Plastic surgery, this is a faster way to look good. Small bow plastic surgery should be real, and compared with the previous eyes and chin, it is indeed whole (I think). Of course, cosmetic surgery in the entertainment industry has become commonplace.
Make-up+packaging. Make-up can change a person's temperament and color. Of course, the company's packaging, such as facial management, whitening and slimming, can be beautiful. It's not that there is no ugly person, but I'm afraid this person is lazy. It is a very important factor that you can change yourself after packaging.
The small bow itself is not very poor. Except for the change in appearance, it's beautiful. What matters is temperament. It's normal that every idol's temperament changes before her debut. Temperament makes a person more beautiful, which may be the gap between idols and amateurs.