What it is: A continuously buildable, clump-resistant mascara that stacks on infinite volume and length. Formulation Type: Volumizing, Curling, Lengthening Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, and triclosan. What Else You Need to Know: This buildable, non-clumping mascara delivers customizable volume with immediate lash lift and length. The Superstack Mega Brush delivers volume to longer/upper lashes, while the Superstack Micro Brush allows for precise application on shorter/lower lashes. Clinical Results: In a consumer test of 111 women, after 1 week of use: - 95% saw gravity-defying volume - 95% saw instant lash lift and length - 95% said mascara built endlessly