Goo Hye-sun even gave her a patented flat hair roll model..discovery rather than grand invention

By YoonSeon, Cho

Oct 08, 2025

Goo Hye-sun even gave her a patented flat hair roll model..discovery rather than grand invention



Actress Koo Hye-sun has transformed herself into a model for a flat hair roll.

On the 8th, Koo Hye-sun posted a picture with the words "Hair roll model Kurol♥".

In the picture, Koo Hye-sun is posing on the bed with a flat hair roll in the form of an opening she developed directly on her head. Her fair skin and doll-like beauty catch the eye.




Recently, in an interview with 「Fun Inventor_Korea Invention Promotion Association KIPA」, Koo Hye-sun said, "My friends kept noticing that they were not wearing hair rolls around their hair. 'Even if it doesn't work, shall we put it on our phone case?' That's how I started" he said. Then "When you use your hair roll, it's attached to your clothes. If you go to a celebrity premiere or something, there is a mistake attached to the clothes. When I saw that, I thought, "Should I open it up and put it on?", he explained.

Goo Hye-sun even gave her a patented flat hair roll model..discovery rather than grand invention
In the meantime, it occurred to me recently that it was a discovery of life, but not a grand inventionIt would be fun to say that the baby is doing the hair roll I made when she became a grandmother," he said with a smile.

Meanwhile, Koo Hye-sun is currently studying for a master's degree in engineering at KAIST's Graduate School of Science and Journalism, and in March, she obtained a patent with a 'Flat Hair Roll' product developed with KAIST professor. Last month, it became a hot topic as it announced a new start as the CEO of a venture company.






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