Double Sharpener by Diego Dala Palma is a sharpener specializing in sharpening make-up tools.
You should remove the transparent cover before you start using it.
The sharpening of the pens can be controlled by switching between sharp or less sharp blades.
Sharpener for all make-up eyes, eyebrows and lipstick.
They last for long periods, sometimes up to 24 hours.
It keeps the pens because they do not break or destroy the outer layer of the pen.