Got a fairly old shaver light (with isolating transformer) Still works, but the tube ends are very 'black' (it's a quick start type).
The tubes seem difficult to get these days - TLC don't seem to stock them. Ebay seems to point at US suppliers. Or specialist ones like for fish tanks.
Ideally, be nice to replace it with an LED tube. But again, can't seem to find one which would fit. Warm white would be ideal. Realise it would need a re-wire for LED.