RIPPLE-PHASE-CONTAINING COMPOSITION, alpha-GEL FORMATION COMPOSITION, EXTERNAL SKIN CARE COMPOSITION USING alpha-GEL FORMATION COMPOSITION, AND alpha-GEL COMPOSITION USING alpha-GEL FORMATION COMPOSITION
An external composition and composition technology, applied in the direction of medical preparations containing active ingredients, skin care preparations, and cosmetic preparations, etc., can solve problems such as stickiness that cannot be easily disappeared, difficult to evaporate, and easy to produce greasy. , to achieve excellent moisturizing effect
Active Publication Date: 2018-08-31
SHISEIDO CO LTD
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Problems solved by technology
However, when a large amount of such an oil component and a moisturizing agent are blended, there is a disadvantage that oiliness and stickiness tend to occur
In particular, when an α-gel formed of a higher aliphatic alcohol, a higher fatty acid, and a hydrophilic surfactant is mixed together to maintain emulsion stability, the lamella-like interlayer of the α-gel formed in water, A large amount of water phase is oriented (for example, refer to Reference 3), and it is difficult to evaporate easily, so stickiness during coating cannot be easily eliminated
[0007] Furthermore, water-in-oil (W / O) skin external preparations have a high skin protection effect due to the blocking effect of oil components (for example, reference 4), but the α-gel composition is basically formed in the water phase, so there is no formulation. Precedent of mixing in water-in-oil (W / O) skin external preparations
Method used
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Embodiment
[0128] Hereinafter, the present invention will be described in further detail through examples, but the present invention is not limited thereto. It should be noted that, unless otherwise specified, the compounding amounts are all expressed in mass %.
[0129] First, it will be described from test results that the α-gel of the present invention does not exist in preparations with a high water content. In anticipation of the situation of water volatilization and drying, each composition shown in Table 1 was prepared at 75°C to prepare conventional α-gel composed of sodium stearyl N-methyl taurate and behenyl alcohol, and polyoxygen Ethylene (10 moles) Phytosterol (trade name: Nickel BPS-10): Polyoxyethylene (6 moles) Distearic acid (trade name: Emalex 300DI-S): Polyoxyethylene (10 moles) behenyl ether (trade name: NICKOL BB-10) (6:2:2) α-gel preparation.
[0130] In addition, in the composition of Table 1, the composition of the part described as the α gel component is shown ...
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The present invention addresses the problem of providing a ripple-phase-containing composition, an alpha-gel formation composition, and an alpha-gel composition that uses the alpha-gel formation composition, wherein said compositions are highly stable, do not deposit crystals, become more viscous, etc. over time, and, when used in a preparation for external use, are refreshing during application and have high skin-moisturizing action after application. A gel composition that includes a polyoxyethylene dialkyl ester and / or a polyoxyethylene dialkyl ether, a polyoxyethylene alkyl ester and / or apolyoxyethylene alkyl ether, and, preferably, a polyoxyethylene sterol ether and water.
Description
[0001] related application [0002] This application claims priority from Japanese Patent Application No. 2016-013168 filed on January 27, 2016, which is hereby incorporated by reference. technical field [0003] The present invention relates to a composition containing a corrugated phase, a composition for forming an α gel, and a composition for external use on the skin and an α gel composition using the same, particularly an α gel formed substantially only of a polyoxyethylene surfactant combination. Background technique [0004] In order to maintain the emulsification stability of external skin preparations such as cosmetics, quasi-drugs, and pharmaceuticals, α-gels containing α-gels formed from higher aliphatic alcohols, higher fatty acids, and hydrophilic surfactants have been used. Gum for external use on the skin. Such an α-gel stabilizes the skin external preparation due to its high viscosity, but it has a slippery feeling when applied, and in terms of stability, t...
Claims
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IPC IPC(8): A61K8/39A61K8/02A61K8/06A61K8/63A61K8/86A61Q17/04A61Q19/00
CPCA61K8/39A61Q19/00A61K8/86A61K8/06A61K8/042A61K2800/596A61K8/062A61K8/064A61K8/63A61Q17/04C08L71/02A61K8/34A61K8/361A61K2800/5922A61K2800/594
Inventor 宫原令二冈隆史宇山允人田边沙织米泽彻朗矢岛美保大平乃梨子西川纱织
Owner SHISEIDO CO LTD