Abstract:
PURPOSE: Nanoemulsion from alkoxylated alkenyl succinate or alkoxylate alkenyl succinate of glucose, and its preparation method are provided, for moisturizing the skin and/or mucous membrane or treating the eyes in cosmetics, dermatology, ophthalmology and/or pharmaceutics. CONSTITUTION: A nanoemulsion comprises 0.2-15 wt% of at least one surfactant selected from alkoxylated alkenyl succinate, alkoxylated alkenyl succinate of glucose and alkoxylated alkenyl succinate of methylglucose; at least one oil whose molecular weight is more than 400; optionally 0.01-5 wt% of at least one ionic amphiphilic lipid selected from the group consisting of anionic amphiphilic lipids and alkylsulfonic acid derivatives; 0.01-30 wt% of optionally additives for improving transparency, selected from alcohols of low molecular weight, glycol, sugar and their mixture; and optionally cosmetic, dermatological, ophthalmological or pharmaceutical active ingredients, wherein the ratio of the oil to the surfactant is 2-10, preferably 3-6 by weight, and the nanoemulsion contains the oil phase diffused in oil drop and aqueous phase whose number mean size is less than 100 nm. The nanoemulsion is prepared by stirring the aqueous phase and the oily phase strongly at the temperature of 10-80°C to mix them; and homogenizing the mixture at the pressure of 6X10¬6 - 18X10¬7 Pa.
Abstract:
PURPOSE: Nanoemulsion based on alkylethercitrate is provided to give the stability of storage, the maintenance of good transparency and the incorporation of bulky oil with good cosmetic property. In addition to the nanoemulsion above, their use in cosmetics, skin science, pharmacy and/or ophthalmology are provided. CONSTITUTION: A nanoemulsion is comprised of oil phase dispersed in water phase, has less than 100nm of number average size of oil small sphere, contains anionic surfactants selected from alkylethercitrate, also at least one oil having more than 400 of molecular weight, and has 2 to 10 at their ratios of oil phase for amounts of the surfactant. The nanoemulsion is characterized in that its turbidity is 60 to 600 NTUs. The amount of the surfactant is characterized by being 0.2 to 15wt%, preferably 3 to 6wt% based on total weight of nanoemulsion.
Abstract:
PURPOSE: A nanoemulsion based on fatty esters of sugar or fatty ethers of sugar is provided, which has stability in preservation; maintains excellent transparency; has good cosmetic property; and contains a lot of oil. An use of the nanoemulsion in the fields of cosmetics, dermatology and/or ophtalmology is also provided. CONSTITUTION: A nanoemulsion based on fatty esters of sugar or fatty ethers of sugar comprises of: a surfactant(C8-C22 fatty esters of sucrose, maltose, glucose and fructose, esters of C14-C22 fatty acid and methylglucose, alkyl polyglucoside and mixture thereof) being solid under 45°C, selected from an esters of fatty acid and sugar, and an ether of fatty alcohol and sugar; one or more oil having over 400 of molecular weight. In the o/w nanoemulsion, weight ratio of oil phase to the surfactant is 2-10, and average size of an oil globule of the nanoemulsion is smaller than 100nm by passing through high-pressure homogenizer more than one times.
Abstract:
본 발명은, 45 ℃ 이하의 온도에서 고체이며 지방산과 당의 에스테르 및 지방알코올과 당의 에테르로부터 선택되는 계면활성제, 및 분자량이 400 초과인 하나 이상의 오일을 함유하는 나노에멀션으로서, 계면활성제의 양에 대한 오일상의 양의 중량비가 2 내지 10 이고, 오일 소구체(globule)의 수평균 크기가 100 nm 미만인 나노에멀션에 관한 것이다. 사용되는 계면활성제는, 예를 들면 수크로스, 말토스, 글루코스 및 프룩토스의 C 8 -C 22 지방산 에스테르, C 14 -C 22 지방산과 메틸글루코스의 에스테르, 알킬 폴리글루코시드 및 이들의 혼합물로부터 선택된다. 수득되는 에멀션은 투명하며, 저장에 대해 안정하다. 이는 우수한 투명도를 유지하고 우수한 화장 특성을 가지면서 다량의 오일을 함유할 수 있다. 본 발명은 또한, 본 발명에 따른 나노에멀션의, 화장품 및 피부학 분야에서의 용도, 특히 피부 및/또는 점막의 보습, 및 모발의 트리트먼트를 위한 용도, 및 눈의 트리트먼트를 위한 안약으로서 안과학 분야에서의 용도에 관한 것이다.
Abstract:
PURPOSE: An oil-polyol type emulsion is provided, which has good makeup characteristics, uses a small amount of surfactant, and comprises a large amount of a polyol without containing lecithin or a lecithin derivative. CONSTITUTION: An organogel composition in the form of an emulsion of an oil phase dispersed in a glycol phase has a surfactant system capable of forming a lamellar phase in contact with the glycol phase, contains little surfactant and obviates the need to add surfactants based on lecithin. In an organogel composition in the form of an emulsion of an oil phase dispersed in a glycol phase with a surfactant system, the surfactant system contains nonionic surfactant(s) capable of forming a lamellar phase in contact with the glycol phase and has a hydrophile-lipophile balance(HLB) value of 1-10, the glycol phase comprises glycerol and glycol(s) and forms at least 30 wt.% of the total composition, and the weight ratio of glycol phase/surfactant system is >=20.
Abstract:
PURPOSE: A nanoemulsion based on fatty esters of oxyethylated or non-oxylated sorbitan is provided, which is stable in preservation; maintains excellent transparency; has good cosmetic property; and contains a lot of oil. An use of the nanoemulsion in the fields of cosmetics, dermatology and/or ophthalmology is also provided. CONSTITUTION: A nanoemulsion based on fatty esters of oxyethylated or non-oxylated sorbitan comprises of: a surfactant being solid under 45°C, selected from sorbitan fatty ester and oxyethylated sorbitan fatty ester; one or more oil having over 400 of molecular weight; more than one of ionic pro-bipolar lipid selected from a group comprising alkalic salt of dicetyl and dimyristyl phosphate, alkalic salt of cholesterol sulfate, alkalic salt of cholesterol phosphate, lipoamino acid, sodium salt of phsphatidic acid, cationic pro-bipolar lipid, and alkyl sulfon derivatives; and weight ratio of oil phase to the surfactant is 2-10, and average size of oil globule of the nanoemulsion is smaller than 100nm.