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A sore growing behind the ear is called "Moon-Eclipse Chancre" (Yueshi Chuang). Use equal parts of Huanglian (Coptidis Rhizoma), Kufan (Alumen), Hufen (Cerussa, Lead Carbonate), and Shechuangzi (Cnidii Fruit). Grind into a fine powder for dry application.

Another prescription (from *Qixuan*):
Huangdan (Red Litharge), Kufan (Alumen), Zhenfen (Lead White, Cerussa) (each 1 qian), Bingpian (Borneol) (5 li).
Grind into a fine powder for dry application or mix with saliva for topical application.

Another prescription: Huanglian (Coptidis Rhizoma) and Kufan (Alumen) ground into a fine powder, applied dry or mixed with oil for topical application.

For malignant sores inside and outside the ear, as well as head sores and fatty sores around the mouth.
Dried Machixian (Portulacae Herba) (1 liang), Huangbai (Phellodendri Cortex) (5 qian).
Grind together into a fine powder. Each time, take an amount the size of a small bean, wrap in cotton, insert into the ear, and continue to apply externally.

Sores growing beside the ear.
Huangdan (Red Litharge) (1 qian), Songxiang (Pine Rosin) (8 fen).
Grind evenly. Mix with sesame oil for topical application.

Moon-Eclipse Chancre (Yueshi Chuang).
Qingfen (Calomel, Mercurous Chloride) (stir-fried between papers), Chuanshanjia (Pangolin Scales) (roasted), Huangdan (Red Litharge), Qianfen (Lead White, Cerussa) (equal parts).
Grind into a fine powder. Mix with sesame oil for topical application.

Feng Luzhan stated: Beard hair belongs to the Kidney, receiving Water Qi, thus it grows from below; if Yin deficiency and Yang hyperactivity occur, the beard turns white and shiny. Hair belongs to the Heart, receiving Fire Qi, thus it grows from above; excessive mental labor causes Fire to flare upward and consume Blood, thus hair turns white and falls out early. Although their affiliations differ, there is nothing beyond nourishing Essence and Blood that can turn the beard black and darken the hair. (From *Jinnang*)

The *Lingshu* states: When the Qi and Blood of the Foot-Yangming Stomach Meridian are abundant, the beard is beautiful and long; when Blood is scanty and Qi is abundant, the beard is short; when Qi is scanty and Blood is abundant, the beard is sparse; when both Qi and Blood are scanty, there is no beard.

It also states: The Chong Mai (Penetrating Vessel) and Ren Mai (Conception Vessel) both originate from the Baozhong (Uterus/Mid-Jiao), serving as the Sea of the Collaterals. They branch off to connect with the mouth. When Qi and Blood are abundant, they fill the skin and warm the flesh; when Blood alone is abundant, it permeates outward, causing lanugo to grow on the skin. Women have excess Qi but deficient Blood due to frequent blood loss; therefore, the Chong and Ren vessels do not nourish the lips and mouth, resulting in no beard growth. Eunuchs who have had their Zongjin (Genitals/Pubic region) removed injure the Chong Mai, leading to blood loss that cannot be restored, internal binding of the skin, and lack of nourishment to the lips and mouth, thus no beard grows. Those known as Tianhuan (Heavenly Eunuchs/Impotent men), characterized by innate failure of Yang Qi to rise and inability to engage in intercourse, have not been physically injured nor lost blood, yet their beards do not grow. Why? It is said: This is a congenital insufficiency; their Ren and Chong vessels are not vigorous, the Zongjin does not form properly, there is Qi but no Blood, and the lips and mouth are not nourished, thus the beard does not grow either. From this, we see that the lips and mouth are not solely related to the Spleen and Stomach.