Ingredient profile
A common, well-characterized cosmetic ingredient; none of our lists flag it. Also written as 1,2-butanediol.
Greenlens Ingredient Scan
Independent
No EU-regulated hazard recognized for this ingredient.
Greenlens Precautionary Screen
Independent
No listed hazard trait recognized for this ingredient.
Greenlens Tolerance Screen
Independent
No prohibited or high-risk classification for this ingredient.
Also screened — not on these lists
Each 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.
Not 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).
Not 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.
Not on the lists we hold for this jurisdiction. That is an absence of a listing, not a safety finding.
Checked: OEHHA Proposition 65 list.
Appears on an official list. A listing, not a use ban.