Surfactant-free cosmetic composition
AssigneeAmorepacific Corporation
InventorsSeong Chan Eo, Seung Han Park, Byung Fhy Suh, Ji Sik Shin, Dong Won Choi, Byung Guen Chae
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Abstract
A surfactant-free cosmetic composition is disclosed. The composition is a stable water in silicone oil (W/S) formulation containing a silicone oil phase portion and an aqueous phase portion, wherein the silicone oil phase portion contains an emollient having a pyrrolidone carboxylic acid group, oil-absorbing powder and silicone oil, and the aqueous phase portion contains 50 wt.% or more of water based on the total weight of the surfactant-free cosmetic composition. The composition may further contain a high content of vitamin C or a vitamin C derivative and has improved long term storage stability.
Claims17
A surfactant-free cosmetic composition which is a water in silicone oil (W/S) formulation comprising a silicone oil phase portion and an aqueous phase portion,
- wherein the silicone oil phase portion contains an emollient having a pyrrolidone carboxylic acid group, oil-absorbing powder, and silicone oil, and the aqueous phase portion contains water;
- wherein a content of the aqueous phase portion is 75 wt % or more and 83% or less based on a total weight of the surfactant-free cosmetic composition;
- wherein the surfactant of the surfactant-free cosmetic composition is selected from the group consisting of polyethylene glycol (PEG), lauryl polyglyceryl-3-polydimethylsiloxyethyl dimethicone, lauryl PEG-9-polydimethylsiloxyethyl dimethicone, and PEG-10 dimethicone;
- wherein the content ratio of the emollient having the pyrrolidone carboxylic acid group and the oil-absorbing powder is 1.5:1 to 1:1.5;
- wherein the weight ratio of a total amount of the emollient having the pyrrolidone carboxylic acid group plus the oil-absorbing powder to an amount of the silicone oil is 10:11 to 7:11;
- and
- wherein said composition is not solid at room temperature.
Dependencies are inferred from the claim text.