long arm region of chromosome 21 (21q22.11) were masked, the presence or absence of short low frequency repetitive sequence was searched, and 22 KAP genes were found. Moreover, a group of functional peptide was designed from the above mentioned KAPs.