Black intensity, extreme volume. The new brush and saturated Carbon Black formula. Deliver immediate volume for an ultra black false lash effect . The caring formula. Infused with walnut extract from the YSL Beauty Ourika gardens, and Argan oil, for enhanced and supple eyelashes. HOW TO USE Start applying at the root of the lash on the outside of the eye. Apply the brush to the lash, pushing upwards and outwards at the same time with a zig zag type of movement. On the inner and bottom lashes, use just the tip of the brush and apply to individual lashes.