Try Benefit She Laq I think its called, paint over make up and stays on all day! Think its about 12 pund-ish a bottle

Clarins & Smashbox do a make up primer that is very good

Set your foundation with loose powder, but not too much, or else it will look caked on. Also, try to avoid touching your face too much. And carry a little concealer stick in your purse for those emergency touch ups.

this prob isn't too good for your skin but close your eyes and spray a little hairspray over your face. i do this before i go out and even after dancing and coming home at 3 in the moring my makeup is perfect!