In Europe of the XVII century people were very sensitive to the color of the face and skin smoothness. Aristocratic pallor was in fashion, which can be achieved, for example, by bloodletting or powder and white using.
These cosmetics were made of mercuric chloride and lead white, which are pretty poisonous to humans. Lead powder perfectly hided all the imperfections and shortcomings of the skin, and created the effect of velvety skin and, in addition, it cost relatively little.
This cosmetic product could cause paralysis, brain tumor and the phasing out of the internal organs.
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