Insta Liner: Indicates that the product is an eyeliner, used to define the eyes and create various eye makeup looks. “Insta” may imply that the eyeliner allows for quick and easy application, helping users achieve precise lines effortlessly.
Waterproof: Indicates that the eyeliner formula is resistant to water, meaning it won’t smudge, smear, or run when exposed to moisture. Waterproof eyeliners are long-lasting and ideal for all-day wear, even in humid or rainy conditions.