What is the powder that preserves tablets/drugs?

What is the nature of the powder that we can find in the cover of tablets or drugs containers? I believe it preserves them, and what can one do with it?

You mean the "do not eat" packet? it’s silica gel.

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One Response to What is the powder that preserves tablets/drugs?

  1. Femdyk says:

    You mean the "do not eat" packet? it’s silica gel.
    References :