Kevyn Aucoin True Feather Brow Marker Gel Duo DetailsAn innovative dual-ended marker that shapes, defines and sets brows for a full, natural finish. The precision brush tip creates subtle hair-like strokes, while the setting gel's ingredients help to promote healthy hair growth, improving the brows' overall appearance. Conveniently combining a shaded marker and clear gel for easy application, every time. How to Use: Match brows to closet shade of True Feather Brow Marker Gel Duo with the the.