Well remembered, m.

(I'd forgotten this. When I've been studying in TKMaxx I always end up with stinky, greasy-feeling hands. It has to be the last stop on any trip so that I can get home and washed straight away.)
If you (or your seller) washed it, you may need to leave it sitting for a while before the effect develops again. It develops faster in a shut cabinet than on an open shelf.
On top of any "greasy" feel, what does it smell or taste like?
(only taste it after you have sniffed it well. If it smells "industrial vinegary" - don't bother tasting it - it would only be unpleasant.)