The method of dyeing lead powder
In ancient times, there was a technique of dyeing lead powder. The powder is made of acetic acid. If you want to dye lead powder, first take the amount of acetic acid, melt it with water, and make a dilute liquid.

Wash it, dry it. Wrap the head with a cloth towel, and dew it to be dyed. Dip a comb into the liquid acetic acid, and comb it, so that each piece is soaked. Dyeing it, be careful not to let the liquid mix, in case there is any.

Dyeing it, and wait for it to be engraved. Its color is due to the color, or one, or. Wait for the color to be uniform, and then wash it with water, until the water is colored.

However, this method can make the color stain, and the acetic acid is poisonous, and it is feared that the body will be stained for a long time. Therefore, if you dye it, you should be careful to do it, and you should not seek to dye it often, so as not to cause disease.