SoPost are currently giving away Free MAC Stack mascara samples, but you need to get in quick to get one.
MAC Stack is a continuously buildable, clump-resistant mascara that stacks on infinite layers of volume and length, so it really is a bit of a must have for your makeup bag.
Just click on ‘Take Me There’ in the link below, complete the quick form, they will send you and look out for your free sample in the post