Ingredient profile
At least one of our safety lists speaks to this ingredient. Also written as METHYLCHLOROISOTHIAZ- OLINONE.
Raters don't agree. Here's where each one stands
Greenlens Ingredient Scan
Independent
Greenlens Tolerance Screen
Independent
Greenlens Precautionary Screen
Independent
Health Canada Ingredient Hotlist
Government
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Greenlens Ingredient Scan
Independent
No EU-regulated hazard recognized for this ingredient.
Greenlens Precautionary Screen
Independent
A preservative and potent contact sensitizer, usually paired with methylisothiazolinone. (ChemSec SIN List (Substitute It Now))
Greenlens Tolerance Screen
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).
Allowed only under stated conditions or limits.
Not on the lists we hold for this jurisdiction. That is an absence of a listing, not a safety finding.
Independent
No prohibited or high-risk classification for this ingredient.
Health Canada Ingredient Hotlist
Government
A potent sensitizer permitted only in combination with MI, in rinse-off products at a strict cap. (Health Canada Cosmetic Ingredient Hotlist)
Checked: OEHHA Proposition 65 list.
Appears on an official list. A listing, not a use ban.