Ingredient profile
DIETHANOLAMINE
Raters disagreebufferingCAS 111-42-2
At least one of our safety lists speaks to this ingredient. Also written as diethanolamine, Diethanolamine.
Raters don't agree. Here's where each one stands
Safe
Greenlens Ingredient Scan
Independent
Greenlens Precautionary Screen
Independent
Greenlens Tolerance Screen
Independent
Caution
IARC Monographs
Government
Concern
Health Canada Ingredient Hotlist
Government
California Proposition 65
Government
Where each list lands
Funding shown- Concern
Health Canada Ingredient Hotlist
Government
Diethanolamine, a secondary alkanolamine, is prohibited: it can form carcinogenic nitrosamines in-product. (Health Canada Cosmetic Ingredient Hotlist)
- Concern
California Proposition 65
Government
Diethanolamine, a pH adjuster/emulsifier, is listed as a carcinogen and can form nitrosamines in-product. (California Proposition 65 (OEHHA))
- Caution
IARC Monographs
Also screened — not on these lists
- US NTP Report on Carcinogens
- ANSES Endocrine Disruptors
- EU Microplastics Restriction
- EU Harmonised Classification (CLP Annex VI)
Where regulators stand
Shown side by side, never combinedEach jurisdiction is reported on its own terms, from its own official lists. Where they disagree, that disagreement is the finding. Absence from a list is never a safety claim.
European Union
No listing foundNot on the lists we hold for this jurisdiction. That is an absence of a listing, not a safety finding.
Checked: EU Cosmetics Regulation Annexes II, III, V and VI; CLP Annex VI harmonised classification; ECHA SVHC Candidate List (cosmetics-relevant subset).
Canada
BannedProhibited as a cosmetic ingredient in this jurisdiction.
- Health Canada · Health Canada Cosmetic Ingredient HotlistDiethanolamine, a secondary alkanolamine, is prohibited: it can form carcinogenic nitrosamines in-product.
California
Listed
Notes
- Prop 65-listed
- Health Canada Hotlist — prohibited
- IARC possible carcinogen (Group 2B)
