| 摘要 |
The present invention is related to a insect repellent patch topically applied which provides constant protection for a long period of time. The invetion includes an insect repellent patch which simultaneously comprises a vitamin B1-saturated film in a range of from about 50 ml to about 100 ml, also comprising an adhesive coupled beside the film. Said film is a patch that includes a transdermal delivery system that includes a liner for protecting vitamin B1 from environment, a container for stroing vitamin B1 and a membrane for controlling the release of vitamin B1..
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