1. Beautiful lip shape: This usually refers to the clear contour of the lips, the coordinated proportion of the upper and lower lips, the shape may be full or slightly curved with a smile, giving a visual sense of pleasure.
2. Healthy and natural color: Healthy lips usually present a natural pink or light red color, with uniform color and no signs of dryness, cracking or excessive peeling. This natural color adds to the attractiveness of the lips.
3. Expression and emotional communication: Sexy lips can often express emotions more vividly, such as the curved corners of the mouth when smiling, the shyness of lightly biting the lower lip, etc. These subtle changes in expression can increase the sexy charm of the lips, making people feel the emotions and stories behind them.