Ingredient profile
BHT
Raters disagreefragranceantioxidantCAS 128-37-0
At least one of our safety lists speaks to this ingredient. Also written as Bht, bht, bHt.
Raters don't agree. Here's where each one stands
Safe
Greenlens Tolerance Screen
Independent
Caution
Greenlens Ingredient Scan
Independent
ANSES Endocrine Disruptors
Government
Concern
Greenlens Precautionary Screen
Independent
Where each list lands
Funding shown- Caution
Greenlens Ingredient Scan
Independent
Synthetic antioxidants with endocrine-disruption questions at higher exposures. (Common transparency/sensitization concern (not a regulatory ban))
- Concern
Greenlens Precautionary Screen
Independent
A synthetic antioxidant with endocrine-activity questions at higher exposures. (ChemSec SIN List (Substitute It Now))
- Safe
Also screened — not on these lists
- Health Canada Ingredient Hotlist
- California Proposition 65
- US NTP Report on Carcinogens
- IARC Monographs
- 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
No listing foundNot on the lists we hold for this jurisdiction. That is an absence of a listing, not a safety finding.
Checked: Health Canada Cosmetic Ingredient Hotlist.
California
No listing foundNot on the lists we hold for this jurisdiction. That is an absence of a listing, not a safety finding.
Checked: OEHHA Proposition 65 list.
Notes
- Endocrine-active
- ANSES endocrine candidate
- Transparency concern
