Buttr Blue Precision Eyeliner Pen, Long-Lasting Smooth Application Makeup Liner

Buttr Eyeliner Collection delivers bold, defined eyes with a smooth, waterproof, and smudge-proof formula designed to last all day. The ultra-fine tip glides effortlessly, allowing precise lines—from subtle definition to dramatic wings—without tugging. Its quick-drying texture sets instantly, resisting sweat and humidity for a flawless finish. Available in striking shades like Aquatic Silk, Jade Waters, Spilled Ink, and Blue Velvet, this eyeliner adds depth and intensity to every look. Lightweight yet richly pigmented, it provides consistent color payoff in a single stroke. Perfect for daily wear or special occasions, Buttr Eyeliner keeps your eye look sharp, confident, and beautifully defined.