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556results about How to "Good skin feel" patented technology

Mild soap base cleansing cream composition and production process thereof

The invention discloses a mild soap base cleansing cream composition and a production process thereof. The composition comprises, by weight, 2.0% to 50.0% of soap base, 2.0% to 30.0% of negative ion surface active agents, 0.5% to 20.0% of rheolobic modifiers and the balance water. The production process of the mild soap base cleansing cream comprises the following steps: firstly diluting fatty acid with other constituents, compatible with the fatty acid, in the formula and enabling the diluted fatty acid to disperse into fatty acid oil drips through blending; then adding in alkali liquor, so that tiny soap particles are generated after the alkali liquor contacts with the fatty acid oil drips; and finally adding in the constituents which can be added at a low temperature and blending evenly so that materials can be discharged directly. The mild soap base cleansing cream composition has a mild and moistening function, so that a skin can be neither dry nor tight and touches well after being washed. The mild soap base cleansing cream composition also has good high low temperature stability. The production process of the mild soap base cleansing cream is simple and easy to operate, has good repeatability, and can avoid quality problems frequently occurring in the production of a soap base cleansing cream.
Owner:浙江萃芙化妆品有限公司

Medical composite dressing for wound repair and preparation method thereof

The invention discloses a medical composite dressing for wound repair. The dressing comprises an inner layer which is in contact with a wound, a middle layer and an outer layer. The dressing is characterized in that: the inner layer is a chitosan / polyvinyl alcohol / oxidized sodium alginate blended nano-fiber antibacterial layer; the middle layer is an aerogel moisture absorption layer prepared by subjecting a sodium alginate / polyvinyl alcohol / sodium carboxymethyl cellulose nanofiber membrane to shearing and freeze-drying treatment; and the outer layer is a non-woven fabric breathable layer, andthe inner layer, the middle layer and the outer layer are compounded through medical glue. According to the composite dressing, the mechanical property of the dressing is improved by utilizing an electrostatic spinning technology. Meanwhile, the nanofiber membrane prepared according to the electrostatic spinning technology and the nanofiber membrane aerogel obtained through aftertreatment have high porosity and large surface area, the excellent breathability can be achieved while the high moisture absorption and moisture retention performance is guaranteed, exudate diffusion is reduced, the skin is kept clean, and the dressing can be widely applied to recovery treatment of various wounds.
Owner:DONGHUA UNIV

Whitening liquid crystal composition as well as preparation method and application thereof

The invention relates to the field of cosmetics and provides a whitening liquid crystal composition. The whitening liquid crystal composition is prepared from whitening active ingredients and liquid crystal carriers, wherein the whitening active ingredients are prepared from at least two of an active ingredient for promoting exfoliation, a tyrosinase inhibitor, an active ingredient for inhibitingmelanosome migration, an antioxidant active ingredient, an anti-inflammation active ingredient and an anti-glycation active ingredient; the liquid crystal carriers are prepared from the following rawmaterials: a liquid crystal emulsifying agent, a co-emulsifier and an emulsification thickening agent; the whitening liquid crystal composition is also prepared from liquid-state lipide for dissolvingthe whitening active ingredients and the liquid carrier raw materials as well as water. According to the whitening liquid crystal composition, through compounding of different whitening mechanisms and load of the liquid crystal carriers, an obvious synergetic effect is achieved, the stability and the whitening effect of the whitening liquid crystal composition can be obviously improved, and meanwhile, the problem of skin irritation easily caused by the load of the whitening active ingredients with high concentration is solved.
Owner:WUHAN BEST CARRIER NANO TECH

Vegetable-fat nano-emulsion prepared by D-phase emulsifying method and preparation method thereof

The invention provides a vegetable-fat nano-emulsion prepared by a D-phase emulsifying method. The vegetable-fat nano-emulsion comprises, by weight percentage, 5-20% of polyol, 1-10% of emulsifier, 5-30% of vegetable fat and the balance water. The invention further provides a preparation method of the vegetable-fat nano-emulsion. The preparation method includes: mixing glycerin, butanediol or propylene glycol with the emulsifier, and heating to obtain a mixed component; heating the vegetable fat to obtain an oil-phase component, adding the oil-phase component into the mixed component, and stirring to obtain a gel-phase component; heating a water phase, then adding into the gel-phase component, mixing and stirring, and cooling to room temperature to obtain the O/W type vegetable-fat nano-emulsion, wherein the particle size of the dispersion-phase particles of the O/W type vegetable-fat nano-emulsion is 200-700 nanometers. The vegetable-fat nano-emulsion and the preparation method thereof have the advantages that the particle size of the vegetable-fat nano-emulsion is lowered, so that the vegetable-fat nano-emulsion can be favorably absorbed by the skin; the adding amount of the emulsifier in the vegetable-fat nano-emulsion is lowered, so that the irritation of the vegetable-fat nano-emulsion to the skin is lowered; in addition, the vegetable-fat nano-emulsion is good in stability.
Owner:SHANGHAI INST OF TECH
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