It starts from the popular celebrities who want to change the eyes sit and add confidence because it makes colorful aired! Another reason is that there is actually more than just make people advertising it.
It was popular from the star. People just want to change the color of your eyes and your confidence. Because it's colorful eyes. Another reason is to make people believe it is hype.
It has been a popular starting from the star. People want to change the eye colour and increase confidence. Because it makes big round eyes colorful. Another reason is the exaggerated advertising makes people believe it.