Is Grandpa Yao's ointment really good?

Grandpa Yao's ointment can be said to be a very good health cream, mainly because it is handmade, which not only retains the traditional manufacturing process, but also reassures everyone in terms of safety and raw material selection. It is precisely because of the strict requirements on the production of each link that Master Yao's health cream has a remarkable effect and brought health improvement to many people, so it has a good reputation in the market.