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ScienceIsSexy420 t1_iu20orm wrote

In chemistry we call anything with water removed "dry" or "anhydrous". Even organic solvents which don't mix with water will absorb some small amount of water from the atmosphere, so we use little beads called molecular sieves that absorb the water from the solvent, and we store it under a nitrogen atmosphere. This makes the solvent "dry"

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Golvellius t1_iu66mcb wrote

Is it the same concept as dry shampoo?

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ScienceIsSexy420 t1_iu6l25i wrote

Kind of, but not exactly. Dry shampoo doesn't really remove dirt the way dry cleaning does, but rather absorbs the oils giving the appearance of clean hair. But, the dry portion is identical

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