Focus Hydrobrush

The Focus HydroBrush Water Brush is a refillable brush pen designed for convenient, mess-free painting. Ideal for watercolor, ink, and water-soluble pencils, this brush features a soft yet responsive nylon tip that delivers smooth and controlled strokes. Simply fill the barrel with water or diluted pigment—no separate water container needed. Its compact, portable design makes it perfect for travel, outdoor sketching, and on-the-go creativity. Great for blending, shading, and detailed brushwork.