Tattoo Studio Waterproof Eyebrow Gel creates fuller-looking definition that last for days. Fill and color your eyebrows with this ultra-resistant and waterproof eyebrow gel. The sculpting tip and eyebrow spoolie brush work together to create fuller-looking eyebrows that last for days. Make sure to start off with a clean brow, For added precision, you can line brows with Brow Micro Pencil and start applying the gel in the middle of the brow to the tip. And to clean up brows, use a Q-Tip!