Perfumery
Soaps
Hard soaps are made by boiling oils or fats with a lye of caustic soda. In soft soaps the lye is potash. Resin is used in yellow soaps, as…
Another (Finely powdered charcoal)
Finely powdered charcoal and red Peruvian bark, each 2 oz.; sugar, 1 oz.; oil of spearmint, 8 drops. Charcoal Tooth Paste.
Aromatic Vinegars
In making these the vinegar known as No. 8 may be used. Vinegar of 25 to 30 per cent. is required to dissolve essential oils. Tarragon…