Cosmetic patch and using method thereof, and cosmetic patch...

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/67 (2006.01) A61K 8/02 (2006.01) A61K 8/84 (2006.01) A61K 9/70 (2006.01) A61K 47/34 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2527988

A cosmetic adhesive patch having a satisfactory adhesive force on a certain level. The patch can contain a vitamin irrespective of whether the vitamin is water-soluble or lipid-soluble. Even when the vitamin is, in particular, vitamin C, the patch can inhibit the vitamin from suffering oxidation or hydrolytic deterioration and stably contain the vitamin C without causing gel deterioration. Also provided are: a method of using the cosmetic adhesive patch by which vitamin C can be effectively transferred from the cosmetic adhesive patch and absorbed in the skin; and a package containing the cosmetic adhesive patch. The cosmetic adhesive patch is characterized by comprising: a tacky polyurethane gel which has hydrophilic alkylene oxide segments and hydrophobic alkylene oxide segments and in which most of or all of the segments are liquid at ordinary temperature; and a vitamin incorporated therein.

L'invention concerne un patch de cosmétique adhésif ayant une force adhésive satisfaisante à un certain niveau. Le patch peut contenir une vitamine indépendamment du fait que la vitamine est hydrosoluble ou liposoluble. Même lorsque la vitamine est notamment de la vitamine C, le patch peut empêcher que la vitamine ne souffre d'une oxydation ou d'une détérioration hydrolytique et il contient de manière stable la vitamine C sans provoquer une détérioration du gel. L'invention concerne également un procédé d'utilisation du patch de cosmétique adhésif par lequel de la vitamine C peut être transférée efficacement du patch de cosmétique adhésif et absorbée par la peau, ainsi qu'un conditionnement contenant le patch de cosmétique adhésif. Le patch de cosmétique adhésif est caractérisé en ce qu'il contient : un gel de polyuréthanne collant lequel présente des segments d'oxyde d'alkylène hydrophiles et des segments d'oxyde d'alkylène hydrophobes et dans lequel la plupart ou la totalité des segments sont liquides à une température ordinaire, et il contient une vitamine.

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