Four-Point Pen Design: Engineered with an innovative four-point pen tip, our pen delivers unmatched precision, allowing you to effortlessly craft vivid and natural-looking eyebrows. Effortlessly fill sparse areas and define brow shape, achieving a look that mimics real hair with our natural brow pen! Four-Point Pen Design: Engineered with an innovative four-point pen tip, our pen delivers unmatched precision, allowing you to effortlessly craft vivid and natural-looking eyebrows. Effortlessly fill sparse areas and define brow shape, achieving a look that mimics real hair with our natural brow pen! Waterproof & Sweat-Resistant: Experience the confidence of brows that stay put through rain, sweat, and any activity.