32results about How to "Special water retention" patented technology

The invention provides a preparation method of vitamin C-loaded silk fibroin / hyaluronic acid composite nanofibers. The preparation method comprises following steps: silk fibroin is dissolved in deionized water, and is stirred at room temperature until silk fibroin is dissolved completely so as to obtain a silk fibroin solution with a mass concentration of 30 to 35%; hyaluronic acid is dissolved in deionized water, and is stirred at room temperature until hyaluronic acid is dissolved completely so as to obtain a hyaluronic acid solution with a mass concentration of 2 to 4%; the silk fibroin solution and the hyaluronic acid solution are mixed so as to obtain a silk fibroin / hyaluronic acid mixed solution; sodium L-ascorbyl-2-phosphate is dissolved in the silk fibroin / hyaluronic acid mixed solution, and the mixture is stirred uniformly so as to obtain a mixed electrospinning solution; and the mixed electrospinning solution is subjected to electrospinning so as to obtain the vitamin C-loaded silk fibroin / hyaluronic acid composite nanofibers. The vitamin C-loaded silk fibroin / hyaluronic acid composite nanofibers are capable of simulating the components of extracellular matrix in composition, and the preparation method is capable of endowing the vitamin C-loaded silk fibroin / hyaluronic acid composite nanofibers with excellent physiological properties.

The invention discloses a moisturizing and acne removing toner and a preparing method thereof. The toner comprises, by weight, 50-60 parts of active ingredient extracting solution, 5-10 parts of hyaluronic acid, 25-30 parts of rose hydrosol, 10-15 parts of chamomile hydrosol and 150-200 parts of distilled water. The active ingredient extraction solution comprises, by weight, 9-12 parts of fructus forsythiae, 15-20 parts of fresh portulaca oleracea, 10-15 parts of fresh bitter gourd, 10-18 parts of fresh cucumber, 5-10 parts of honeysuckle, 8-12 parts of roots of isatis indigotica, 8-12 parts of fresh shepherd's purse, 9-13 parts of radix paeoniae rubra, 10-15 parts of fresh carmine radish, 8-12 parts of fresh kochia scoparia, 9-13 parts of radix scutellariae, 7-10 parts of astragali radix, 8-11 parts of eucalyptus globules, 6-8 parts of rhizoma bletillae, 6-9 parts of herb of three-leaved pronephrium, 3-5 parts of cyrtomium yamamotoi tagawa and 4-6 parts of longtube fround ivy herb. The moisturizing and acne removing toner overcomes the defects of an existing product, pathogenic bacteria can be effectively killed while moisturizing is conducted, the face skin is improved and repaired, face acnes are effectively prevented and treated, and the formula is moderate and free of irritation.

The invention discloses a sunscreen for repelling mosquitoes and relieving itching and a preparation method thereof. The composition and mass percentage of the sunscreen are as follows: 3-5% of nano-titanium dioxide particles, terephthalmethylene biscamphorsulfonic acid 2‑5%, ethylhexyl salicylate 6‑10%, emulsifier 3‑5%, hyaluronic acid 5‑10%, olive oil 8‑10%, chamomile essential oil 1‑3%, herbal extract 6 ‑10%, and the balance is water; the raw materials for making the Chinese medicine extract are composed of Artemisia argyi leaves, Scutellaria baicalensis, purslane, borneol, mint leaves, sophora flavescens, white fresh bark, windproof, plantain seed, purslane Perilla leaves, Huoxiang, tangerine peel, aloe vera, radish, golden buckwheat. The formula of the sunscreen is mild and non-irritating, safe and convenient to use, and can protect the skin, prevent mosquitoes and relieve itching while being effective in sun protection.

The invention discloses a lotion for soothing allergy and eliminating redness and a preparation method of the lotion. The lotion consists of the following components in formula: an extraction solution of Chinese traditional medicines, chamomile hydrosol, hyaluronic acid and the balance of distilled water, wherein the extraction solution of Chinese traditional medicines consists of the following raw materials in parts by weight: 2-5 parts of Yongchun fingered citron tea, 6-8 parts of safflower, 2-5 parts of ovate tylophora root and rhizome, 7-10 parts of peristrophe roxburghiana, 10-15 parts of a fresh purslane product, 12-16 parts of a fresh common beet product, 8-12 parts of a fresh aloe product, 1-3 parts of pericarpium canavaliae, 6-9 parts of raw radix astragalis, 5-7 parts of a fresh kochia scoparia product and 6-8 parts of bletilla striata. The lotion, when nourishing and moisturizing, can be used for effectively improving blood circulation in face, soothing allergy and promoting generation of new tissues and improving symptom of facial red blood silk; and the lotion is mild and non-irritant in formula, and the lotion is capable of effectively relieving and treating induced red blood silk.

