Skin moisturizing and protective cosmetic compositions

Details Skin moisturizing and protective cosmetic compositions Skin moisturizing and protective cosmetic compositions

A - Human Necessities

61

K

A61K 8/29 (2006.01) A61K 8/35 (2006.01) A61K 8/37 (2006.01) A61K 8/72 (2006.01) A61Q 17/04 (2006.01)

Patent

CA 2231275

The present invention refers to skin moisturizing and protective cosmetic compositions against ultraviolet and infrared radiation, comprising a new active components association, formulated with vehicles and additives already known by themselves. Specifically, these compositions contain an active components set comprising: (a) a physical filter, constituted of coated titanium dioxide and/or titanium dioxide and mica, in a general ratio varying between 0,500 % to 6,000 % by weight; (b) a chemical filter, constituted of at least one component of the group constituted of octyl metoxycinnamate, butyl metoxy dibenzoyl methane, benzophenone 3, in a general ratio varying between 2,700 % to 20,000 % by weight; (c) an antiradicals agent, being this natural melanin, in a general ratio varying between 0,005 % to 1,000 % by weight; (d) a usual moisturizing agent, which can be associated to a usual complementary antiradicals agent, in a general ratio varying between 0,100 % to 2,000 % by weight; (e) oligoelements, which can exhibit moisturizing action, in a general ratio varying between 0,500 % to 5,000 % by weight as active components being the remaining to complete cosmetic composition's 100,000 %, constituted of vehicle and usual additives.

La présente invention a trait à des compositions cosmétiques hydratantes et protectrices pour la peau contre les rayonnements ultraviolet et infrarouge, comprenant une nouvelle association de composants actifs, préparés avec des excipients et des additifs déjà connus. Spécifiquement, lesdites compositions contiennent un ensemble de composants actifs comprenant: (a) un filtre physique constitué de dioxyde de titane enrobé et/ou de dioxyde de titane et de mica, généralement dans des proportions variant entre 0,5 % et 6 % en poids; (b) un filtre chimique, constitué d'au moins un composant d'un groupe constitué d'octylméthoxycinnamate, de méthoxy-dibenzoylméthane de butyle, de benzophénone 3, généralement dans des proportions variant entre 2,7 % et 20 % en poids; (c) un agent anti-radicaux, comme la mélanine naturelle, généralement dans des proportions variant entre 0,005 % et 1 % en poids; (d) un agent hydratant usuel, pouvant être associé à un agent anti-radicaux complémentaire, généralement dans des proportions variant entre 0,1 % et 2 % en poids; (e) des oligo-éléments présentant une action hydratante, généralement dans des proportions variant entre 0,5 % et 5 % en poids. A ces composants actifs s'ajoutent des excipients et des additifs usuels complétant la composition cosmétique à hauteur de 100 %.

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