Not really. Here’s a study that measured hexane in various oil brands and didn’t find any problem. “The hexane residue was detected in thirty-six out of forty examined samples, ranged from lower than LOD to 42.6 µg/kg. However, in all of them hexane content were below the MRL of 1 mg/kg which set by the European Union.”

https://openaccesspub.org/ject/article/622