Abstract:
PURPOSE: An external agent composition for application to the skin is provided which is maximized in skin absorption by containing ginsenoside F1 as a major metabolite of Panax Ginseng prepared by a bioconversion process within nanoemulsions or liposomes using nanoemulsion techniques. Therefore, the external skin agent composition has improved transdermal absorption rate and an excellent skin aging-preventing effect such as wrinkle abatement. CONSTITUTION: An external skin agent composition contains 10¬-8 to 99.00% by weight of nanoemulsion particles having an average particle size of 30 to 500nm. The nanoemulsion particles contain 10¬-8 to 99.00% by weight of ginsenoside F1 of the formula 1 as an effective ingredient through nanoemulsion techniques, wherein the ginsenoside F1 is prepared by bioconversion of ginseng saponin and removal of sugar.
Abstract:
A percutaneous releasing material and agent having characteristics that include a high stability of an active agent in the formulation, a high topical absorption rate, decreased irritation on the skin, and an increased tactile comfort. The percutaneous releasing material incorporates an external application agent composition that is prepared by using nanometer-sized polymer particles, i.e., particles having a size or diameter between approximately 1 nm and approximately 500 nm, and more preferably having a size between about 30 nm and about 150 nm. Further, the percutaneous releasing material and agent according to the present invention incorporate polymer particles that preferably contain a physiologically active agent that more readily penetrates through the stratum corneum to the upper layer of the dermis, whereby the physiologically active agent is effused into the skin while staying in the upper layer of dermis.
Abstract:
PURPOSE: A process of preparing nanoemulsion particles including 3-aminopropyl tocopheryl phosphate(Toco-APPA) is provided. A skin agent for external use containing the nanoemulsion particle has no skin irritation and increases transdermal absorption of the Toco-APPA to produce tocopherol and 3-APPA(3-aminopropylphosphoric acid). The skin agent promotes antioxidant effect and collagen biosynthesis, by decomposition of transdermally absorbed Toco-APPA. CONSTITUTION: A nanoemulsion particle is characterized by comprising 0.001 to 50% by weight of 3-aminopropyl tocopheryl phosphate of formula(I), based on the total weight of the emulsion particle. In formula, R1, R2 and R3 are H or methyl and have at least one methyl group at the position of 5, 7 or 8 of tocopherol, A is -CH2-CH(CH3)- or -CH=C(CH3)-.
Abstract:
PURPOSE: Provided is a process of preparing nanoparticles having excellent transdermal absorption-promoting effect while at the same time improving physicochemical stability of nanoparticles when applied to the skin by adding alcohol, diol or polydiol to a formulation. Therefore, the nanoparticles provide enhanced transdermal absorption property and are thus used as a cosmetic and pharmaceutical compositions having a desired effect on the skin. CONSTITUTION: Nanoparticles contain a physiologically active component thereinside and have a particle size of 10 to 300nm. They are manufactured using phospholipid or a derivative thereof derived from lecithin or derivatives thereof. During the manufacture of the nanoparticles, monoalcohols, diols or polyols is added as alcohol.
Abstract:
PURPOSE: An external agent composition for application to the skin is provided which contains a compound K prepared by bioconversion of ginseng saponin as an effective ingredient. By the inclusion of the compound K as a major metabolite of Panax Ginseng into nanoemulsions or liposomes using nanoemulsion techniques, the agent composition has improved transdermal absorption and excellent skin aging-preventing effect such as wrinkle abatement. CONSTITUTION: An external skin agent composition contains 10¬-8 to 99.00% by weight of nanoemulsion particles, the nanoemulsion particles contain 0.001 to 30% by weight of a compound K of the formula 1. The compound K is prepared by acid hydrolysis, base hydrolysis or enzyme hydrolysis of a Panax Ginseng extract. The nanoemulsion particles having an average particle size of 30 to 500nm include liposomes containing lecithin, a lecithin derivative and a co-emulsifier.
