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| | Hair Dye - References for Romance Fiction |
 | | Bismuth, lead, copper and two or three other metals, are each capable of darkening the hair by displacing the iron, or, rather, acting as a substitute for it, and are thus employed in some of the fashionable hair-dyes. |
 | | To gradually darken the shade of the hair, on these principles, provided its normal sulphur be still secreted by the hair-bulbs, and be still present in its structure, will, therefore, generally be sufficient to occasionally employ a weak solution of any of the milder salts of iron [As the sulphate, acetate, lactate or protiodide. |
 | | The addition of a very little glycerin is useful, and indeed necessary, when the last salt is employed.] as a hair wash. The menstruum may be water, to which a little spirit, and a few drops of oil of rosemary, to increase its stimulating properties, have been added... |
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