Cosmetic kaolin-containing preparation

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/70 (2006.01) A61K 8/02 (2006.01) A61K 8/04 (2006.01) A61K 8/26 (2006.01) A61K 8/55 (2006.01) A61Q 17/04 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2203437

The invention contains a cosmetic kaolin-containing preparation which is in the form of a mask, lotion, gel or cream of non-sticky and non-plastic consistency and which contains a mixture of white kaolin with a high kaolinite content and spherical inorganic particles of a particle size of less than 5 µm, in a proportion of spherical particles to kaolin mixture of between 0.5 and 10 wt %, as well as a cosmetic treatment composition. The proportion of the kaolin/spherical particle mixture relative to the total composition is in a range of more than 2 to 65 wt %. The viscosity of the total composition with a portion of kaolin/spherical particles is between 2000 cps and more than 15,000 cps greater than a similar composition containing only kaolin without any spherical particles. The difference in viscosity increases as the portion of kaolin/spherical particles increases. The novel preparation, which is pleasant to the touch and non-irritant, enables high kaolin contents to be attained and is advantageously used in masks and gels.

L'invention concerne une préparation cosmétique contenant du kaolin, qui se présente sous forme de masque, de lotion, de gel ou de crème, de consistance non collante et non plastique, et contient un mélange de kaolin blanc à haute teneur en kaolinite et de particules sphériques inorganiques, dont la grandeur de la particule élémentaire est inférieure à 5 µm, la proportion de particules sphériques représentant entre 0,5 et 10 % en poids du mélange de kaolin, ainsi qu'une composition de soin cosmétique. La proportion du mélange kaolin/particules sphériques, par rapport à l'ensemble de la composition, se situe dans une plage supérieure à 2 à 65 % en poids. La viscosité de l'ensemble de la composition contenant une proportion de kaolin/particules sphériques est supérieur d'environ 2000 cps à plus de 15.000 cps à celle d'une composition similaire ne contenant que du kaolin et exempte de particules sphériques. La différence de viscosité augmente avec une proportion plus élevée de kaolin/particules sphériques. Cette nouvelle préparation agréable au toucher et non irritante, permet d'atteindre des teneurs élevées en kaolin et s'utilise avantageusement dans des masques et des gels.

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