What is it? This next-level tubing mascara naturally lengthens and strengthens every lash from root-to-tip. With a super clean formula 4 years in the making, this mascara does not smudge, budge, clump, or flake! Infused with all-natural lash serum ingredients like Biotin (Vitamin B7) to take your lashes to new heights – instantly and over time. Ophthalmologist-tested for sensitive eyes and prostaglandin-free.