Hy
Hydrated Silica
Hydrated Silica
A mineral powder that soaks up oil, adds bulk and works as a mild scrub.
What it does
It’s silica with water bound into it. It soaks up oil, adds bulk, keeps powders from clumping, thickens and works as a mild scrub.
The evidence, graded
expert consensusUS safety reviewers judged silica and hydrated silica safe as used when the product is made not to irritate, but only the non-crystal forms made synthetically: they treated how the silica is made as decisive. In products they scrub, absorb, keep powders from clumping, add bulk and make formulas opaque.Burnett 2025 · International journal of toxicology ↗
Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
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