When referring to the "Tang Dynasty", many readers will use "prosperity" to describe it. The rapid economic and cultural development of the Tang Dynasty was also inseparable from the joint efforts of monarchs and ministers. But among the many imperial court ministers, why was Li Linpu favored by Tang Xuanzong? It turned out that Li Linpu had given Tang Xuanzong a secret recipe to help his hair turn black, and successfully married Yang Yuhuan.

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Yang Yuhuan is one of the four beauties of ancient China, she not only has a super high appearance, but also versatility. At the age of 17, Yang Yuhuan became Princess Shou, and she thought she would spend her life happily, but Tang Xuanzong changed her fate and also changed the fate of the Tang Dynasty.
After Tang Xuanzong saw Yang Yuhuan, he never forgot about it, but Yang Yuhuan was Li Mao's wife, and he could not openly rob it. Therefore, Tang Xuanzong borrowed the name of praying for the empress dowager's blessing and asked Yang Yuhuan to become a nun. When the time was ripe, Tang Xuanzong issued another edict to marry Yang Yuhuan.
Before marrying Yang Yuhuan, Tang Xuanzong encountered a "big trouble". Tang Xuanzong was over sixty years old, and he had a lot of white hair on his head. If you marry Yang Yuhuan with such an image, you will definitely be discussed by the ministers: the old cow eats tender grass. Because of this, before marrying Yang Yuhuan, Tang Xuanzong must deal with his white hair, make himself young, and narrow the distance with Yang Yuhuan's age from the appearance.
"Hair coloring" is the most direct and effective way to remove white hair, but hair coloring can only treat the symptoms rather than the root cause, and it was not long before the black hair turned white again. At this time, Tang Xuanzong thought of a person, he was the immortal Zhang Guolao.
According to the "Miscellaneous Records of the Ming Emperor", Zhang Guolao is hundreds of years old, but he still has a black and beautiful black hair. In the "Suspense Record", Tang Xuanzong found a secret recipe for Zhang Guo's old black hair. This party needs: emblica seeds, raspberries, silk seeds, schisandra, psyllium and other medicinal herbs, and mix them together in proportion to make pills. But Tang Xuanzong drank for a while, there was no good effect at all, and the side effects of the drug would also choke himself enough.
Tang Xuanzong was anxious to turn white hair into black hair, and the prime minister Li Linpu learned the news that he was very treacherous and liked to form gangs in the imperial court, and he wanted to take the opportunity to perform in front of Tang Xuanzong. Therefore, Li Linpu ordered people to collect secret recipes in the folk.
There is a county lieutenant named Chen Zangqi in Sanyuan County, Jingzhao Province, who has an ancestral secret recipe, which can grow hair, remove wind and itch, and make it happen as dark as night. Li Linpu got the secret recipe, specially ordered the doctors in the house to make it, and selected white-haired people of different ages to take it. Unexpectedly, this secret recipe was very useful, and it didn't take long for them to grow a lot of black hair.
Li Linpu successfully experimented and dedicated the secret recipe to Tang Xuanzong. After Tang Xuanzong took it, he found that the effect was very significant, and his hair not only turned black, but also shiny. Emperor Xuanzong of Tang gave Li Linpu a heavy reward.
Tang Xuanzong's hair turned black, successfully attracting everyone's attention, and everyone wanted to know the secret recipe of Tang Xuanzong's black hair. According to relevant records, Tang Xuanzong's hair-growing secret recipe only revealed two herbs: yuganzi and sesame oil. A good secret recipe will definitely use a variety of medicinal herbs, so posterity cannot restore the secret recipe for black hair according to the remaining sweet potatoes and sesame oil.
In the "Compendium of Materia Medica", we can see: take the remaining sweet potato juice and sesame oil and mix well, coat the head, and apply the hair. It is mainly used to treat gray hair, itchy scalp. This prescription is also applied to cognuus and sesame oil.
As the archaeological work continues to advance, experts will unearth more historical documents, and I believe that one day, we will find the secret recipe for Tang Xuanzong's black hair. Dear readers, if the experts succeed in finding it, would you be willing to give it a try?