Mouth, any slight change can make others feel the change of your mood. Therefore, the lips can be said to be the most important organ to express emotions behind the eyes, and it is also the place that is most easily noticed by others behind the eyes. Therefore, lips are a key part of women's makeup. Everyone is suitable for different lip types because of their own conditions. This also provides a huge market demand for lip beauty. So, what does lip beauty include? Lip cosmetology generally includes thick lip, lip bead plastic surgery, thin lip plastic surgery, cleft lip, deformity repair after cleft lip plastic surgery, large mouth deformity correction and small mouth deformity correction. The shape of lips has different characteristics due to race, age, sex and heredity. Generally speaking, men's lips are thick and wide, and women's red lips are small and thin. Viewed from the side, the upper lip slightly protrudes from the lower lip and is slightly wider than the lower lip, so it is necessary to pay attention to the relative relationship. The relationship between maxilla and mandible, the development of mandible and the whiteness of teeth all affect the aesthetic feeling of the lower third of the face. Aside from these, the beauty of lips can also be seen from the size, thickness and shape. Because the aesthetic concept has been constantly advancing, but one thing will not change, that is, what suits you is the most beautiful.