About oil expiration dates

Hi, I'm very new to anointing oils, spells, candle burning and everything else, also very new to this forum, and i'm from Taiwan Image may be NSFW.
Clik here to view.

I'm just wondering do the oils have expiration dates? and about how long can we keep each oil?

there are just so many choices on this site, i'm very excited to get to know each product.

i have read thru a few posts/replies, and i will be joining the conversations if allowed Image may be NSFW.
Clik here to view.

nice meeting you all and thanks in advance for answering Image may be NSFW.
Clik here to view.