Black cumin seed oil contains a known immune modulator that could potentially help millions of people dry up their sinuses.
This is not the spice cumin — that’s a totally different plant species from black cumin. This is something else entirely.
While you should always cook liberally with cumin, it probably won’t help your runny, itchy nose. Black cumin, however, may very well help because it provides thymoquinone — an immune modulator.