217 results about "Absorption (skin)" patented technology

The present invention relates to a bio-based and biodegradable superabsorbent polymer (SAP) comprising sodium alginate, modified cellulose, at least one activation agent, and at least one crosslinking agent. The SAP exhibits a high bio-based content of up to 93% and fulfills industrial composting standards such as EN 13432. The crosslinking reactions are performed under mild conditions, including ambient temperatures and neutral to alkaline pH, eliminating the need for high thermal energy. The resulting SAP granules demonstrate excellent liquid absorption performance, rapid swelling, high retention, and no observed toxicity or skin sensitization. The invention provides a sustainable alternative to petroleum-based SAPs for use in hygiene products, agriculture, and other disposable applications.

The invention discloses a sialic acid mild brushing acid composition and application thereof, and relates to the technical field of cosmetics. The sialic acid mild brushing acid composition comprises sialic acid and a solvent, the mass concentration of the sialic acid is 2%-15%, and the solvent is selected from at least one of 1, 3-propylene glycol, butanediol, dipropylene glycol and water. The sialic acid is creatively used as one of the mild brushing acid components, can soften old and waste cutin mildly and promote cutin exfoliation and permeation and absorption of the sialic acid, so that the sialic acid can fully play a skin protection role, has an excellent mild cutin exfoliation effect and has the effects of improving hyperpigmentation and coarse pores; and a dynamic balance skin care strategy of breaking while standing and breaking while standing can be realized. The prepared cosmetics have better moisture retention and safety, repair barriers through moisture retention, improve pigmentation through oxidation resistance, stimulate collagen to remodel a supporting structure to improve coarse pores, and finally consolidate the health state of the skin through immunoregulation.

The invention discloses a high-moisture-permeability hydrogel nursing patch and a preparation method thereof, and belongs to the technical field of medical supplies. Sodium alginate and gelatin are scientifically compounded to serve as a gel skeleton, functional components such as the aloe extract, the humectant and the penetration enhancer are supplemented, a stable three-dimensional network structure is constructed, the synergistic effect of multiple effects of moisturizing, resisting bacteria, promoting absorption of active ingredients and the like is achieved, and the synergistic improvement of high moisture permeability, antibacterial property and mechanical property of the product is achieved; the prepared nursing patch can quickly and largely absorb exudate at a wound, keep the wound clean and dry, reduce the risk of wound infection by absorbing the exudate, promote wound healing, effectively relieve skin surface wounds and scratches, and avoid skin infection and ulceration caused by the wounds.

The invention is suitable for the technical field of bio-photonics, and provides a capillary refilling time self-adaptive measurement system and method, and the system comprises a negative pressure adsorption module, a step release module, a modulation module, a detection module, a demodulation module, a signal processing module and a main control unit. Standardized microcirculation stimulation is realized through negative pressure adsorption and step release; adopting a frequency domain modulation and demodulation technology to obtain the phase and the amplitude of the optical signal, and inverting an absolute absorption coefficient and a reduced scattering coefficient by utilizing a frequency domain diffusion equation; and selecting an absolute absorption coefficient under equal absorption point wavelength as a blood volume index, fitting a recovery curve through a system identification model, and calculating to obtain self-adaptive capillary refilling time. According to the collaborative scheme, the problems that in the prior art, stimulation is not standard, the result is greatly influenced by skin color and temperature, and absolute parameter support is lacked are solved, and objective and accurate measurement which is high in repeatability, cross in skin color and resistant to environmental interference is achieved.

1. Name of the product in this design: Microneedle Consumables (NH4). 2. Purpose of this design: This design is intended for use with an electric skin care pen, applied to the skin surface to assist in the absorption of skin care essence. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses a circulating hot compress control method for improving the external application curative effect of Zhuang Yao medicine, and relates to the technical field of circulating hot compress. A double-point thermocouple sensor and an NTC thermistor are cooperatively arranged, and time lag and local temperature dynamic characteristics in the skin heat conduction process are accurately recognized; the delay behavior between surface layer heat absorption and deep layer heat diffusion can be distinguished in detail. By collecting and fitting four thermal behavior parameters of skin temperature rising slope delta pT, thermal response inertia time Tr, local heat conduction delay time Tag and maximum temperature difference delta Tu, a complete characteristic curve of a hot compress start-peak value-lag-attenuation process is established, and multi-dimensional comprehensive description of the skin heat sensitivity state is realized. Through the comprehensive evaluation index phi cyc, the system can accurately identify whether the current hot compress is effective or deviates, so that a definite and quantifiable feedback basis is provided for doctors or users, and the formation of a thermal therapy curative effect file and a data record is facilitated.

