What is the most amazing beauty product you have ever used?

I'm stocking up my makeup bag tomorrow and I need so good products. Please help! =)What is the most amazing beauty product you have ever used?
Dior DiorShow Mascara. It's expensive but it works.What is the most amazing beauty product you have ever used?
i have two very good products that i thought were just amazing they are mac shadestick in corn and smashbox lipgloss in brown. Those are the best makeup products i have tried. Hope i helped have a nice smiley day got to go bye.
try estee lauder lipstick its cool,and i like avon make up too
MAC fluidliner in glitz and blitz and bare escentuals foundation.