The present invention relates to a product including a first water insoluble substrate and a second water insoluble substrate, wherein (a) the first water insoluble substrate and the second water insoluble substrate are different shape (b) the first water insoluble substrate comprises a first active agent and (c) the second water insoluble substrate includes a second active agent but does not include the first active agent.本發明係有關一種包括一第一水不可溶基材和一第二水不可溶基材之產品,其中(a)第一水不可溶基材和第二水不可溶基材為不同形狀;(b)第一水不可溶基材包含一第一活性劑;及(c)第二水不可溶基材包括一第二活性劑,但不含第一活性劑。100‧‧‧T形基材200‧‧‧U形基材