What it is: A mascara with algae extract and shea butter to create fuller- and longer-looking lashes.What it does: This lightweight mascara uses algae extract to thicken and lengthen lashes over time. The subtly tapered silicone brush creates a natural look while the shea butter-infused formula makes for smooth, comfortable reapplication. How to use: Comb through your lashes from the base to the tips for a fanned-out, natural effect. Repeat as needed for your desired look. 0.25 oz.