The application provides a Guizhou Rhamnus skin wound healing ointment and a preparation method thereof, and relates to the technical field of traditional Chinese medicine compositions. The ointment comprises Guizhou Rhamnus concentrated extract and base excipients. The ointment has the functions of promoting skin wound healing, preventing swelling and pain, preventing infection and scar, reducing swelling and pain, removing blood stasis and promoting tissue regeneration, dredging channels and activating collaterals, and healthy skin tissue. The active ingredients of traditional Chinese medicine have the advantages of rapid healing and repair, obvious swelling and pain relief, delicate ointment texture, easy absorption by the skin, high safety, good stability, wide source of raw materials, easy collection, simple preparation process, batch processing, no toxic side effects on the health of production personnel, and no adverse effects on the environment.

The invention discloses a novel moxibustion therapy and an application method thereof, and belongs to the technical field of moxibustion therapies.The application method comprises the following steps that firstly, needed moxibustion instruments are prepared and comprise heat insulation cloth, medicine applying cloth, a moxibustion column, a steel needle and traditional Chinese medicine; 2, the fire insulation cloth and the medicine applying cloth are trimmed through scissors; 3, smearing the trimmed cloth with traditional Chinese medicine capable of clearing and activating the channels and collaterals, and then pasting the cloth to a treated acupuncture point. The traditional Chinese medicine powder and ointment with the effects of clearing and activating the channels and collaterals and expelling wind and removing cold are smeared on the medicine smearing cloth and attached to specific acupuncture points, warm stimulation of the moxibustion column is combined, local blood circulation can be enhanced, absorption of medicine components is promoted, and therefore the treatment effect is improved; compared with a traditional sharp needle head, the skin injury risk is reduced, and the treatment safety and comfort are improved.

The invention discloses a human face skin multi-component concentration analysis method and device based on hyperspectral imaging, and relates to the technical field of spectral imaging. The method comprises the following steps: under a standardized condition, sequentially collecting dark background data, standard integrating sphere uniform light field data and standard reflectivity plate reference spectrum data; collecting original face hyperspectral data under the same condition; correcting the original face data and the reference data based on the dark background data and the uniformity correction coefficient, and calculating the reflectivity data of the face skin in combination with the known reflectivity of the standard reflectivity board; establishing correlation between the reflectivity and a tissue absorption coefficient based on a skin optical model, wherein the absorption coefficient is expressed as linear superposition of various target component concentrations and standard spectral characteristics thereof; and solving the relationship by adopting a fitting optimization algorithm to obtain the pixel-level concentration of each component and generate a two-dimensional distribution diagram. By optimizing an acquisition device, a spectral analysis algorithm and a visualization function, high-precision, safe and easy-to-use detection effects are realized.

The embodiment of the application discloses a skin care prompting method and a skin care device. The method comprises the following steps: acquiring a skin image of a region to be cared, the skin image containing skin and hair; determining a hair state index of the region to be cared based on the skin image; and generating first prompting information in the case that the hair state index exceeds a preset index threshold, wherein the first prompting information is used for prompting a user to perform a hair shaving process first. In this way, through the intelligent judgment and prompting mechanism, the user can be actively guided to perform a standard preprocessing when the hair state index exceeds the preset index threshold, so as to avoid skin damage such as burns, erythema and stinging caused by excessive absorption of IPL energy by body hair, excessive heat diffusion and high epidermis temperature, thereby ensuring the safety of skin care operation, enabling more energy to act on hair follicles to improve the skin care effect, and improving the intelligent degree and use experience of the skin care device.

