Topical anti-acne composition

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/19 (2006.01) A61K 31/40 (2006.01) A61K 33/40 (2006.01) A61P 17/10 (2006.01)

Patent

CA 2406680

The present invention is directed towards a topical composition for the treatment of acne comprising water, an organic peroxide, an alpha hydroxy acid, a moisturizer, an isosorbide and a detergent. This invention also is directed to a method of making the composition of this invention. The method involves (1) heating water to between 60 °C and 70 °C; (2) adding a detergent base to the water and mixing the solution; (3) cooling the solution and adding an alpha hydroxy acid, an isosorbide and sodium pyrollidone carboxylate; (4) continuing to cool the solution to between 25 °C and 35 °C and then adding benzoyl peroxide and a preservative to the solution; (5) mixing and milling the product until smooth; and (6) adjusting the pH of the product to a pH of 3-5 with a base. This invention also is directed towards a method for treating a patient afflicted with acne by applying the composition of this invention to the affected areas of the patient's skin.

Cette invention a trait à une composition topique de traitement de l'acné. Cette composition contient de l'eau, un peroxyde organique, un acide alpha hydroxy, un agent hydratant, un isosorbide et un détersif. Elle porte également sur un procédé de fabrication de cette composition. Ce procédé consiste, (1), à chauffer de l'eau entre 60 et 70 DEG C, (2), à ajouter une base détersive à cette eau et à mélanger la solution, (3), à refroidir la solution et à ajouter un acide alpha hydroxy, un isosorbide et un carboxylate de pyrollidone de sodium, (4), à continuer de refroidir la solution jusqu'à ce qu'elle atteigne une température comprise entre 25 et 35 DEG C et à ajouter du peroxyde de benzoyle ainsi qu'un agent conservateur, (5), à mélanger le produit obtenu et à le broyer jusqu'à obtenir un produit régulier et, (6), à adapter le pH du produit avec une base pour lui faire atteindre une valeur de 3,5. Cette invention concerne également une méthode de traitement d'un patient atteint d'acné consistant à appliquer cette compositions sur les régions cutanées touchées par l'acné.

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