What It Is: Diorshow Maximizer 4D lash primer serum improves mascara performance with a four-in-one formula that lengthens, volumizes, curls and defines, for lashes that appear oversized, immediately and for 24-hours. What It Does: The floral extract infused formula coats lashes and improves lash appearance day after day. Lashes appear visibly longer, nourished, smoother and suppler. It can also be applied on its own at night as a lash conditioner. Designed for different types of lashes, the oblique brush delivers lash-by-lash definition. Its slanted bristles help capture lashes from root to tip and draw them out. Suitable for sensitive eyes, the formula of this lash primer-serum is infused with: Blue Cornflower extract for a feeling of comfort Cotton flower extract to make lashes visibly smoother and stronger Chamomile extract, rich in fatty acid, to help nourish lashes How to Use: Apply the lash primer-serum on bare lashes. For best results, apply your mascara immediately over the primer-serum without waiting for it to dry. To maximize the fortifying and nourishing care benefits, apply the primer alone and wear it all night as a serum. Repeat this routine daily to maximize effectiveness. 0.34-oz.