The absorbent article is characterized in that the surface sheet (20) has a skin-side part (21) and a non-skin-side part (22), the average fineness of fibers constituting the non-skin-side part (22) is smaller than the average fineness of fibers constituting the skin-side part (21), the absorbent core (121) has a compressed part (123) compressed from the skin side in the thickness direction, and when a drainage test is performed, the drainage index is 50% or less. In a liquid discharge test, 40 ml of artificial urine is dropped four times at a predetermined position on the surface sheet (20), and then a liquid discharge index related to the absorption rate and the absorption amount of the artificial urine is obtained on the basis of the measurement results of the predetermined position by a moisture meter.

The invention discloses an anti-inflammatory bone-invigorating product containing eucommia ulmoides extract and a preparation process and application thereof, and relates to the technical field of anti-inflammatory product preparation, the anti-inflammatory bone-invigorating product is prepared from the following raw materials: calendula officinalis, chrysanthemum, fructus forsythiae, dandelion, eucommia ulmoides total glycoside extract, ampelopsis grossedentata extract, achyranthes bidentata extract, pholidota chinensis, eclipta alba, prebiotics, a binding agent, a diluent and an auxiliary agent. The medicinal properties of various herbal medicines and other effective components are combined, the texture, stability and usability of the plaster are guaranteed, meanwhile, the extracted eucommia ulmoides total glycoside can improve the inflammation inhibition effect, enhance the resistance of the plaster to bacteria and viruses and prevent skin infection, the permeability of the plaster is improved through the eucommia ulmoides total glycoside, and the treatment effect of the plaster is improved. The absorption of the skin on the medicine components is improved, so that comprehensive and effective anti-inflammatory and antibacterial protection is provided.

This invention discloses a method for extracting high-purity PDRN from salmon testes and its application in improving skin condition, belonging to the field of bioactive ingredient extraction technology. Frozen salmon testis tissue is cleaned of blood vessels and fatty impurities, then cryogenically pulverized at -20~-25℃. The pulverized tissue is added to a pre-treatment dispersion buffer and homogenized under high pressure to obtain a DNA fragmentation solution. The precipitate is then separated by centrifugation. The precipitate is dispersed in a dedicated enzyme digestion buffer, and enzymatic digestion with protease and RNase A is performed to inactivate the enzyme. DNase I is added to the digestion solution for enzymatic cleavage. After the reaction, a stop solution is added to terminate the reaction, and the supernatant is separated by centrifugation. Ethanol is added to the supernatant for precipitation, and centrifugation yields PDRN from salmon testes. This invention, through specific buffer systems and enzymatic digestion conditions, increases the PDRN content by 40~60 kDa, allowing for better absorption and utilization by the skin, improving facial hydration and elasticity, effectively reducing facial wrinkles, and improving facial skin condition. It can be used to prepare functional cosmetics.

The invention belongs to the technical field of cosmetics, and particularly relates to collagen peptide with an anti-aging effect as well as a preparation method and application of the collagen peptide. The amino acid sequence of the collagen peptide is as shown in SEQ ID NO.1, and the nucleotide sequence of the collagen peptide is as shown in SEQ ID NO.2. According to the invention, effective sequences of human III type and XVII type collagen are recombined to construct and express the collagen peptide Sa1, and the collagen peptide Sa1 has obvious antioxidant effect, no cytotoxicity and good safety. The skin care product added with the collagen peptide Sa1 can promote skin collagen absorption and effectively exert the anti-oxidation effect, so that the effects of improving skin elasticity and delaying skin aging are achieved.

The application discloses a high-efficiency absorption whitening and freckle-removing skin care product and a preparation process thereof, and belongs to the technical field of cosmetics. The high-efficiency absorption whitening and freckle-removing skin care product contains the following components in terms of weight parts: 0.1-5 parts of a whitening compound (I), 5-10 parts of cocoyl glucoside, 0.5-1 part of menthol, 5-10 parts of phospholipid, 0.5-1 part of EDTA, 0.1-1 part of hyaluronic acid and 150-200 parts of deionized water. The whitening and freckle-removing skin care product has good antioxidant and tyrosinase enzyme activity inhibiting effects, and can realize the effects of whitening and freckle removal.

