Build and lengthen your lashes with Extreme Length mascara from Boots No7. The uniquely-shaped brush grips and extends each lash, delivering maximum length and eye-opening definition. Extreme Length mascara is available in Black and Brown/Black. Product Form: Brush-On. For Use On: Eyes. Beauty Purpose: Lengthening. Color Palette: Dark Tones. Color Family: Black, Brown. Health Concern: Combination Skin, Sensitive Skin, Sensitive Eyes. Health Facts: Hypoallergenic. Features: Lightweight. Capacity (volume): 0.24 Oz.