Airtight Twist Pen

Cosmopak introduced its RF10 twist pen with shut-off valve, providing 100% airtight sealing, quick priming and a constant accurate dosage. The RF10 series opens the category up to any volatile formula or low-viscosity bulks. This pen is best suited for liquid eyeliners and liquid eye shadows, and the elongated design replicates the feel of a brush but with the added feature of a product inside.