Acting as a lash primer, eyeliner and mascara in one, IT Cosmetics’ Tightline 3-in-1 allows you to create a complete eye look in one simple step. The skinny wand is designed to coat every lash from root to tip, creating eyeliner-style definition along the tightline.Infused with biotin and proteins to support the lash structure, the formula is enriched with hydrolyzed collagen to nourish the lashes. The multi-purpose formulation helps to create eye-opening, long-lasting drama.