Pe
Pentylene Glycol
Pentylene GlycolHydrator
A light ingredient that conditions skin and also helps preserve the product.
What it does
Its double role is part of why it shows up in products sold as natural or for sensitive skin with fewer preservatives.
The evidence, graded
expert consensusUS safety reviewers judged caprylyl glycol, pentylene glycol and related 1,2-glycols safe at the amounts and in the ways cosmetics use them. Their report says these glycols are mostly used to condition skin and hair and to thicken formulas, and that these two also work as preservatives.Johnson 2012 · International journal of toxicology ↗
Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
Pairs worth knowing
Browse all 1238 ingredients — grouped by what they do, each with whatever evidence we can cite.
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