The invention discloses an acne mark treatment composition which comprises an anti-inflammatory agent, an antioxidant and a moistening agent, wherein the anti-inflammatory agent comprises one or morethan one of a burdock extract, resveratrol, a radix sophorae flavescentis extract and a cortex magnolia officinalis extract. The acne mark treatment composition disclosed by the invention is gentle and non-irritative, and due to adoption of the anti-inflammatory agent, inflammation factor release can be inhibited, and the probability of complication is reduced; due to adoption of the antioxidant,the content of tissue lipid peroxide is reduced, regeneration of damaged tissue is promoted, and acne mark treatment is promoted; due to adoption of the moistening agent, skin can be moistened, skin moisture can be also maintained, cells can be relatively full, and a good synergistic effect is achieved for acne mark treatment. When the acne mark treatment composition is applied to a cosmetic, thecosmetic not only has a good acne mark treatment function, but also has effects of moistening and inflammation elimination, and also has an anti-oxidation function.

The invention provides a preparation method of vitamin C-loaded silk fibroin / hyaluronic acid composite nanofibers. The preparation method comprises following steps: silk fibroin is dissolved in deionized water, and is stirred at room temperature until silk fibroin is dissolved completely so as to obtain a silk fibroin solution with a mass concentration of 30 to 35%; hyaluronic acid is dissolved in deionized water, and is stirred at room temperature until hyaluronic acid is dissolved completely so as to obtain a hyaluronic acid solution with a mass concentration of 2 to 4%; the silk fibroin solution and the hyaluronic acid solution are mixed so as to obtain a silk fibroin / hyaluronic acid mixed solution; sodium L-ascorbyl-2-phosphate is dissolved in the silk fibroin / hyaluronic acid mixed solution, and the mixture is stirred uniformly so as to obtain a mixed electrospinning solution; and the mixed electrospinning solution is subjected to electrospinning so as to obtain the vitamin C-loaded silk fibroin / hyaluronic acid composite nanofibers. The vitamin C-loaded silk fibroin / hyaluronic acid composite nanofibers are capable of simulating the components of extracellular matrix in composition, and the preparation method is capable of endowing the vitamin C-loaded silk fibroin / hyaluronic acid composite nanofibers with excellent physiological properties.

The invention provides a preparation method of hyaluronic acid blended nanofiber immobilized enzyme. Compared with the prior art, the method has the advantages that a hyaluronic acid-modified nanofiber with good biocompatibility and special water-retaining property is utilized by adopting an electrospinning technique; the functional nanofiber is applied to enzyme immobilization, so that the operation is relatively simple and convenient; and the blended PMA-AA@ hyaluronic acid nanofiber is steady in shape, high in porosity and large in specific surface area, and contains a lot of carboxyl. The preparation method can be applied to the field of enzyme immobilization, the supported quantity and the activity of the enzyme are significantly improved, and the method has significant functionality.

The invention discloses high-purity hyaluronic acid luster-effect skin-renewing essence. The high-purity hyaluronic acid luster-effect and skin-renewing essence is prepared from the following raw materials in parts by weight: 0.1 to 1 part of carbomer, 1 to 10 parts of glycerol, 1 to 10 parts of propylene glycol, 1 to 10 parts of jojoba oil, 0.1 to 1 part of triethanolamine, 0.1 to 5 parts of vitamin E, 0.05 to 1 part of sodium hyaluronate, 0.1 to 1 part of Germaben-II, 0.1 to 3 parts of polydimethylsiloxane, 0.1 to 1 part of allantoin, 1 to 10 parts of an aloe extracting solution, 8 to 15 parts of an earthworm extracting solution, 0.05 to 0.5 part of a flavoring agent and 10 to 100 parts of pure water. The essence disclosed by the invention has remarkable moisture-keeping, nourishing and anti-oxidization effects.

The invention provides the application of human umbilical cord mesenchymal stem cell compound cytokines in the preparation of biological preparations for repairing skin damage. The skin damage includes laser burns, thermal burns, freezing injuries, or physical and chemical damage to the skin from common trauma . In the present invention, for the first time, the compound growth factor of umbilical cord stem cells is used in the treatment of human skin laser damage. Under certain storage conditions, the compound cytokines of human umbilical cord mesenchymal stem cells can preserve the maximum activity and exert the maximum damage repairing effect.

The invention provides an application of an immortalized human lung microvascular endothelial cell complex cell factor in preparing a biological agent for repairing tissue skin full-thickness defects and preparing a biological agent for treating ischemic hypoxic tissue injury. The complex cell factor is a cell factor secreted by a low-oxygen cultured immortalized human lung microvascular endothelial cell, and does not contain a hereditary material (DNA or RNA). According to the application, the immortalized human lung microvascular endothelial cell complex cell factor promotes the formation of a local blood vessel by being locally applied, achieves obvious effect and plays an obvious tissue regeneration role on injury diseases, namely skin tissue defect and the like; the cell complex cell factor has multiple effective components capable of promoting angiogenesis, can promote the revascularization and can be used for repairing the injured tissues, accelerating the growth and healing of the injured tissues, regulating the immune reaction, and the like.