The application belongs to the technical field of biological medicine, and particularly relates to a composite material containing a local anesthetic and a preparation method thereof. The composite material containing the local anesthetic comprises the following raw materials in parts by weight: bupivacaine hydrochloride 10-15 parts, a light-heat conversion agent 4-8 parts, delta-cadinene 0.5-1 part, a penetration enhancer 1-3 parts, and glycerol 2-5 parts. The light-heat conversion agent and the bupivacaine hydrochloride are added in combination, so that the discomfort caused by photothermal therapy is relieved. The delta-cadinene and the bupivacaine hydrochloride are combined, so that the analgesic effect is improved, the analgesic time is prolonged, the pain caused by frequent dressing change is avoided, and the toxic side effects caused by the accumulation of blood drug concentration are avoided. In addition, the penetration enhancer composed of egg membrane protein peptide and polylysine is introduced, so that the absorption of the effective components by the skin is further promoted, and the analgesic effect is quickly exerted.

The invention discloses a skin care product bottle cap and a skin care product bottle. The skin care product bottle cap comprises a shell provided with a first end and a second end, the first end is provided with a liquid inlet, and the second end is provided with a liquid outlet to be communicated with the liquid inlet; the smearing piece is arranged at the second end and can smear the skin care product flowing out of the liquid outlet to the face; the massage piece is arranged at the second end, and the massage piece is provided with a connecting end and a massage end exposed out of the shell; and the driving part is in driving connection with the connecting end so as to drive the massage part to move. The skin care product bottle cap is provided with the smearing piece and the massage piece with the drive, the skin care product can be smeared to the skin through the smearing piece, manual smearing is not needed, the skin can be automatically massaged through the massage piece during smearing, and skin absorption is promoted.

The application discloses a traditional Chinese medicine body milk and a preparation method thereof. The traditional Chinese medicine body milk comprises the following components by weight: 5-15 parts of traditional Chinese medicine active ingredients derived from an ancient prescription of Danggui Yinzi, 1-3 parts of vitamin E, 0.5-2 parts of ceramide NP with a purity of greater than or equal to 95%, and 0.1-0.5 parts of natural borneol with a purity of greater than or equal to 99%, and the rest is an oil phase matrix, an aqueous phase matrix and an emulsifier. The traditional Chinese medicine active ingredients comprise angelica extract, astragalus polysaccharide, sophoramine and glycyrrhizic flavone, and are obtained by a low-temperature warm extract process at 40-45 DEG C. The preparation method comprises the following steps: raw material pretreatment, warm extract extraction, filtration and purification, precise compounding and fusion, emulsification and molding, and cooling and filling. The product has the advantages that skin irritation is less than 0.3, 24-hour moisturizing power is greater than or equal to 78%, the retention rate of herbal active ingredients is greater than or equal to 83.2%, and absorption is achieved within 5 minutes after smearing, and is specially used for improving the problems of dry skin, itching and difficult healing of wounds caused by blood deficiency and dryness caused by old age and chronic diseases.

A formulation (12) that creates a hormonal response in the body through a topical application. The topical formulation (12) contains botanicals in the form of jasmine flower extract and carob fruit extract. The botanicals are mixed with phospholipids and peptides to promote the absorption of the botanicals into the skin. Once applied to the skin, the jasmine flower extract and the carob fruit extract induce a hormonal response in the body. The hormonal response stimulates the oxytocin neural pathways in the body. This causes the body to believe that oxytocin is present, therein triggering the release of oxytocin within the body. The presence of the oxytocin facilitates physical and pro-social psychological improvements that include an improved libido, improved self-esteem, and improved self-confidence.

