Bell HYPOAllergenic Open Eyes Pen 

With its flexible felt tip, you can apply precise, thin, or even thicker lines in rich black in no time at all. Thanks to its waterproof formula, the eyeliner lasts all day without smudging or fading. 79% of the ingredients are of natural origin. Vegan product. Suitable for people with sensitive and allergy-prone skin. Dermatologically tested.

Aqua (Water), Polyurethane-35, Glycerin, Polysorbate 80, Propanediol, Methylpropanediol, Ethylhexylglycerin, Caprylyl Glycol, Phenylpropanol, Phenoxyethanol, CI 77266 [nano] (Black 2)

Start right at the lash line and draw a thin line from the inner corner of the eye toward the outer corner.