Novel nanoemulsions

Details Novel nanoemulsions Novel nanoemulsions

A - Human Necessities

61

K

A61K 8/36 (2006.01) A61K 8/06 (2006.01) A61K 8/362 (2006.01) A61K 8/37 (2006.01) A61K 8/40 (2006.01) A61K 8/41 (2006.01) A61K 8/42 (2006.01) A61K 8/44 (2006.01) A61K 8/46 (2006.01) A61K 8/86 (2006.01) A61Q 17/04 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2442660

The invention provides oil-in-water nanoemulsions comprising as a primary surfactant a ternary system comprising at least one of each of an anionic surfactant, a bridging surfactant, and a cationic surfactant, preferably in a ratio of 1:>=1:<=1, with an overall substantially neutral charge. The nanoemulsions of the invention may be translucent or transparent, and provide a substantive and water-resistant vehicle for application of cosmetic, skin care or pharmaceutical products to skin and hair.

L'invention concerne des nanoémulsions huile dans l'eau comprenant comme tensioactif primaire un système ternaire qui renferme au moins un tensioactif anionique, cationique et de formation de ponts, de préférence dans un rapport molaire de 1:>=1:<=1, une charge globale étant sensiblement neutre. Les nanoémulsions peuvent être translucides ou transparentes, et fournir un excipient substantif et hydrorésistant utilisé dans une application de cosmétique, de soins pour la peau ou de produits pharmaceutiques pour la peau ou les cheveux.

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