Pre shave oil question?

[taffy]

For those who use it do you put it on just the once or before each pass be it 2, 3 or 4?

 

[Bayamontate]

Just once for me.

 

[rdeakle]

I put it on once at the beginning to help go through the stubble.

 

[Johnnie Walker]

Once here aswell. I put it on before I make my lather.

 

[taffy]

Thanks for replies gents, i do that but i never knew if it was the correct way to apply it.