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O/W emulsion with a high electrolyte content and its use in dermocosmetics, in particular for treating irritation and/or sensitive skin phenomena
| Details |
Inventors: Sebillotte-Arnaud, Laurence; Gagnebien, Didier;
Assignee: L'Oreal (Paris, FR)
Primary Examiner: Raymond; Richard L.
Assistant Examiner:
Attorney, Agent or Firm: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
A composition in the form of an O/W emulsion comprising at least 2% by weight, relative to the total weight of the composition, of at least one water-soluble metal salt, and from 2-4.5% by weight, relative to the total weight of the composition, of a suitable emulsifying system, excluding compositions comprising 1% by weight of a gelling agent consisting of a combination of a polyacrylamide, C.sub.13 -C.sub.14 isoparaffin and laureth-7 (CTFA). |
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DETAILED DESCRIPTION What is claimed as new and is desired to be secured by Letters Patent of the United States is: 1.
A composition in the form of an O/W emulsion, comprising: a component which alleviates the irritability and intolerance of sensitive skin consisting of at least 2% by weight, relative to the total weight of the composition, of at least one water-soluble metal salt, and from 2-4.
5% by weight, relative to the total weight of the composition, of an emulsifying system consisting of at least one fatty acid ester of polyethylene glycol, at least one fatty acid ester of polyoxycthylenated polyol, at least one fatty acid ester of a polyol or a combination thereof, excluding compositions comprising 1% by weight of a gelling agent consisting of a combination of a polyacrylamide, C.
sub.
13 -C.
sub.
14 isoparaffin and laureth-7.
2.
The composition according to claim 1, which comprises at least 3% by weight of at least one water-soluble metal salt.
3.
The composition according to claim 2, wherein the content of said metal salt is at least 5% by weight.
4.
The composition according to claim 1, wherein the amount of water-soluble metal salts ranges from 2-20% by weight relative to the total weight of the composition.
5.
The composition according to claim 1, wherein the emulsifying system consists of at least one fatty acid ester of polyethylene glycol (PEG) and/or at least one fatty acid ester of a polyoxyethylenated polyol, optionally combined with at least one fatty acid ester of a polyol, which are suitable for the preparation of O/W emulsions.
6.
The composition according to claim 5, wherein the suitable emulsifying system consists of at least one fatty acid ester of PEG and at least one fatty acid ester of a polyol.
7.
The composition according to claim 5, wherein the fatty acids are selected from the group consisting of linear or branched, saturated or unsaturated aliphatic acids comprising at least 10 carbon atoms.
8.
The composition according to claim 5, wherein the fatty acid ester of PEG comprises n PEG units, n being an integer at least equal to 8
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