Ch
Chlorhexidine Digluconate
Chlorhexidine Digluconate
An antiseptic used in small amounts to keep microbes out of a product.
What it does
It’s the form of chlorhexidine that dissolves in water. Dentists use it against plaque and hospitals to clean skin before surgery.
The EU’s ingredient database lists it as a preservative (holds back germs in the product).European Commission, CosIng (© European Union, CC BY 4.0) · uses put in plain words by Drop ↗
The evidence, graded
expert consensusUS safety reviewers (1993) judged chlorhexidine and its salts safe in cosmetics at up to 0.20% as chlorhexidine digluconate, and in 2011 confirmed they are safe as used. They noted the ongoing concern about allergic reactions to medical devices coated with chlorhexidine, which they consider serious, but found the limits they had set enough to keep its use in cosmetics safe.Andersen 2011 · International Journal of Toxicology ↗
Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
Also known as
chlorhexidine gluconate
Browse all 924 ingredients — grouped by what they do, each with whatever evidence we can cite.
This page is public so a shared ingredient card always has its sources behind it — and so you can check them without an account.
Want more like this?
Every evidence-based flag cites its source, Drop tells you when your routine is complete, and it helps you simplify — instead of selling you more. The app launches on iOS and Android in October 2026. Rate my routine works today at /rate — no sign-in.