Enhance lashes with butter LONDON's Fitlash Primer; a blue-tinted, conditioning lash primer to boost the benefits of your favourite mascara. Fortified with Rice Bran Wax, Meadowfoam Seed Oil & Wheat Amino Acids, the formula nourishes & strengthens lashes, whilst adding definition & increased fullness for bigger, bolder results. Coats & lifts from the root to lengthen, separate & thicken lashes with a clump-free finish. Ophthalmologist tested.