Mille 6D Eyebrow Pencil Waterproof 2g. The high technology eyebrow pencil provides a perfect 6D shape for eyebrows that works on both thin and thick brows to make the brows more realistic and more natural with long-wear and waterproof effect, plus a built-in grooming spoolie brush for polished perfection. Its unique formula enriched with Vitamin E helps to moisturize the skin and also provides a silky texture that glides on smoothly and naturally onto skin and this product also received an award.