Tightlining and applying eyeliner to the waterline are similar techniques, but they serve different purposes and have distinct effects on the eyes. 1. Tightlining (Upper Waterline Lining) • Where it’s applied: On the upper waterline, right beneath the upper lashes. • Purpose: ⭐️Makes lashes appear fuller and more defined. ⭐️Enhances the eyes subtly without an obvious liner look. ⭐️Creates a lifted and youthful effect. • Best Products: Waterproof gel or pencil liners to prevent smudging. 2. Water