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Glycereth-7

Glycereth-7Hydrator

A glycerin-based ingredient that holds water in skin and thickens products.

What it does

It’s glycerin joined to a short PEG chain, which makes it dissolve very easily in water.

The evidence, graded

expert consensusUS safety reviewers (2025) assessed 8 glycerin ethoxylates; their conclusion names glycereth-7 and glycereth-26. They say all 8 are used to condition skin. They judged them safe as used in cosmetics when a product is made to be non-irritating.Akinsulie 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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