Shu Uemura Hard Formula is a high-quality eyebrow pencil designed for precise brow shaping and definition. Known for its long-lasting, smudge-resistant formula, this pencil provides a natural look and is available in various shades to suit different hair colors and skin tones. Instructions: 1. Brush brows with a spoolie to shape. 2. Use the pencil to fill in sparse areas and define the shape. 3. Apply gently to avoid tugging or pulling. Precautions: Avoid exposing to high temperatures or direct sunlight. Store in a cool, dry place.