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. Wipe off the excess from the applicator. Then shape brow and fill. Lightly fill and use the remainder on the front of the brow. Blend with spoolie to set.