One of the features with this is that it's waterproof.
From Amazon
GOSH Velvet Touch Eyeliner & Kajal with Soft Texture for Easy Application Waterproof, Fragrance-free & High Coverage Perfect for Mascara with Nourishing Vitamin E & Jojoba Oil Black Ink (Black)
Notino
Gosh Velvet Touch waterproof eyeliner pencil shade 023 Black Ink 1.2 g
Perfumes Club
Velvet Touch eyeliner waterproof #black ink