Full size Jane Iredale pure lash .3oz NWT Brand new and unopened single coat of jane iredale's PureLash Lash Extender & Conditioner before applying mascara will help strengthen, lengthen and thicken your lashes, making the mascara twice as effective. Benefits • Enhances the appearance of thickness and length of lashes when used as a primer for mascara. • Allows you to use less mascara. • Can be used on eyebrows and worn alone at nighttime as a lash conditioner.