C472 The Effect Was Astonishing!

"What’s the reason?" Yann Qiai's curiosity was piqued.

There must be a special reason for keeping such a great formula unused.

"Once, I wanted to collaborate with your grandfather to develop this whitening cream, but before the project could start, he passed away unexpectedly," the old man said, his voice tinged with sadness.

"After that, every time I saw the formula