Enhance your lashes with Lashes to Die For by Peter Thomas Roth. It's a revolutionary peptide-based nighttime treatment formulated to help dramatically improve your natural lash length, thickness, density and fullness. It works by targeting all three stages of the hair growth cycle to give you the striking lashes you've always dreamed about.How to use: Apply a thin line along the upper lash line every night. Apply only at the root area and onto clean skin as though applying eyeliner. Do not apply more than once per day. Lashes to Die For can also be used on eyebrows.