Ingredient profile
Isobutylparaben
Raters disagreeantimicrobialCAS 4247-02-3
At least one of our safety lists speaks to this ingredient. Also written as ISOBUTYLPARABEN, isobutylparaben, IsobutylParaben.
Raters don't agree. Here's where each one stands
Safe
—
Caution
ANSES Endocrine Disruptors
Government
Concern
Greenlens Ingredient Scan
Independent
Greenlens Precautionary Screen
Independent
Greenlens Tolerance Screen
Independent
Where each list lands
Funding shown- Concern
Greenlens Ingredient Scan
Independent
Listed in Annex II of the EU Cosmetics Regulation (ref 1375) — prohibited as an ingredient in cosmetic products. (EU Cosmetics Regulation Annex II (prohibited))
- Concern
Greenlens Precautionary Screen
Independent
A paraben preservative with endocrine-activity evidence; flagged on hazard grounds. (ChemSec SIN List (Substitute It Now); EU endocrine-disruptor assessment / SCCS opinion)
- Concern
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
BannedProhibited as a cosmetic ingredient in this jurisdiction.
- European Commission · EU Cosmetics Regulation Annex II (prohibited)Listed in Annex II of the EU Cosmetics Regulation (ref 1375) — prohibited as an ingredient in cosmetic products.
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.
Notes
- EU-prohibited
- Endocrine-active
- ANSES endocrine candidate
