Perfecting Base

I got this to try as it was on offer in superdrug for a fiver.Firstly the bottle looks big but its actualy only 30mls,its like a bottle in a bottle,the container with the primer in is a lot smaller...

I only bought this because it was one offer for around £5. One pump is enough for my whole face and it leaves my skin looking matt but soft. It's supposed to correct colour if worn alone but I...