Although Yan value cannot be eaten as a meal, it still has a three-minute effect. In other words, when you first meet this person, the first three minutes of contact with him will determine your impression of him in the future. This is why people think that the first impression is very important. And a person with a face value, the first impression will give people a very comfortable feeling. Therefore, although Yan value can't be eaten as a meal, Yan value is very important. That's why medical beauty is popular now.