I didn't think K-pop could exist without black eyeliner. But then, the power of pastels effectively dethroned the cat-eye's reign among Korean pop princesses. The new blushed and airbrushed look is all about pink as a neutral.
I've legitimately terrified people when answering this question before I got into k-pop. I used to answer with emo punk rock/scream-o. Now when I say k-pop people don't run, they just ask what's that and then nod their head in confusion