Brow Build boosts brows and adds definition in seconds. Its long lasting formula with built in fibres defines and enhances existing brows, promoting healthy hair. KEY INGREDIENTS/ FEATURES: • Built in fibres create a more natural fuller looking brow • Biotin - to strengthen hair and promote healthy growth • Not only does Brow Build create a fuller looking brow it also holds them in place growth to achieve a natural shape. Available in four shades, use the wand applicator to sweep across hairs to create full and precise brows.