GIRLS:What should i buy at the Airport Duty Free shop?

like makeup...WHAT should i get? i bet they have all sortof brands like chanel and guerlain and smashbox....What do i get? oh and i dont wear eyeshadows OR liner whatsoever...so please suggest some blushes or foundations or powders or lip colors????|||Nothing, it may be duty free, but it is heck more expensive, that if you buy it at a Dept. Store.