The invention discloses a dermatophyte nucleic acid rapid detection kit, which comprises: a CRISPR / Cas12a reaction system, which comprises a Cas12a protein and a corresponding crRNA; the fluorescent reporter probe is provided with a 5 '-end FAM label and a 3'-end biotin label; an anti-FAM antibody-fluorescent quantum dot conjugate; the quantum dot immunochromatography test strip comprises a sample pad, a nitrocellulose membrane and an absorption pad, and the nitrocellulose membrane is provided with a test line and a control line; the control line is coated with streptavidin, and the test line is coated with goat anti-mouse IgG. The invention further discloses a corresponding detection method. Detection can be completed within 1 h, operation is easy and convenient, detection sensitivity and specificity are high, and the method is suitable for rapid detection and field application of dermatophyte.

The present application belongs to the technical field of skin care products, and discloses an anti-aging composition containing tricholoma matsutake and a preparation method thereof. The anti-aging composition comprises the following components: tricholoma matsutake fermentation filtrate, retinol, collagen, ceramide, ginseng extract, chlorella extract, surfactant and water. The mass percentage of each component is as follows: 0.2% to 1% of tricholoma matsutake fermentation filtrate, 0.5% to 2% of retinol, 2% to 8% of collagen, 15% to 25% of ceramide, 1% to 5% of ginseng extract, 0.2% to 1% of chlorella extract, 0 to 4% of surfactant, and the balance of water. The anti-aging composition has the functions of fast absorption, obvious improvement of skin moisturizing, wrinkle resistance and skin tightening through the synergistic effect of the functional components of tricholoma matsutake fermentation filtrate, retinol, collagen, ceramide and antioxidant plant extract.

The invention discloses a rapid-absorption collagen repair membrane and a preparation method thereof, and relates to the technical field of biological materials. The repairing membrane is of a double-layer structure and comprises a purified collagen layer and an absorbable polymer spinning layer loaded with inorganic nanoparticles. The preparation method comprises the following steps: purifying animal skin to obtain a purified collagen layer; the preparation method comprises the following steps: respectively dispersing akermanite and hydroxyapatite nanoparticles, and mixing; adding the mixed dispersion liquid into the absorbable polymer solution to obtain a composite spinning solution; spinning the composite spinning solution on the surface of the collagen layer by adopting an electrostatic spinning method to form a spinning layer; and drying to obtain the repairing film. According to the invention, by regulating and controlling the variety, proportion, crystallinity and spatial distribution of the inorganic particles, the synergistic enhancement of mechanical properties and biological activity is realized, so that the repair film has pH-responsive graded release ability, can automatically adjust degradation behavior according to inflammation intensity, actively adapts to microenvironment, and has good application prospects. The method can be widely applied to the fields of oral soft tissue repair, periodontal wound covering and the like.

This invention belongs to the field of cosmetic technology, specifically relating to a collagen peptide with anti-aging effects, its preparation method, and its application. The amino acid sequence of the collagen peptide is shown in SEQ ID NO.1, and the nucleotide sequence is shown in SEQ ID NO.2. This invention constructs and expresses a collagen peptide Sa1 by recombining the effective sequences of human type III and XVII collagen. This collagen peptide Sa1 exhibits significant antioxidant effects, is non-cytotoxic, and has good safety. Skincare products containing collagen peptide Sa1 can promote the absorption of collagen in the skin, effectively exert antioxidant effects, thereby improving skin elasticity and delaying skin aging.

The present invention discloses a glucosamine derivative nanoparticle and preparation method and use thereof. By self-assembling glucosamine derivatives and ethanol into the form of nanoparticles, the skin penetration rate and cell absorption rate of glucosamine are improved, and at the same time the toxicity to cells and organisms is reduced. The problem of poor absorption of glucosamine is improved by using glucosamine derivative nanoparticles. Furthermore, the glucosamine derivative nanoparticles can be used as a delivery carrier to cover and bring the specified ingredients into the cells or stratum corneum, and to increase the skin penetration rate and cell absorption rate of the specified ingredients.

