How many grams of madder do you put in 3 kilograms of ginger?

How many 0 grams of madder do you put in 3 kilograms of ginger? According to Volume 18 of "The Burning of Medicine Lamps", three kilograms of Radix Rehmanniae and one kilogram of Radix Rubiae were mixed together, put in a bottle and fried with slow fire into a paste. Take half a spoonful in the air every day, and the moustache will be painted in January without ginger. One kilogram of madder and three kilograms of raw land have the effect of blackening moustache and hair, which is mainly used for early whitening of beard.