II.—
| (a) | Nitrate of silver (crystal) | 1 1/2 ounces |
|---|---|---|
| Distilled water | 12 ounces | |
| Ammonia water sufficient to make a clear solution. | ||
| Dissolve the nitrate of silver in the water and add the ammonia water until the precipitate is redissolved. | ||
| (b) | Pyrogallic acid | 2 drachms |
| Gallic acid | 2 drachms | |
| Cologne water | 2 ounces | |
| Distilled water | 4 ounces | |
III.—
| Nitrate of silver | 20 grains |
| Sulphate of copper | 2 grains |
| Ammonia, quantity sufficient. | |
Dissolve the salts in 1/2 ounce of water and add ammonia until the precipitate which is formed is redissolved, Then make up to 1 ounce with water. Apply to the hair with a brush. This solution slowly gives a brown shade. For darker shades, apply a second solution, composed of:
| IV.— | Yellow sulphide ammonium | 2 drachms |
|---|---|---|
| Solution of ammonia | 1 drachm | |
| Distilled water | 1 ounce |
Black Hair Dye without Silver.—
| V.— | Pyrogallic acid | 3.5 parts |
|---|---|---|
| Citric acid | 0.3 parts | |
| Boro-glycerine | 11 parts | |
| Water | 100 parts |
If the dye does not impart the desired intensity of color, the amount of pyrogallic acid may be increased. The wash is applied evenings, followed in the morning by a weak ammoniacal wash.
One Bottle Preparation.—