We've all experienced it: That terrifying moment when you glance in the mirror and realise your eye liner has travelled half way down your face.

Whether it's due to humidity, sweat or oil eyelids, running eye liner can often feel like a losing battle – but it doesn't have to be. 

So, before you throw your beloved liner out, read these useful tips to make your cat-eye stay in place all day. 

Step One: Prep and prime

To ensure staying power, your first step is to begin with a clean slate. Wipe your lids with an oil-free make-up remover as excess oil can build up in your creases during the night. 

Next, apply an eye shadow primer, followed by transparent powder to prevent your liner from transferring. 

Step Two: Choose a waterproof formula

Opt for a waterproof eye liner pencil as it will glide right on for a smooth application and won't smudge or fade as the day goes on. 

Step Three: Set with eye shadow

Once you finish blending or smudging your liner in place, set it with an eye shadow of the same colour. 

You can skip this step though if you're using a gel or liquid, as the prepping beforehand should hold the formula in place.