Eye Brows Big Boost Fibre Gel Stud Deepest Black Brunette

MAC's Big Boost Fibre Brow Gel in Stud Deepest Black adds visible fiber build-up for fuller-looking brows with a tinting, buildable gel texture. Ideal for sparse or over-plucked brows seeking natural volume and hold. The formula suits those who want a quick sculpting step in their routine while maintaining a feathered finish.