A suspected flasher at a Lincoln Sainsbury’s supermarket is believed to be a minor.
Two separate incidents were reported – the first at 8.20pm on July 22 and the second at 7.45pm on July 24.
The female victims informed security at the time and police are now asking them to come forward to speak about what happened.
Lincolnshire Police said that no arrests have been made.
Anyone who experienced indecent exposure or saw anything that may help with the investigation should call police on 101 quoting reference 457 of July 24.