The patch is glued correctly.
The manufacturer recommends: "The patch should always be applied to clean, dry, hairless skin of the buttocks, abdomen, outer upper arm or upper arm parts of the torso. You should choose a place where tight clothing will not be she was wiping the plaster." In your case, it is the upper outer part of the arm, so the action is guaranteed. Dirt that collects on the edges of the patch will not affect its final performance.

You are doing the right thing.

Here you can check the availability of patches and make a reservation at the pharmacy:

https://www.gdziepolek.pl/produkty/28646/evra-system-transdermalny/apteki

I attach a link to a helpful post:

https://www.gdziepolek.pl/kategorie/plastry-antykoncepcyjne