| abstract |
PROBLEM TO BE SOLVED: To provide a novel transdermal administration device and the like. The transdermal administration device (1) of the present invention comprises a substrate (2) and one or a plurality of protrusions (3) provided on the substrate, and the protrusions are mainly composed of plastic. In the transdermal administration device, the height of the projection is 10 μm to 3 mm, the tip of the projection is flat, rounded, or flat and has one or more microprojections. is there. If the epidermis can be stretched without penetrating the stratum corneum, the protective properties of the epidermis can be reduced, so cosmetics, medicines, plastics, etc. attached to or contained in the projection Can be administered. [Selection] Figure 1 |