What it is: A liquid liner with SymPeptide™, to visibly enhance the appearance of natural lash length, thickness, and fullness. What it is formulated to do: This product dramatically enhances the appearance of lash length and density. A quick dry, stay-put liquid liner, it treats lashes all day long. Formulated with high levels of active SymPeptide, it dramatically enhances the appearance of natural lash length, thickness, and fullness when used daily. The intensely pigmented formula is longwearing and smudge-proof. Its convenient pen format allows for maximum control during application, ensuring a precise, even line that glides on with just one effortless stroke. What it is formulated WITHOUT: Parabens. Sulfates. Synthetic Fragrances. Phthalates. GMOs. Triclosan. Research results: According to Peter Thomas Roth, this product is clinically proven to increase the appearance of lashes: 46% in 2 weeks. 66% in 4 weeks. 73% in 6 weeks.