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The *Ruyi Fang* (Satisfying Prescriptions) method for softening hair:
After washing the head, rinse again with wine, once daily, and the hair will become soft.
Another prescription: Take three fresh eggs from a black-bone chicken (*Gallus gallus domesticus*, Black-bone variety). First prepare five sheng of boiling water (*Mafei Tang*), ladle it up and pour it down repeatedly to cool it to a warm temperature. Break the eggs and put them entirely into the water, stir and mix well, then boil until... [text missing].

It is also said: Method for making hair lustrous:
Pound hemp seeds (*Cannabis Fructus*) and steam them until cooked. Use the juice to moisten the hair, so that the hair grows continuously and shines brightly; this is very effective.

The *Yanshou Chishu* (Red Book of Longevity) states: The *Taiji Jing* (Classic of Great Unity) says: When combing the hair, one should face the Ren direction (North-Northeast). One should frequently change combs; the combs should have many teeth but not cause pain. One may also have attendants... [text missing].

The *Ruyi Fang* method for making hair stand upright (voluminous):
Ash of *Iris lactea* var. chinensis (*Malin Hui*) (1 sheng), Ash of *Buddleja officinalis* (*Zining Hui*) (5 sheng), Ash of sesame (*Huma Hui*) (7 sheng).
For these three ashes, leach each separately with water. First use the juice from the *Iris* ash, then the juice from the *Buddleja* ash, and finally the juice from the sesame ash.

The *Zhubing Yuanhou Lun* (Treatise on the Pathogenesis and Symptoms of All Diseases) states: When blood and qi are deficient, the Kidney qi becomes weak. When Kidney qi is weak, the marrow essence dries up, thus the hair turns white.
It also states: Combing the hair a thousand times prevents it from turning white.
It also states: On the first day of the first lunar month, take five fragrant herbs to boil as a decoction for washing the head to prevent whitening.

The *Sui Yangdi Hougong Xiangyao Fang* (Fragrant and Medicinal Prescriptions of Emperor Yang of Sui's Harem) Soybean Decoction for Dyeing White Hair:
Vinegar slurry (*Cujiang*), Soybeans (*Dadou*).
Take the above two substances, boil the soybeans in vinegar slurry to dye the hair; it will become black as lacquer.

The *Ge Shi Fang* (Prescriptions by Ge Hong) for treating white hair:
First wash the hair clean. Take equal parts of lime ash (*Baigui*) and lead white powder (*Hufen*). Mix with vinegar slurry and warm it. Apply before sleeping at night, wrap the head in oiled paper. Wash off the next morning, and the hair will be black.
Another prescription: Pluck out the white hairs, then apply good honey to the follicles; black hair will grow immediately.

The *Qianjin Fang* (Essential Prescriptions Worth a Thousand Gold) for treating white hair:
On the 4th day of the 1st lunar month, 8th of the 2nd, 13th of the 3rd, 20th of the 4th, 20th of the 5th, 24th of the 6th, 28th of the 7th...
Pluck the white hairs on these days, and they will not turn white again.
Another prescription: Black sesame seeds (*Wuma*) steamed and sun-dried nine times, pounded into powder, formed into pills with jujube paste. Take for a long time.
Another prescription: Soak dried dark plums (*Wumei*) in raw oil; apply to the head when needed; this is beneficial.

The *Lingqi Fang* (Spiritual Marvels Prescription) for returning white hair to black:
White angelica root (*Baizhi*) from Longxi (1 sheng), Inula flower (*Xuanfu*), Sichuan pepper (*Qinjiao* - note: likely refers to *Zanthoxylum* or similar pungent herb in this context, often translated as Zanthoxyl Pericarpium or similar depending on specific historical usage, here kept as Qinjiao per text), Good cinnamon heart (*Guixin*) (1 chi).
Pound and sift together. Take one cun-bi (a square-inch measure) with spring well water, three times daily. After thirty days, all white hair will turn black. Abstain from sexual intercourse. If this medicine is fed to white puppies, their fur will turn completely different within twenty days.

The *Seng Shen Fang* (Monk Shen's Prescription) for making hair black:
One Aconite root (*Fuzi*) with eight angles, half a sheng of pure sour wine (*Ku Jiu*). Boil in a copper vessel until it boils twice. Add a piece of alum stone (*Fanshi*) as large as a dice stone. When the alum dissolves completely, add... [text missing].

The *Jiyao Fang* (Extremely Important Prescription) for dyeing temple hair white:
Bathe/wash the head multiple times with the starchy water from pounding hemp seeds (*Damaizi*). This is excellent.

The *Longmen Fang* (Dragon Gate Prescription) for treating white hair:
Wash thoroughly with soap pod decoction (*Zaojia Tang*), dry, then apply old oil residue. Do this three times daily. (Same as in *Qianjin Fang*.)

The *Meng Shen Shijing* (Meng Shen's Food Classic) for treating white hair:
Burn walnuts until no smoke remains, grind into a paste, mix with lead white powder (*Hufen*). Pluck the white hair and apply the paste; hair will grow immediately. (Currently according to *Bencao Shiyi*: make into paste to pluck white hair...)

The *Ruyi Fang* method for dyeing hair white:
Take grain kernels, pound to extract juice, mix with mercury (*Shuiyin*), and wipe the hair; it will all turn black.
Another prescription: Soak ripe mulberry fruits (*Sangshen*) in water, consume them, and the hair will turn black.
It is also said: Method to reverse white hair:
Burn the white hair on the Wu day of the fifth lunar month.
Another prescription: Remove white hair on the Guihai day, burn it on the Jiazi day, and it will naturally fall out.