Formulated with our proprietary peptide blend, this lash extension-safe LAshX® Pro/Line eyeliner captures the latest in scientific advancement to strengthen and condition existing lashes while stimulating new growth in a safe and natural way. Liners are available in five rich, highly-pigmented colors, perfect for daily wear, and can be used to create either a natural or dramatic look. Apply this long-lasting eyeliner once a day, for three weeks, natural lashes triple and extensions retain longer. We offer a money-back guarantee.