Laura Mercier Caviar Stick Eye Color is long-lasting and convenient to use. It is allergy tested and does not cause itchiness when I use it. I have tried numerous long-lasting eyeliners, but they all irritated my eyes until I tried the Laura Mercier Caviar Stick Eye Color. Instead of using it as an eyeshadow, I use it as an eyeliner. I use the Tuxedo color, which is black and goes on beautifully as an eyeliner. When lining the eyes, use an eyeliner brush, which will be preferable since the fine brush can line the eyes closer to the lash lines. I dab my brush on the Caviar Stick before I use it to line my eyes, or you can line the eyes with the stick, close to the lashes as possible, and blend it with a brush. And as it advertises, the Caviar Stick is indeed long-lasting. Even after you have been cooking over a steaming pot, you can greet your lover with eyes that could melt him.