It is,
Go to the proof House and see for yourself. In many ways they are a bit over-stringent and that may not be such a terrible thing for the customer, but can be a pain for people like me
Headspace can be the main issue, but you know that when it’s passed, it’s passed
I use the Lanolin/Isopropanol mix, it’s the same as Dillon case lube, as well as some others are and hard to beat, just spray into a cardboard box and shake around then leave to evaporate for 10 mins
Its cheap, makes loads and lasts ages
all available from Amazon