At this point, Yu Youyao changed the topic. "After figuring out the Myrrh and Frankincense, I started to worry. This is a foreign medicinal ingredient. I don't think it's common in the Great Zhou Dynasty, and its uses are not widespread. Otherwise, I would have heard of it before. The problem now is how to get these two medicinal ingredients and where to get them?"
Not only had she never heard of it, but even the knowledgeable Nanny Xu hadn't either.
She had just made some progress, but there was an even bigger problem in front of her.
Yu Youyao finally understood the difficulty of improving the incense recipe.
