Have found a way of keeping my estrogen patch 25 on for longer, this summer I seem to have patches that fell (some didn't seem as sticky as others) and packs that did stick well but loosened at the edges after a few days..
I have a quick bath morning and evening and I think that might have added to patches falling off or coming loose.
So I bought some breathable hypoallergenic Micropore tape for sensitive skin, and stuck some over my patch and it has lasted for over a week now, so I can keep my patch on for longer then a week and make them go further.
Feeling fine on this regime.