C266 Stubble finding

"Yu Hongtian, it's good that you're here. Explain to me what this is and why it appeared in Miss Bai Hezi's bag!"

Li Tianhua threw the thing in his hand in front of Yu Hongtian.

It was a very small glass bottle filled with a light blue liquid.

However, he had clearly used it already, and there was still a little bit left at this moment.

Seeing this bottle