Stable topical compositions

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/107 (2006.01) A61K 47/30 (2006.01)

Patent

CA 2225444

The present invention relates to leave on, skin care compositions, comprising: (A) from about 0.001 % to about 20 % of an active ingredient, (B) from about 1 % to about 20 % of a stable, hydrophobic, structuring agent selected from the group consisting of saturated C16 to C30 fatty alcohols, saturated C16 to C30 fatty alcohols containing from about 1 to about 5 moles of ethylene oxide, saturated C16 to C30 diols, saturated C16 to C30 monoglycerol ethers, saturated C16 to C30 hydroxy fatty acids, and mixtures thereof, having a melting point of at least about 45 ~C; and (C) from about 0.05 % to about 10 % of a hydrophilic surfactant selected from the group consisting of anionic surfactants, cationic surfactants, zwitterionic surfactants, and mixtures thereof; and (D) from about 25 % to about 98.949 % water. These compositions are useful for delivering a wide variety of active ingredients to the skin.

La présente invention a pour objet des compositions cosmétiques à garder sur la peau, comprenant: (A) entre environ 0,001 % et environ 20 % d'un ingrédient actif, (B) entre environ 1 % et environ 20 % d'un agent structurant, hydrofuge, stable, sélectionné parmi le groupe composé d'alcools gras C¿16? à C¿30? saturés, d'alcools gras C¿16? à C?30? saturés contenant entre environ 1 et environ 5 moles d'oxyde d'éthylène, de diols C¿16? à C¿30? saturés, d'éthers de monoglycérol C¿16? à C¿30?, d'acides hydroxyliques gras C¿16? à C¿30? saturés, et d'un mélange de ces composants, avec un point de fusion d'au moins environ 45 ·C; et (C) entre environ 0,05 % et environ 10 % d'un agent tensioactif hydrofuge sélectionné parmi le groupe composé d'agents tensioactifs anioniques, d'agents tensioactifs cationiques, d'agents tensioactifs de zwitterion, et d'un mélange de ces agents; et (D) entre environ 25 % et environ 98,949 % d'eau. Lesdites compositions permettent d'apporter à la peau une grande variété d'ingrédients actifs.

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