I'm new to straightrazor shaving and was curious if there is actually a need to use aftershave?

I currently finish my shaves with a splash of Sea Breeze Sensitve Skin Astringent. I do not get any irritation.

It contains alcohol, camphor and glycerin which seem to be the main things in most aftershaves.

So, I was wondering if there is a point (other than nice smell) to use a seperate aftershave?
(Prior to wetshaving I used neither but would just wipe my face with a stridex pad, which I still do, because I have oily skin.)




FWIW:
I remember my father always splashed on witch hazel then some cold water and never used a second aftershave.

My grandpa always used Old Spice aftershave and no other astringent



Thanks in advance for the feedback.