Soybean Decoction
[Formula] Heidoudou (Black Soybean), Cujiang (Vinegar) [Usage] Soak black soybeans in vinegar for 24 to 48 hours, then heat and boil them until they are thoroughly cooked and mushy. Filter to remove the dregs and concentrate the liquid over low heat until it forms a thick paste. First, wash the hair and wait for it … Read more