Invention Grant
US08765821B2 Oil-in-water type cosmetic emulsion 有权
油包水型化妆品乳液

Oil-in-water type cosmetic emulsion
Abstract:
The invention provides an oil-in-water type cosmetic emulsion which can be applied to the skin without stickiness, and impart resilient and supple feel to the skin, while having good stability without causing viscosity decrease or separation even during a long-term storage. The oil-in-water type cosmetic emulsion comprises (a) a higher alcohol having 14 to 22 carbon atoms, (b) a hydrophilic polyoxyethylene alkyl ether, and (c) a glycerin monoalkyl ether, wherein alkyl moieties in (b) and (c) are linear saturated alkyl chains, and molar concentrations of (a) to (c) satisfy a relation [(b)+(c)]/(a)=0.1 to 1.0, and preferably satisfy a relation [(a)+(c)]/(b)=3 to 20.
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