The invention discloses a terbinafine hydrochloride spray and a preparation method thereof, and relates to the technical field of pharmaceutical preparations. The terbinafine hydrochloride spray comprises the following components in percentage by weight: 0.5%-2% of terbinafine hydrochloride, 30%-60% of ethanol, 10%-20% of a solubilizer, 1%-5% of an absorption enhancer, 0.05%-0.2% of a pH regulator, 0.01%-0.05% of a preservative and the balance of water. In-vitro transdermal experiments show that the steady-state transdermal rate and the skin drug retention volume of the composition are obviously superior to those of a single absorption enhancer group and an enhancer-free group. Animal pharmacodynamic experiments prove that the spray disclosed by the invention has a remarkable improvement effect on skin lesion symptoms caused by fungal infection. The preparation process is simple, the preparation stability is good, the antifungal curative effect is remarkable, and the preparation has a good application prospect.

The invention relates to the field of medical instruments, in particular to a scalp disease treatment cap which comprises a cap body, a massage air bag layer and a flexible medicine coating layer, the massage air bag layer and the medicine coating layer are both located on the inner side of the cap body, and the massage air bag layer is located between the cap body and the medicine coating layer. A plurality of medicine filling gaps are formed in the surface, away from the massage air bag layer, of the medicine coating layer. By means of the scheme, the hindering influence of crust on medicine absorption is reduced, medicine absorption is promoted, and the regression speed of dermatitis diseases is increased.

The utility model discloses a scar repair functional dressing, which comprises a skin-friendly application, the non-woven fabric block is arranged at the central position of the sticking surface of the skin-friendly application; the medicine-containing patch is arranged on the non-woven fabric block; wherein through holes are formed in the center of the non-woven fabric block and the center of the medicine-containing patch, and the area, where the non-woven fabric block is located, of the skin-friendly patch is an ethylene-based thin film layer. According to the dressing with the scar repairing function, the form of liquid medicine is adopted, scar removing liquid is soaked into the medicine-containing patch, after the medicine-containing patch is pasted, redundant liquid medicine can be absorbed by the non-woven fabric block and is prevented from seeping out of the skin-friendly patch, and after the liquid medicine of the medicine-containing patch is absorbed, the non-woven fabric block can be supplied to the medicine-containing patch, so that sufficient absorption of the liquid medicine is guaranteed.

The utility model discloses a kind of venous hot compress sleeve, including the rectangular block of the sleeve main body made of skin-friendly material, sleeve main body is equipped with heating area, the left side of sleeve main body is equipped with first connecting belt, the right side of sleeve main body is equipped with second connecting belt, corresponding position of first connecting belt and second connecting belt is equipped with detachable connecting piece respectively, the position of first connecting belt close to sleeve main body is equipped with infusion leather strip connecting piece, the position of second connecting belt close to sleeve main body is equipped with elastic tightness area.The utility model can realize temperature controllable and heat preservation to a certain extent, improve hot compress operation convenience and security, not only can help patient expand venous vessel, promote drug absorption, also can relieve pain caused by vasospasm, reduce swelling or induration.

Provided are a method for preparing cationic liposomes by using a high-pressure emulsification device, cationic liposomes prepared by the method, and a cosmetic composition, a food composition and a pharmaceutical composition, comprising the cationic liposomes. According to the method for preparing cationic liposomes, toxic organic solvents are not employed and thus it is possible to produce liposomes safe for the skin at mass scale by using a high-pressure emulsification device. In addition, the cationic liposomes prepared by the above method have excellent formulation stability, and are positively charged, so that the skin absorption ability of active ingredients loaded therein may be enhanced. Therefore, the cationic liposomes can be used in cosmetics, foods, drugs, and the like.

Integrated device for the non-invasive personalised treatment of skin blemishes includes: a handpiece for performing a percussive treatment on the body / face, causing a microtrauma on the wrinkle furrow, facilitating the natural recovery and the reduction of the wrinkle depth; a handpiece for carrying out an ablative micro-vibration treatment on the body, suitable to expand or compact the cutaneous tissue by alleviating wrinkles, stretch marks and scars with an exfoliating effect; a handpiece for performing a compressive micro-vibration treatment on the face, expanding the pores of the epidermis; a device for adjusting the rotation and vibration of the handpieces; an electric energy absorption sensor for each handpiece, communicating the detected data to a control unit which acts on the frequency adjustment devices obtaining a variation in the rotation and vibration frequency of the rotors, depending on the mechanical strength of the skin tissue; a communication interface.