Killer Looks Plumping your lashes has never been so easy-or pretty. Peter Thomas Roth Lashes To Due For The Liner is a dual-action peptide eyelash treatment and liquid eyeliner in one. The liner provides gorgeous definition with an intense, long-lasting black color that glides on smoothly without smudging. When used daily, over a period six weeks, the liner will enrich your lash line, enhancing the appearance of your lashes' length, thickness and fullness. Dual-action peptide eyelash treatment and liner in one Visibly enhances appearance of natural lash length, thickness and fullness in just 6 weeks Long-lasting liquid eye liner Especially Suited For: All lash types Essential Elements: SymPeptide is infused in this liquid treatment liner which helps enhance the appearance of natural lash length, thickness and fullness when used daily. 0.04 oz. For Best Effect: Use daily for six weeks and with continued use. Shake well. Apply liquid liner every morning on clean, dry skin.