Abstract:
PURPOSE: A skin composition for external use containing a nano mineral aqueous solution is provided. Therefore, the composition has skin moisturizing effect, cell activating effect and a transdermally absorption promoting effect of a physiologically active ingredient. CONSTITUTION: A skin composition is prepared by including retinol or co-enzyme Q10 as an active ingredient into clustered water of a nano mineral aqueous solution. The nano mineral aqueous solution contains 0.01 to 500mM mineral, in particular 0.1 to 100mM calcium as a main ingredient. The nano mineral aqueous solution contains: cations such as alkali cation metal species, alkaline earth cation species, cation transition metal species or Group III elements; and anions such as Group VII elements, oxides of Group VII elements, low molecular compounds or high molecular compounds of an organic anion.
Abstract:
PURPOSE: A process of stabilizing lecithin at room temperature for a long period time by mixing lecithin with tocopherol derivatives is provided. Therefore, the stabilizing process does not need separate purifying and separating processes, the mixed composition of lecithin and tocopherol derivatives can be included in foods, cosmetics, drugs or the like. CONSTITUTION: A tocopherol derivative of formula(I) is added to lecithin in a ratio of 0.01 to 5.0 times, based on the total weight of lecithin. In formula, R1, R2 and R3 are H or methyl, at least one of R1, R2 and R3 is methyl, A is CH2-CH(CH3)- or CH=C(CH3)-. For an example, 9.87g phosphorous oxychloride is dissolved in 10ml THF and added with a mixture of 21.54g α-tocopherol, 6.10g triethylamine and 40mg THF to produce tocopherol dichlorophosphate. Then the tocopherol dichlorophosphate is added with a mixture 3.76g 3-amino-1-propanol, 11.11g triethanolamine and 20ml THF for 1hr to produce 2-tocopherol tetrahydro-2H-1,3,2-oxazaphosphorine P-oxide. The 2-tocopherol tetrahydro-2H-1,3,2-oxazaphosphorine P-oxide is added with hydrocholic acid and agitated after removing triethylammonium chloride to produce 25g 3-aminopropyl-α-tocopherol phosphate.
Abstract:
PURPOSE: Provided are a stabilization method of a nano-emulsion particle using tocopheryl derivatives which keep physiologically active components stable for a long time, and an external application for skin containing the stabilized nano-emulsion. CONSTITUTION: In the manufacturing of a nano-emulsion particle using lecithin, the stabilization method of the nano-emulsion particle is characterized by adding tocopheryl derivatives of the formula(I) in the amount of 0.01-10 times by the total weight of lecithin. In the formula(I), R1, R2 and R3 are H or a methyl group and at least one of them is a methyl group; and A is CH2-CH(CH3)- or CH=C(CH3)-. The nano-emulsion particle contains a physiologically active material.
Abstract:
PURPOSE: Provided is a method for manufacturing a kojic acid derivative which shows a stability in water, and consequently, prevents decolorization and suits long term storage, when applied in manufacturing cosmetics. CONSTITUTION: Kojic acid is manufactured by the following steps of: i) reacting 3-amino-1-propanol and phosphorous oxychloride in an equivalence ratio of 1:1-1.3, in the presence of organic bases, under organic solvent at 0-5 deg.C for 1-2 hours to make 2-chlorotetrahydro-2H-1,3,2-oxaza phosphorin P-oxide; ii) reacting 2-chlorotetrahydro-2H-1,3,2-oxaza phosphorin P-oxide and kojic acid, in the presence of bases, under organic solvent; iii) filtering the solution, adding purified water to remnants, and hydrolyzing the mixture at 5-100 deg.C for 3-10 hours: and iv) crystallizing the mixture with polar organic solvent.
Abstract:
본 발명은 화장품에 사용되는 수용성 활성성분을 함유하는 마이크로캡슐에 있어서, 활성성분을 다량 함유하면서 그들의 안정성을 향상시키기 위하여 내부구조를 중공형으로 하고, 소수성 고분자로 제조한 중공형 소수성 고분자 마이크로캡슐 및 이의 제조방법, 및 이를 함유하는 화장료 조성물에 관한 것이다.