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Reducing agent that alters the structure of hair. It can also be used as a preservative in cosmetic...
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May 22, 2014
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A white crystalline or powdered compound, Na2SO3, used in preserving foods, silvering mirrors, developing photographs, and making dyes. American ...
A soft, light, extremely malleable silver-white element that is an alkali metal, reacts violently with water, is naturally abundant in combined forms, especially in ...