A system or device for skin closure comprises an elastic flat flexible tape elongated along a longitudinal axis and having a lower side and an opposing upper side, said tape having a pressure sensitive adhesive on at least a portion of the lower side, said tape having a plurality of openings arranged side-by-side with spaces between said openings oriented across the longitudinal axis.

Disclosed are a microneedle patch including a first hydrogel layer containing a mussel adhesive protein and hyaluronic acid, and a second hydrogel layer containing silk fibroin, and a preparation method thereof. The microneedle patch according to the present disclosure has excellent tissue adhesion, biocompatibility, and biodegradability, and is used for transdermal drug delivery to promote wound regeneration.

The present invention concerns a system for dermatologic treatment comprising an energy source for activating a biochemical healing effect and at least one bandage meant to be placed on or near the area being treated before applying the activation step using the said energy source characterized in that the bandage comprises an identification means (4, 5, 10, 11) interacting with a sensor controlling the functioning of the energy source.