Real Techniques Nectar Pop Fine Line & Fill Duo is a precise dual-ended tool designed for shaping and defining brows with ease. One end features a fine-tipped brush perfect for drawing hair-like strokes and filling in sparse areas, while the other end includes a spoolie for grooming and blending brow hairs. The Fine Line & Fill Duo ensures well-defined, natural-looking brows that frame the face beautifully. Crafted with high-quality synthetic fibers, this tool combines precision and control for effortless brow perfection.