abstract |
An object of the present invention is to more efficiently transdermally absorb an active ingredient of a patch. A patch according to one embodiment includes a support, a pressure-sensitive adhesive layer that is provided on one surface of the support and includes an active ingredient, and a microneedle having a microneedle provided on a substrate. And an array. After the microneedle is exposed from the pressure-sensitive adhesive layer and pierces the skin, the microneedle moves in a direction away from the skin due to elasticity. [Selection] Figure 1 |