[Luk Fixx] Confidence that can't be erased in an active day Luk Fixx , Athleisure makeup with N-Proof Tech that ensures strong resistance over water, sweat, and oil during activities like Yoga, Pilates, Running and more. [Super Skinny Tip]Our ultra-slim retractable tip draws extra fine lines so you can easily create the look of natural brow hairs. [For Brows That Are Flawlessly, Naturally You] Brow Definer mechanical pencil is waterproof, ophthalmologist tested and suitable for sensitive eyes and contact lens wearers. [Sculpt Beautiful Brows] Shape, define, and fill in sparse or over tweezed brows with our ultra skinny Micro Brow Pencil; So precise it coats even the finest hairs with color for a natural looking finish.