Greasy seagull

I have a bone to pick with a major supermarket. Opening a new bottle of French dressing I had first to tackle the grey plastic foil that had to be cut off.

I then shook the bottle, assuming the screw cap was tight and it wasn't. Salad dressing everywhere, including on one of my favourite t-shirts. This is after treatment and a wash. I've done further treatment and it's a bit better, but not gone.