MAC Shape + Shade Brow Tint - Stud (Deep Rich Blackened Brown) - .95 g / 0.03 oz. This brow tint fuses the power of a liquid brow pen and powder into a dual-ended product designed to define and set brows with ease. Fill brows effortlessly using the precision brush-tipped, liquid eyebrow pen liner on one end, then flip to the sponge on the other end to set your shape with the mess-free powder contained in the cap. Find your perfect brow shape with this wax-infused powder that provides a smooth application and gently holds brows in place.