The My Color Blue Kost 10 Eyeliner by Kost Make Up is the perfect ally for an intense and defined gaze. Its long-lasting formula ensures a precise line, resistant to smudging and humidity, ideal for everyday use or special occasions. The vibrant blue shade adds a touch of originality and liveliness, enhancing any eye color with a luminous and sophisticated effect. Easy to apply thanks to the thin brush, it allows you to create both thin lines and bolder looks, adapting to every need. Cruelty-free and designed to respect the delicate skin of the eyelids, this eyeliner combines quality and performance in a single trendy product.