A top trick if you suffer with eyeliner smearing under your eyes when things get hot or emotional; take a small brush and press translucent powder just below it. This will create a barrier to prevent the eyeliner heading south!
A good option is Barry M Flawless Matte Perfecting Powder.
Apply over foundation or directly to bare skin. Compact contacts handy mirror and sponge applicator to make it the ultimate travel companion!